[go: up one dir, main page]

CN102872883A - Supported non-noble metal oxygen-containing coalbed methane deoxidation catalyst and preparation method and application thereof - Google Patents

Supported non-noble metal oxygen-containing coalbed methane deoxidation catalyst and preparation method and application thereof Download PDF

Info

Publication number
CN102872883A
CN102872883A CN2012103651147A CN201210365114A CN102872883A CN 102872883 A CN102872883 A CN 102872883A CN 2012103651147 A CN2012103651147 A CN 2012103651147A CN 201210365114 A CN201210365114 A CN 201210365114A CN 102872883 A CN102872883 A CN 102872883A
Authority
CN
China
Prior art keywords
catalyst
coal bed
noble metal
bed gas
oxygen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012103651147A
Other languages
Chinese (zh)
Inventor
王建国
吴志伟
朱华青
秦张峰
樊卫斌
董梅
王国富
王辉
张亚刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanxi Institute of Coal Chemistry of CAS
Original Assignee
Shanxi Institute of Coal Chemistry of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanxi Institute of Coal Chemistry of CAS filed Critical Shanxi Institute of Coal Chemistry of CAS
Priority to CN2012103651147A priority Critical patent/CN102872883A/en
Publication of CN102872883A publication Critical patent/CN102872883A/en
Pending legal-status Critical Current

Links

Landscapes

  • Catalysts (AREA)

Abstract

A supported non-noble metal oxygen-containing coalbed methane deoxidation catalyst comprises an active component, an additive, and a carrier; on an oxide basis, the catalyst comprises 0.5-30 wt% of the active component, 2-40 wt% of the additive, and the balance of the carrier. The active component is a composite oxide of Cu and Fe, and the weight ratio of CuO/Fe2O3 of the composite oxide of Cu and Fe is 1:1-10. The catalyst of the invention has the advantages of high catalytic activity, high stability, high mechanical strength, low price, and suitability for fluidized bed deoxidation process.

Description

Supported non-noble metal oxygen-containing coal bed gas deoxidation catalyst and method for making thereof and application
Technical field
The invention belongs to a kind of Catalysts and its preparation method and application, be specifically related to a kind of supported non-noble metal oxygen-containing coal bed gas deoxidation catalyst and preparation method thereof and application.
Background technology
Coal bed gas has another name called gas, is the natural fuel gas of certainly storage formula in the ature of coal stratum.China's coal bed gas resource is abundant, occupies the third place in the world, and national shallow-layer coal bed gas resource amount is 36.8 tcms, and calorific value is equivalent to 52,000,000,000 tons of standard coals.In the situation that the current energy is becoming tight day by day, coal bed gas can be used for generating, heating, resident living and vehicle fuel etc. as a kind of high-quality and efficient clean energy resource, and it utilizes economic worth huge on a large scale.
Coalbed methane containing oxygen is the important component part of coal bed gas resource, it mainly refers to the coal bed gas that extracts in the progress of coal mining from coal body and country rock, this coal bed gas causes the coal bed gas dilution owing to sneak into large quantity of air, is called coalbed methane containing oxygen or mixed empty coal bed gas, its CH 4Content is lower, and concentration is 20~60 vol.%, contains simultaneously N 2, O 2, CO, CO 2, SO 2And NO xEtc. foreign gas.China every year amounts to more than pure methane 200 billion cubic meters because of the coalbed methane containing oxygen that discharges in the atmosphere of mining, and has caused the great wasting of resources.Develop this part coalbed methane containing oxygen resource, for adjusting China's energy resource structure, form coal bed gas novel energy industry, improve the Safety of Coal Mine Production condition, reducing gas accident and greenhouse gas emission, tool is of great significance.
Methane concentration in coalbed methane containing oxygen reaches 5~15 vol.%, oxygen concentration surpasses 12 vol.%, chance naked light or high temperature heat source are very easily blasted, and therefore fail or separate in the concentration process at pipe to have certain danger, have greatly restricted the recycling of coalbed methane containing oxygen.Therefore want safety, effectively realize that one of problem that the recovery of coalbed methane containing oxygen and utilizing at first will solve is exactly the oxygen that how to remove efficiently in the coalbed methane containing oxygen.
The coal bed gas deoxidation technology of report mainly contains physics and chemistry two class separation methods both at home and abroad at present.Physical method can be divided into pressure swing adsorption method, membrane separation process, low temperature processing; Chemical analysis method has reducing process, firing method, Production by Catalytic Combustion Process.Wherein the most direct, safest method is Production by Catalytic Combustion Process.Production by Catalytic Combustion Process refers to sacrifice a part of methane under catalyst action, allows itself and oxygen reaction generate carbon dioxide and water, reaches the deoxygenation purpose.
The essence of catalytic combustion technique is CH under the rich combustion oxygen-lean atmosphere 4Catalytic combustion, the key reaction of this process is:
CH 4 (g) + 2O 2 (g) = CO 2 (g) + 2H 2O (g) - 802.32 kJ/mol (1-1)
Except above key reaction, at a certain temperature, following side reaction and some association reactions etc. may occur also.
Side reaction may have:
CH 4+0.5O 2=CO+2H 2 (1-2)
CH 4=C+2H 2 (1-3)
CH 4+H 2O=CO+3H 2 (1-4)
CH 4+CO 2=2CO+2H 2 (1-5)
The association reaction may have:
CO+0.5O 2=CO 2 (1-6)
CO+H 2O=CO 2+H 2 (1-7)
This shows that the coal bed gas deoxidation reaction is comparatively complicated, and emit a large amount of heat in the course of reaction.Therefore oxygen removes catalyst is proposed higher requirement in the coalbed methane containing oxygen.
Main catalytic combustion dehydrogenation catalyst can be divided into following a few class at present:
In ZL02113628.9 " the methanol catalytic combustion deoxidization process of coal mine mash gas ", and the noble metals such as CN101664679A " a kind of coal bed gas deoxidation catalyst, its preparation method and application " employed Pt and Pd have the catalytic activity height, reaction temperature is low, oxygen after the deoxidation in the gas can eliminate substantially, technique is simple, the advantages such as side reaction is few, and initiation temperature is low.Weak point is that catalyst is expensive, and is responsive to the toxic gases such as hydrogen sulfide in the coal bed gas simultaneously, the easy inactivation of catalyst, and the while noble metal is easy sintering at high temperature, and high-temperature resistance is relatively poor.It is catalyst based that the southwest CN101139239A of chemical research institute " a kind of oxygen-containing coal bed gas deoxidation catalyst and preparation method thereof and application " discloses the strong Co of a kind of anti-sulphur ability, have the characteristics such as anti-sulphur ability is strong, but its reaction temperature is higher, air speed is less, and can only process the less coal bed gas of oxygen content, have larger limitation.
The deoxidation of coalbed methane containing oxygen catalytic combustion not only proposes higher requirement to catalyst, simultaneously, also reaction process is proposed baptism.Methyl hydride combustion is strong exothermal reaction, the oxygen of every consumption 1 vol.%, and about 90~100 ℃ of the caused bed adiabatic temperature rise of reaction heat, as remove the oxygen of 15 vol.%, the gas adiabatic temperature rise will be above 1000 oC must mix a deoxidation gas circulation part with the raw material coal bed gas, regulate and enter the oxygen content of gas reactor, thereby reach the purpose (CN 101613627A) of controlling reaction temperature.The coal bed gas catalytic deoxidation process all adopts bed technology at present.The fixed bed reactors technological design is ripe, and is simple to operate, but its heat transfer efficiency is low, and the oxygen concentration of reactor inlet gas must be controlled at about 3 vol.%, and circulation dilution tolerance reaches 3 ~ 5 times of material gas quantity, and the process energy consumption is high; The beds temperature difference is large, the poor selectivity of reaction; Easy local temperature runaway causes catalysqt deactivation, even sintering; Bed pressure drop is high, and it is little to cross bed gas gas speed, and disposal ability is low.
Fluid bed has the heat transfer efficiency height, fluidized particles can easily add or take out, process the advantages such as gas flow is large, is specially adapted to the coal bed gas deoxidation reaction of strong heat release.Fluid bed internal combustion liberated heat also shifts out with the form of steam easily simultaneously, is used for generating, heating, reaches the greenization recycling, reduces energy loss.
For the technological requirement of fluid bed, catalyst should possess following characteristics: (1) high catalytic activity, can realize CH at 400-750 ℃ 4Conversion; (2) high stability has higher stability to impurity compositions such as water, carbon dioxide, sulfide, itrated compounds; (3) high mechanical properties reaches the fluidized bed applications requirement; (4) the particle particle will between 10-1500 μ m, be convenient to fluid bed and keep preferably fluidized state; (5) catalyst is regenerated easily; (6) low price, raw material sources are extensive, are convenient to a large amount of manufactures etc.
Summary of the invention
The purpose of this invention is to provide a kind of high catalytic activity, high stability, high mechanical properties, supported non-noble metal oxygen-containing coal bed gas deoxidation catalyst of low-cost suitable fluid bed deoxidization technique and preparation method thereof and application.
Catalyst of the present invention is comprised of active component, auxiliary agent and carrier, and in oxide, the weight percentage of active component is 0.5-30 wt%, and the content of auxiliary agent is 2-40 wt%, and all the other are carrier;
Described active component is the composite oxides of Cu and Fe, auxiliary agent is one or more in Mg, Mn, Mo, Ti, Ce, Zr, the Ca oxide, described carrier is aluminum oxide micro-sphere, molecular sieve microballoon or silicon dioxide microsphere, and the particle size range of carrier microballoons is 10-1500 μ m.
Aforesaid aluminum oxide micro-sphere carrier is alpha-aluminium oxide microballoon or gamma-alumina microballoon.
The CuO/Fe of aforesaid copper iron compound oxide 2O 3Weight ratio be between the 1:1-10.
The preparation method of catalyst of the present invention is equi-volume impregnating, the steps include:
(1) with the soluble-salt of the soluble-salt of active component and auxiliary agent by being mixed with the aqueous solution;
(2) carrier microballoons is slowly immersed in the aqueous solution of step (1), dipping is 12-48 hour under the normal temperature, 110-120 oDry 4-6 hour of C, 400-700 oC roasting 4-8 hour makes dehydrogenation catalyst.
The soluble-salt of described Cu active component is copper sulphate, Schweinfurt green or copper nitrate; The soluble-salt of Fe active component is any one or two kinds in ferric nitrate, ferrous nitrate, ferric oxalate, frerrous chloride, the ferrous sulfate.
The soluble-salt of described auxiliary agent is one or more of the solubility nitrate of Mg, Mn, Mo, Ce, Zr, Ca or Ti, Ca, Zr chloride salt.
Catalyst of the present invention be applicable to coalbed methane containing oxygen fluid bed deoxidization technique, the oxygen content of coalbed methane containing oxygen is in 4-14 vol.%(volume ratio) in the scope, the unstripped gas air speed is 1000-30000 h -1, the temperature of catalyst deoxygenation is between 400-750 oC, pressure are under the condition of normal pressure, and oxygen outlet concentration of the present invention is less than 0.5 vol.%.
The present invention compared with prior art, dehydrogenation catalyst of the present invention has following substantive distinguishing features:
(1) compare with noble metal, catalyst of the present invention has selective height, and anti-sulphur is good, and is cheap, is easy to the advantages such as production.
(2) this catalyst has higher wear-resisting mechanical strength (wear rate is lower than 15 wt% in the 1000h) and less particle size (10-1500 μ m), have long life cycle and preferably mass transfer, heat-transfer capability, be specially adapted to coalbed methane containing oxygen fluid bed deoxidization technique.This catalyst has reaction temperature window wide (400-750 ℃) simultaneously, and heat-resisting ability is strong, the advantages such as long service life.It is large to have the gas treatment amount after the fluid bed deoxidization technique is combined, and it is hot good to move, the advantages such as processing ease.
The specific embodiment
The present invention is further elaborated below in conjunction with some specific embodiment.But this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following embodiment, the content of each component is weight percentage in the embodiments of the invention.
Embodiment 1
The oxygen-containing coal bed gas deoxidation catalyst of present embodiment is comprised of the active component of 2 wt%, the auxiliary agent of 20 wt% and the carrier of 78 wt%, and active component is comprised of the Cu-Fe composite oxides, and Cu is by CuO, and Fe presses Fe 2O 3Meter, CuO and Fe 2O 3Mass ratio be 1:1, the raw materials Cu (NO of copper 3) 23H 2O, the raw materials of iron are Fe (NO 3) 39H 2O, the raw materials of auxiliary agent is the manganese nitrate solution that is equivalent to 10 wt% manganese dioxide, is equivalent to the magnesian Mg (NO of 2 wt% 3) 26H 2O, and be equivalent to the Zr (NO of 8 wt% zirconium dioxides 3) 45H 2O.Carrier is the gamma-alumina microballoon of 78 wt%, particle size range 100-500 μ m.
The oxygen-containing coal bed gas deoxidation catalyst preparation method of present embodiment is:
(1) with the Cu (NO of 3.04g 3) 23H 2Fe (the NO of O, 5.06g 3) 39H 2O, 41.17g contain the solution of manganese nitrate 50 wt%, the Mg (NO of 12.72g 3) 26H 2Zr (the NO of O and 27.87g 3) 45H 2O is dissolved in the 100g water, is made into the aqueous solution under constantly stirring;
(2) with in the aqueous solution in the 78g gamma-alumina microballoon immersion step (1), stir 1h; Room temperature volumetric dipping 24h; Then 110 oThe dry 4h of C, 600 oC roasting 6h makes dehydrogenation catalyst, and catalyst weight percentage consists of: CuO 0.01(Fe 2O 3) 0.01MgO 0.02(MnO 2) 0.10(ZrO 2) 0.08(γ-Al 2O 3) 0.78
The catalyst of present embodiment preparation reacts in the normal pressure fluidized bed reactor, and reaction condition and Evaluation results see Table 1.
Embodiment 2
The oxygen-containing coal bed gas deoxidation catalyst of present embodiment is comprised of the active component of 5 wt%, the auxiliary agent of 25 wt% and the carrier of 70 wt%, and active component is comprised of the Cu-Fe composite oxides, and Cu is by CuO, and Fe presses Fe 2O 3Meter, CuO and Fe 2O 3Mass ratio be 1:4, the raw materials Cu (NO of copper 3) 23H 2O, the raw materials of iron are FeSO 47H 2O, the raw materials of coagent is the manganese nitrate solution that is equivalent to 10 wt% manganese dioxide, is equivalent to the Ce (NO of 10 wt% cerias 3) 36H 2O, and be equivalent to the TiCl of 5 wt% titanium dioxide 4Carrier is the gamma-alumina microballoon of 70 wt%, particle size range 100-500 μ m.
The oxygen-containing coal bed gas deoxidation catalyst preparation method of present embodiment is:
(1) with the Cu (NO of 3.04g 3) 23H 2The FeSO of O, 13.90g 47H 2O, 41.17g contain the solution of manganese nitrate 50 wt%, the Ce (NO of 25.25g 3) 36H 2O is dissolved in the 90g water, is made into the aqueous solution, then is cooled to 5 oBelow the C, dropwise add 11.87g TiCl 4Solution must keep water temperature to be lower than 5 in whole dropping process oC in order to keep titanium tetrachloride not to be hydrolyzed, then constantly stirs and forms the uniform aqueous solution;
(2) with in the aqueous solution in the 70g gamma-alumina microballoon immersion step (1), stir 1 h; The room temperature volumetric floods 36 h; Then 115 oThe dry 4h of C, 700 oC roasting 4 h make dehydrogenation catalyst, and catalyst weight percentage consists of: CuO 0.01(Fe 2O 3) 0.04(MnO 2) 0.10(CeO 2) 0.10(TiO 2) 0.05(γ-Al 2O 3) 0.70
The catalyst of present embodiment preparation reacts in the normal pressure fluidized bed reactor, and reaction condition and Evaluation results see Table 1.
Embodiment 3
The oxygen-containing coal bed gas deoxidation catalyst of present embodiment is comprised of the active component of 10 wt%, the auxiliary agent of 20 wt% and the carrier of 70 wt%, and active component is comprised of the Cu-Fe composite oxides, and Cu is by CuO, and Fe presses Fe 2O 3Meter, CuO and Fe 2O 3Mass ratio be 3:7, the raw materials CuSO of copper 45H 2O, the raw materials of iron are FeSO 47H 2O, the raw materials of coagent are the Zr (NO that is equivalent to 10 wt% zirconium dioxides 3) 45H 2O and the TiCl that is equivalent to 10 wt% titanium dioxide 4Carrier is the gamma-alumina microballoon of 70 wt%, particle size range 100-500 μ m.
The oxygen-containing coal bed gas deoxidation catalyst preparation method of present embodiment is:
(1) with the CuSO of 9.42g 45H 2The FeSO of O, 24.32g 47H 2O, the Zr (NO of 34.84g 3) 45H 2O is dissolved in the 90g water, is made into the aqueous solution, then is cooled to 5 oBelow the C, dropwise add 23.74g TiCl 4Solution must keep water temperature to be lower than 5 in whole dropping process oC in order to keep titanium tetrachloride not to be hydrolyzed, then constantly stirs and forms the uniform aqueous solution;
(2) with in the aqueous solution in the 70g gamma-alumina microballoon immersion step (1), stir 1h; Room temperature volumetric dipping 36h; Then 110 ℃ of dry 4h, 700 ℃ of roasting 6h make dehydrogenation catalyst, and percentage by weight consists of: Catalysts Cu O 0.03(Fe 2O 3) 0.07(ZrO 2) 0.10(TiO 2) 0.10(γ-Al 2O 3) 0.70
The catalyst of present embodiment preparation reacts in the normal pressure fluidized bed reactor, and reaction condition and Evaluation results see Table 1.
Embodiment 4
The oxygen-containing coal bed gas deoxidation catalyst of present embodiment is comprised of the active component of 10 wt%, the auxiliary agent of 20 wt% and the carrier of 70 wt%, and active component is comprised of the Cu-Fe composite oxides, and Cu is by CuO, and Fe presses Fe 2O 3Meter, CuO and Fe 2O 3Mass ratio be 5:5, the raw materials Cu (NO of copper 3) 23H 2O, the raw materials of iron are Fe (NO 3) 39H 2O, the raw materials of coagent are the Ce (NO that is equivalent to 10 wt% cerias 3) 36H 2O and the Zr (NO that is equivalent to 10 wt% zirconium dioxides 3) 45H 2O.Carrier is the gamma-alumina microballoon of 70 wt%, particle size range 100-500 μ m.
The oxygen-containing coal bed gas deoxidation catalyst preparation method of present embodiment is:
(1) with the Cu (NO of 15.20g 3) 23H 2Fe (the NO of O, 25.25g 3) 39H 2O, the Ce (NO of 25.25g 3) 36H 2Zr (the NO of O and 34.84g 3) 45H 2O is dissolved in the 90g water, constantly stirs to form the uniform aqueous solution;
(2) with in the aqueous solution in the 70g gamma-alumina microballoon immersion step (1), stir 1h; Room temperature volumetric dipping 36h; Then 115 ℃ of dry 4h, 500 ℃ of roasting 6h make dehydrogenation catalyst, and catalyst weight percentage consists of: CuO 0.05(Fe 2O 3) 0.05(CeO 2) 0.10(ZrO 2) 0.10(γ-Al 2O 3) 0.70
The catalyst of present embodiment preparation reacts in the normal pressure fluidized bed reactor, and reaction condition and Evaluation results see Table 1.
Embodiment 5
The oxygen-containing coal bed gas deoxidation catalyst of present embodiment is comprised of the active component of 8 wt%, the auxiliary agent of 22 wt% and the carrier of 70 wt%, and active component is comprised of the Cu-Fe composite oxides, and Cu is by CuO, and Fe presses Fe 2O 3Meter, CuO and Fe 2O 3Mass ratio be 2:6, the raw materials Cu (NO of copper 3) 23H 2O, the raw materials of iron are Fe (NO 3) 39H 2O, the raw materials of coagent are the Ce (NO that is equivalent to 10 wt% cerias 3) 36H 2O is equivalent to the Zr (NO of 10 wt% zirconium dioxides 3) 45H 2O and the Ca (NO that is equivalent to the calcium oxide of 2 wt% 3) 24H 2O.Carrier is the silicon dioxide microsphere of 70 wt%, particle size range 200-1000 μ m.
The oxygen-containing coal bed gas deoxidation catalyst preparation method of present embodiment is:
(1) with the Cu (NO of 6.08g 3) 23H 2Fe (the NO of O, 30.36g 3) 39H 2O, the Ce (NO of 25.25g 3) 36H 2O, the Zr (NO of 34.84g 3) 45H 2O and 8.44g Ca (NO 3) 24H 2O is dissolved in the 100g water, constantly stirs to form the uniform aqueous solution;
(2) with in the aqueous solution in the 70g silicon dioxide microsphere immersion step (1), stir 2h; Room temperature volumetric dipping 18h; Then 110 oThe dry 4h of C, 600 oC roasting 6h makes dehydrogenation catalyst, and catalyst weight percentage consists of: CuO 0.02(Fe 2O 3) 0.06CaO 0.02(CeO 2) 0.10(ZrO 2) 0.10(SiO 2) 0.70
The catalyst of present embodiment preparation reacts in the normal pressure fluidized bed reactor, and reaction condition and Evaluation results see Table 1.
Embodiment 6
The oxygen-containing coal bed gas deoxidation catalyst of present embodiment is comprised of the active component of 4 wt%, the auxiliary agent of 20 wt% and the carrier of 76 wt%, and active component is comprised of the Cu-Fe composite oxides, and Cu is by CuO, and Fe presses Fe 2O 3Meter, CuO and Fe 2O 3Mass ratio be 2:2, the raw materials Cu (NO of copper 3) 23H 2O, the raw materials of iron are Fe (NO 3) 39H 2O, the raw materials of coagent is the manganese nitrate solution that is equivalent to 10 wt% manganese dioxide, is equivalent to the magnesian Mg (NO of 2 wt% 3) 26H 2O, and be equivalent to the Zr (NO of 8 wt% zirconium dioxides 3) 45H 2O.Carrier is the silicon dioxide microsphere of 76 wt%, particle size range 100-800 μ m.
The oxygen-containing coal bed gas deoxidation catalyst preparation method of present embodiment is:
(1) with the Cu (NO of 6.08g 3) 23H 2Fe (the NO of O, 10.12g 3) 39H 2O, 41.17g contain the solution of manganese nitrate 50%, the Mg (NO of 12.72g 3) 26H 2Zr (the NO of O and 27.87g 3) 45H 2O is dissolved in the 100g water, is made into the aqueous solution under constantly stirring;
(2) with in the aqueous solution in the 76g silicon dioxide microsphere immersion step (1), stir 2h; Room temperature volumetric dipping 24h; Then 120 oThe dry 4h of C, 650 oC roasting 6h makes dehydrogenation catalyst, and catalyst weight percentage consists of: CuO 0.02(Fe 2O 3) 0.02MgO 0.02(MnO 2) 0.10(ZrO 2) 0.08(SiO 2) 0.76
The catalyst of present embodiment preparation reacts in the normal pressure fluidized bed reactor, and reaction condition and Evaluation results see Table 1.
Embodiment 7
The oxygen-containing coal bed gas deoxidation catalyst of present embodiment is comprised of the active component of 3 wt%, the auxiliary agent of 22 wt% and the carrier of 75 wt%, and active component is comprised of the Cu-Fe composite oxides, and Cu is by CuO, and Fe presses Fe 2O 3Meter, CuO and Fe 2O 3Mass ratio be 1:2, the raw materials Cu (NO of copper 3) 23H 2O, the raw materials of iron are FeSO 47H 2O, the raw materials of coagent are the Ce (NO that is equivalent to 10 wt% cerias 3) 36H 2O is equivalent to the TiCl of 10 wt% titanium dioxide 4(NH with the molybdenum dioxide that is equivalent to 2 wt% 4) 2Mo 2O 7Carrier is the silicon dioxide microsphere of 75 wt%, particle size range 50-600 μ m.
The oxygen-containing coal bed gas deoxidation catalyst preparation method of present embodiment is:
(1) with the Cu (NO of 3.04g 3) 23H 2The FeSO of O, 6.85g 47H 2Ce (the NO of O, 25.25g 3) 36H 2(the NH of O and 2.66g 4) 2Mo 2O 7Be dissolved in the 100g water, be made into the aqueous solution, then be cooled to below 5 ℃, dropwise add the TiCl of 23.74g 4Solution must keep water temperature to be lower than 5 ℃ in whole dropping process, in order to keep titanium tetrachloride not to be hydrolyzed; Constantly stir and form the uniform aqueous solution;
(2) with in the aqueous solution in the 75g silicon dioxide microsphere immersion step (1), stir 2h; Room temperature volumetric dipping 24h; Then 110 ℃ of dry 4h, 600 ℃ of roasting 4h make dehydrogenation catalyst, and catalyst weight percentage consists of: CuO 0.01(Fe 2O 3) 0.02(MoO 2) 0.02(CeO 2) 0.10(TiO 2) 0.08(SiO 2) 0.75
The catalyst of present embodiment preparation reacts in the normal pressure fluidized bed reactor, and reaction condition and Evaluation results see Table 1.
Embodiment 8
The oxygen-containing coal bed gas deoxidation catalyst of present embodiment is comprised of the active component of 4 wt%, the auxiliary agent of 20 wt% and the carrier of 76 wt%, and active component is comprised of the Cu-Fe composite oxides, and Cu is by CuO, and Fe presses Fe 2O 3Meter, CuO and Fe 2O 3Mass ratio be 2:2, the raw materials Cu (NO of copper 3) 23H 2O, the raw materials of iron are Fe (NO 3) 39H 2O, the raw materials of coagent are the Ce (NO that is equivalent to 10 wt% cerias 3) 36H 2O and the Zr (NO that is equivalent to 10 wt% zirconium dioxides 3) 45H 2O.Carrier is the alpha-aluminium oxide microballoon of 76 wt%, particle size range 100-1000 μ m.
The oxygen-containing coal bed gas deoxidation catalyst preparation method of present embodiment is:
(1) with the Cu (NO of 6.08g 3) 23H 2Fe (the NO of O, 10.10g 3) 39H 2O, the Ce (NO of 25.25g 3) 36H 2Zr (the NO of O and 34.84g 3) 45H 2O is dissolved in the 90g water, constantly stirs to form the uniform aqueous solution;
(3) with in the aqueous solution in the 76g alpha-aluminium oxide microballoon immersion step (1), stir 1h; Room temperature volumetric dipping 48h; Then 110 ℃ of dry 6h, 700 ℃ of roasting 6h make dehydrogenation catalyst.Catalyst weight percentage consists of: CuO 0.02(Fe 2O 3) 0.02(CeO 2) 0.10(ZrO 2) 0.10(α-Al 2O 3) 0.76
The catalyst of present embodiment preparation reacts in the normal pressure fluidized bed reactor, and reaction condition and Evaluation results see Table 1.
Embodiment 9
The oxygen-containing coal bed gas deoxidation catalyst of present embodiment is comprised of the active component of 11 wt%, the auxiliary agent of 20 wt% and the carrier of 69 wt%, and active component is comprised of the Cu-Fe composite oxides, and Cu is by CuO, and Fe presses Fe 2O 3Meter, CuO and Fe 2O 3Mass ratio be 1:10, the raw materials Cu (NO of copper 3) 23H 2O, the raw materials of iron are Fe (NO 3) 39H 2O, the raw materials of coagent are the Ce (NO that is equivalent to 10 wt% cerias 3) 36H 2O and the Zr (NO that is equivalent to 10 wt% zirconium dioxides 3) 45H 2O.Carrier is the silicon dioxide microsphere of 69 wt%, particle size range 200-1000 μ m.
The oxygen-containing coal bed gas deoxidation catalyst preparation method of present embodiment is:
(1) with the Cu (NO of 3.04g 3) 23H 2Fe (the NO of O, 50.50g 3) 39H 2O, the Ce (NO of 25.25g 3) 36H 2Zr (the NO of O and 34.84g 3) 45H 2O is dissolved in the 90g water, constantly stirs to form the uniform aqueous solution;
(2) with in the aqueous solution in the 69g silicon dioxide microsphere immersion step (1), stir 1h; Room temperature volumetric dipping 48h; Then 115 ℃ of dry 6h, 600 ℃ of roasting 6h make catalyst, and catalyst weight percentage consists of: CuO 0.01(Fe 2O 3) 0.10(CeO 2) 0.10(ZrO 2) 0.10(SiO 2) 0.69
The catalyst of present embodiment preparation reacts in the normal pressure fluidized bed reactor, and reaction condition and Evaluation results see Table 1.
Table 1 catalyst fluidized bed activity rating result
Figure 2012103651147100002DEST_PATH_IMAGE001
Remarks: the unstripped gas oxygen content is 4-14 vol.%(volume ratio), methane content 30-80 vol.%, all the other are nitrogen, the fluid bed evaluation

Claims (9)

1. supported non-noble metal oxygen-containing coal bed gas deoxidation catalyst, it is characterized in that catalyst is comprised of active component, auxiliary agent and carrier, in oxide, the weight percentage of active component is 0.5-30 wt%, the content of auxiliary agent is 2-40 wt%, and all the other are carrier.
2. a kind of supported non-noble metal oxygen-containing coal bed gas deoxidation catalyst as claimed in claim 1 is characterized in that described active component is the composite oxides of Cu and Fe, the CuO/Fe of copper iron compound oxide 2O 3Weight ratio be between the 1:1-10.
3. a kind of supported non-noble metal oxygen-containing coal bed gas deoxidation catalyst as claimed in claim 1 is characterized in that auxiliary agent is one or more in Mg, Mn, Mo, Ti, Ce, Zr, the Ca oxide.
4. a kind of supported non-noble metal oxygen-containing coal bed gas deoxidation catalyst as claimed in claim 1 is characterized in that described carrier is aluminum oxide micro-sphere, molecular sieve microballoon or silicon dioxide microsphere, and the particle size range of carrier microballoons is 10-1500 μ m.
5. a kind of supported non-noble metal oxygen-containing coal bed gas deoxidation catalyst as claimed in claim 1 is characterized in that described aluminum oxide micro-sphere carrier is alpha-aluminium oxide microballoon or gamma-alumina microballoon.
6. such as the preparation method of each described a kind of supported non-noble metal oxygen-containing coal bed gas deoxidation catalyst of claim 1-5, it is characterized in that equi-volume impregnating, the steps include:
(1) soluble-salt of active component and the soluble-salt of auxiliary agent are mixed with the aqueous solution by the catalyst composition;
(2) the carrier microballoons equal-volume slowly is impregnated in the aqueous solution of step (1), dipping is 12-48 hour under the normal temperature, 110-120 oDry 4-6 hour of C, 400-700 oC roasting 4-8 hour makes dehydrogenation catalyst.
7. the preparation method of a kind of supported non-noble metal oxygen-containing coal bed gas deoxidation catalyst as claimed in claim 6, the soluble-salt that it is characterized in that described Cu active component is copper sulphate, Schweinfurt green or copper nitrate; The soluble-salt of Fe active component is any one or two kinds in ferric nitrate, ferrous nitrate, ferric oxalate, frerrous chloride, the ferrous sulfate.
8. the preparation method of a kind of supported non-noble metal oxygen-containing coal bed gas deoxidation catalyst as claimed in claim 6, the soluble-salt that it is characterized in that described auxiliary agent is one or more of the solubility nitrate of Mg, Mn, Mo, Ce, Zr, Ca or Ti, Ca, Zr chloride salt.
9. such as the application of each described a kind of supported non-noble metal oxygen-containing coal bed gas deoxidation catalyst of claim 1-5, it is characterized in that for coalbed methane containing oxygen fluid bed deoxidization technique, the oxygen content of coalbed methane containing oxygen is in 4-14 vol.% scope, and the unstripped gas air speed is 1000-30000 h -1, the temperature of catalyst deoxygenation is between 400-750 oC, pressure are under the condition of normal pressure.
CN2012103651147A 2012-09-26 2012-09-26 Supported non-noble metal oxygen-containing coalbed methane deoxidation catalyst and preparation method and application thereof Pending CN102872883A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012103651147A CN102872883A (en) 2012-09-26 2012-09-26 Supported non-noble metal oxygen-containing coalbed methane deoxidation catalyst and preparation method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012103651147A CN102872883A (en) 2012-09-26 2012-09-26 Supported non-noble metal oxygen-containing coalbed methane deoxidation catalyst and preparation method and application thereof

Publications (1)

Publication Number Publication Date
CN102872883A true CN102872883A (en) 2013-01-16

Family

ID=47474528

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012103651147A Pending CN102872883A (en) 2012-09-26 2012-09-26 Supported non-noble metal oxygen-containing coalbed methane deoxidation catalyst and preparation method and application thereof

Country Status (1)

Country Link
CN (1) CN102872883A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103432896A (en) * 2013-08-23 2013-12-11 西南化工研究设计院有限公司 Cleaning agent for removing impurity oxygen in reducing gases including synthesis gas and the like as well as preparation method and application of cleaning agent
CN103599792A (en) * 2013-11-15 2014-02-26 四川大学 Preparation method and application of catalyst for removing oxygen in oxygen-containing gas by using methanol
CN105107508A (en) * 2015-07-21 2015-12-02 华烁科技股份有限公司 Coalbed methane sulfur-tolerant deoxidizing monolithic catalyst and preparation method thereof
CN106378186A (en) * 2016-10-26 2017-02-08 南京碳环生物质科技有限公司 Preparation method of non-noble-metal biogas deoxidation catalyst
CN108928803A (en) * 2017-05-27 2018-12-04 中国石油化工股份有限公司 A kind of method of chloration hydro-oxidation production chlorine
CN109772440A (en) * 2017-11-14 2019-05-21 中国石油化工股份有限公司 A kind of coal gas layer catalyst for catalytic combustion and preparation method thereof
CN109772441A (en) * 2017-11-14 2019-05-21 中国石油化工股份有限公司 A kind of catalyst of core-shell structure and its preparation method and application
CN116116409A (en) * 2023-01-12 2023-05-16 北京市飞达捷能气体分离技术有限公司 A combustion type gas deoxidation catalyst and its preparation method
CN119281315A (en) * 2024-12-12 2025-01-10 上海化工研究院有限公司 A CO2 catalytic conversion catalyst and its preparation method and application

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1050862A (en) * 1989-09-19 1991-04-24 联合碳化化学品及塑料有限公司 Oxidative coupling is produced the method for height ratio ethylene ratio ethane hydrocarbon
CN1623658A (en) * 2003-12-04 2005-06-08 中国科学院兰州化学物理研究所 Methane catalytic combustion solid solution catalyst and preparation method thereof
CN101301611A (en) * 2008-07-07 2008-11-12 西南化工研究设计院 Sulfur-tolerance deoxidation catalyst and preparation and use thereof
CN101322942A (en) * 2008-07-29 2008-12-17 西南化工研究设计院 Oxygen-containing coal bed gas deoxidation catalyst and preparation thereof as well as applications
CN101664679A (en) * 2009-11-17 2010-03-10 中国科学院大连化学物理研究所 Coal bed gas deoxidation catalyst as well as preparation method and application thereof
CN101912783A (en) * 2010-08-31 2010-12-15 西南化工研究设计院 Catalyst for combustion of ventilation air methane and preparation method thereof
CN101947457A (en) * 2010-08-31 2011-01-19 西南化工研究设计院 Ventilation air methane combustion catalyst and preparation method thereof
CN102266768A (en) * 2010-07-29 2011-12-07 西南化工研究设计院 Catalyst with functions of methane catalytic combustion and conversion, and preparation method thereof
CN102302931A (en) * 2011-07-11 2012-01-04 大连瑞克科技有限公司 Catalytic combustion deoxidation catalyst for oxygen-containing methane mixed gas, as well as preparation method and application thereof
CN102553585A (en) * 2011-12-23 2012-07-11 新地能源工程技术有限公司 Sulfur-tolerant catalyst for gas deoxidation as well as preparation method and application thereof

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1050862A (en) * 1989-09-19 1991-04-24 联合碳化化学品及塑料有限公司 Oxidative coupling is produced the method for height ratio ethylene ratio ethane hydrocarbon
CN1623658A (en) * 2003-12-04 2005-06-08 中国科学院兰州化学物理研究所 Methane catalytic combustion solid solution catalyst and preparation method thereof
CN101301611A (en) * 2008-07-07 2008-11-12 西南化工研究设计院 Sulfur-tolerance deoxidation catalyst and preparation and use thereof
CN101322942A (en) * 2008-07-29 2008-12-17 西南化工研究设计院 Oxygen-containing coal bed gas deoxidation catalyst and preparation thereof as well as applications
CN101664679A (en) * 2009-11-17 2010-03-10 中国科学院大连化学物理研究所 Coal bed gas deoxidation catalyst as well as preparation method and application thereof
CN102266768A (en) * 2010-07-29 2011-12-07 西南化工研究设计院 Catalyst with functions of methane catalytic combustion and conversion, and preparation method thereof
CN101912783A (en) * 2010-08-31 2010-12-15 西南化工研究设计院 Catalyst for combustion of ventilation air methane and preparation method thereof
CN101947457A (en) * 2010-08-31 2011-01-19 西南化工研究设计院 Ventilation air methane combustion catalyst and preparation method thereof
CN102302931A (en) * 2011-07-11 2012-01-04 大连瑞克科技有限公司 Catalytic combustion deoxidation catalyst for oxygen-containing methane mixed gas, as well as preparation method and application thereof
CN102553585A (en) * 2011-12-23 2012-07-11 新地能源工程技术有限公司 Sulfur-tolerant catalyst for gas deoxidation as well as preparation method and application thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
储伟主编: "《催化剂工程》", 30 September 2006, article "浸渍法" *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103432896A (en) * 2013-08-23 2013-12-11 西南化工研究设计院有限公司 Cleaning agent for removing impurity oxygen in reducing gases including synthesis gas and the like as well as preparation method and application of cleaning agent
CN103432896B (en) * 2013-08-23 2015-09-09 西南化工研究设计院有限公司 A kind of cleanser and Synthesis and applications thereof removing impurity oxygen in the reducibility gas such as synthesis gas
CN103599792A (en) * 2013-11-15 2014-02-26 四川大学 Preparation method and application of catalyst for removing oxygen in oxygen-containing gas by using methanol
CN105107508A (en) * 2015-07-21 2015-12-02 华烁科技股份有限公司 Coalbed methane sulfur-tolerant deoxidizing monolithic catalyst and preparation method thereof
CN106378186B (en) * 2016-10-26 2019-01-04 南京碳环生物质科技有限公司 A kind of preparation method of base metal type biogas dehydrogenation catalyst
CN106378186A (en) * 2016-10-26 2017-02-08 南京碳环生物质科技有限公司 Preparation method of non-noble-metal biogas deoxidation catalyst
CN108928803A (en) * 2017-05-27 2018-12-04 中国石油化工股份有限公司 A kind of method of chloration hydro-oxidation production chlorine
CN109772440A (en) * 2017-11-14 2019-05-21 中国石油化工股份有限公司 A kind of coal gas layer catalyst for catalytic combustion and preparation method thereof
CN109772441A (en) * 2017-11-14 2019-05-21 中国石油化工股份有限公司 A kind of catalyst of core-shell structure and its preparation method and application
CN109772441B (en) * 2017-11-14 2022-01-04 中国石油化工股份有限公司 Catalyst with shell-core structure and preparation method and application thereof
CN116116409A (en) * 2023-01-12 2023-05-16 北京市飞达捷能气体分离技术有限公司 A combustion type gas deoxidation catalyst and its preparation method
CN119281315A (en) * 2024-12-12 2025-01-10 上海化工研究院有限公司 A CO2 catalytic conversion catalyst and its preparation method and application
CN119281315B (en) * 2024-12-12 2025-03-21 上海化工研究院有限公司 A CO2 catalytic conversion catalyst and its preparation method and application

Similar Documents

Publication Publication Date Title
CN102872883A (en) Supported non-noble metal oxygen-containing coalbed methane deoxidation catalyst and preparation method and application thereof
CN101322942B (en) Oxygen-containing coal bed gas deoxidation catalyst and preparation thereof as well as applications
CN103373706B (en) A kind of methane reforming hydrogen production process and device
CN106238046B (en) Preparation method and application of supported rhodium-based catalyst with perovskite as precursor
CN101637726A (en) Preparation method of catalyst for preparing synthesis gas by reforming methane-carbon dioxide
Tian et al. Using a hierarchically-structured CuO@ TiO2-Al2O3 oxygen carrier for chemical looping air separation in a paralleled fluidized bed reactor
He et al. Application of Fe2O3/Al2O3 composite particles as oxygen carrier of chemical looping combustion
CN101301611A (en) Sulfur-tolerance deoxidation catalyst and preparation and use thereof
ZHANG Recent advances in integrated carbon dioxide capture and methanation technology
CN102674247B (en) A kind of method of decarburization and the dual forced methane steam reforming hydrogen manufacturing of dehydrogenation and device
CN101108350B (en) Hydrocarbon steam conversion catalyst and preparation method thereof
CN102302931A (en) Catalytic combustion deoxidation catalyst for oxygen-containing methane mixed gas, as well as preparation method and application thereof
CN111097447A (en) Catalyst for low-temperature catalytic cracking of methane to produce hydrogen, preparation method thereof and low-temperature catalytic cracking method for methane to produce hydrogen
CN101912783B (en) Catalyst for combustion of ventilation air methane and preparation method thereof
Li et al. Integrated Carbon Dioxide Capture and Utilization for the Production of CH4, Syngas and Olefins over Dual‐Function Materials
CN103816913A (en) Catalyst for preparing synthetic gas by reforming of methane and carbon dioxide as well as preparation method and application of catalyst
CN102600912B (en) Pretreatment method for improving performance of methane and carbon dioxide dry reforming catalyst
Waikar et al. A review on Chemical Looping Water Splitting (CLWS) as a potential alternative to Steam Methane Reforming (SMR) for hydrogen production
CN105080564A (en) Catalyst used for preparation of carbon monoxide by conversion of carbon dioxide and use method thereof
Min et al. CO production via thermochemical CO2 splitting over Ni ferrite-based catalysts
JP5897722B2 (en) Method for preparing carbon dioxide methanation catalyst
CN117504577A (en) Preparation method of CaO-based dual-function material, caO-based dual-function material and application thereof
CN101767031B (en) Low temperature conversion catalyst for partial oxidation of methane to syngas
CN105642289A (en) Preparation method of catalyst for complete methanation of syngas
CN103374431A (en) Oxygen carrier, preparation method therefor, and applications thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20130116