CN101275086B - Joint production method for methanol and synthesis ammonia - Google Patents
Joint production method for methanol and synthesis ammonia Download PDFInfo
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- CN101275086B CN101275086B CN 200810016165 CN200810016165A CN101275086B CN 101275086 B CN101275086 B CN 101275086B CN 200810016165 CN200810016165 CN 200810016165 CN 200810016165 A CN200810016165 A CN 200810016165A CN 101275086 B CN101275086 B CN 101275086B
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- active sludge
- synthetic ammonia
- methyl alcohol
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- sodium salts
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 87
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 1
- 239000010802 sludge Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 238000002309 gasification Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 9
- 239000003245 coal Substances 0.000 claims description 45
- 159000000000 sodium salts Chemical class 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 14
- 239000006260 foam Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 13
- 230000002879 macerating effect Effects 0.000 claims description 12
- 239000004021 humic acid Substances 0.000 claims description 11
- 239000010865 sewage Substances 0.000 claims description 9
- 239000003570 air Substances 0.000 claims description 8
- 239000005416 organic matter Substances 0.000 abstract description 7
- 239000004484 Briquette Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 2
- 238000002156 mixing Methods 0.000 abstract 2
- 229910052708 sodium Inorganic materials 0.000 abstract 2
- 239000011734 sodium Substances 0.000 abstract 2
- 239000010841 municipal wastewater Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 238000004065 wastewater treatment Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 24
- 239000011230 binding agent Substances 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
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- Treatment Of Sludge (AREA)
Abstract
The present invention provides a joint production method of methanol, synthetic ammonia having lower production cost, characterized in that the production process includes following steps: (1) mixing culmcoal which particle size is equal or less than 3mm, moisture content is equal or less than 10%, activated sludge containing organic matter treated by municipal wastewater treatment plant which water content is 60-80%, with sodium humate which temperature is about 90 DEG C, the ratio by the weight account as following: culmcoal 100 portions, activated sludge 10-15 portions, sodium humate 2-4 portions; (2) stacking retting for 24-36 hour when blending the mixer, the water content of the mixer after retted is 12-15%, then processing forming; processing dry after formed, the drying temperature is 100-150 DEG C, the drying time is 4-8 hour, the water content after dried is less than 12%, the product briquette is formed after dried; (3) the product briquette is processed by gasification reaction with gas, steam to produce methanol, synthetic ammonia raw material gas.
Description
Technical field
The present invention relates to a kind of method of producing the unstripped gas of methyl alcohol and synthetic ammonia.
Background technology
On the combination producing of methyl alcohol, synthetic ammonia, general at present the employing produced methyl alcohol, syngas for synthetic ammonia, it is the gasifying process that raw material and air and water vapor at high temperature react that methyl alcohol, syngas for synthetic ammonia generally adopt carbon containing matter such as coal, but in recent years because the coal resources anxiety, cause its price increase amplitude bigger, cause the production cost height.That handles in the municipal sewage plant contains organic active sludge, wherein moisture about 80%, and wherein organic component content reaches more than 60% after the active sludge oven dry, fixed carbon content about 10%, and the butt calorific value reaches 2300 kilocalories; No matter the mature experience that the processing of active sludge does not also have comprehensive utilization of resources at present both at home and abroad burns or landfill, all is the processing of destruction property, and the processing cost height, contaminate environment.
Summary of the invention
The method that the purpose of this invention is to provide the unstripped gas of low production methyl alcohol of a kind of cost and synthetic ammonia.
For achieving the above object, the technical solution adopted in the present invention is: a kind of method of producing the unstripped gas of methyl alcohol and synthetic ammonia is characterized in that its production process is as follows:
(1) Sodium salts humic acids that organic active sludge and temperature be 90 ℃ that contains that the municipal sewage plant of the hard coal foam of granularity≤3mm, water ratio≤10%, water content 60%-80% is handled mixes, and proportioning is as follows by weight for it:
100 parts of active sludge 10-15 of hard coal foam part Sodium salts humic acids 2-4 part;
(2) above-mentioned compound is stirred after, the windrow system of macerating 24-36 hour, the moisture of macerating system back compound is 12%-15%, carries out moulding then; Dry after the moulding, bake out temperature is 100-150 ℃, and drying time is 4-8 hour, and oven dry back moisture＜12% is the finished product moulded coal after the oven dry;
(3) finished product moulded coal and air, water vapor carry out the unstripped gas that gasification reaction promptly produces methyl alcohol and synthetic ammonia.
In above-mentioned hard coal foam, active sludge, the Sodium salts humic acids compound, its best proportioning by weight is as follows:
2.5 parts of 12 parts of Sodium salts humic acidss of 100 parts of active sludge of hard coal foam.
Advantage of the present invention is: utilize sewage work's remaining active sludge in sewage treatment process, utilize wherein organic component production methyl alcohol, synthetic ammonia, with save energy, minimizing investment, and it is few that methyl alcohol and synthetic ammonia two systems are implicative of each other, stable operation.Its characteristics are: 1, reduced the expense of active sludge treatment, avoided the secondary pollution of active sludge; 2, save these Nonrenewable energy resources of coal, realized energy recycling.Active sludge as briquette binder, and make its gasification, production methyl alcohol, syngas for synthetic ammonia produce methyl alcohol, synthetic ammonia, make it in the process of disposing, produce economic benefit, it is the good approach that reduces environmental pollution, turns waste into wealth, can fill up the blank that the active sludge resource utilization is effectively utilized, be to implement energy-saving and emission-reduction comprehensive utilization, the better behave of developing a circular economy.It can make sewage ton processing cost on average reduce by 0.05 yuan.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is further described:
Embodiment 1:
A kind of method of producing the unstripped gas of methyl alcohol and synthetic ammonia, as shown in Figure 1, its production process is as follows:
(1) active sludge that contains organic matter and the about 90 ℃ Sodium salts humic acids of temperature that the municipal sewage plant of the hard coal foam of granularity≤3mm, water ratio≤10%, water content 60% is handled mixes, and proportioning is as follows by weight for it:
2 parts of 10 parts of Sodium salts humic acidss of 100 parts of active sludge of hard coal foam;
(2) above-mentioned compound is stirred after, the windrow system of macerating 24 hours, the moisture of macerating system back compound is 12%, carries out moulding then; Dry after the moulding, bake out temperature is 100 ℃, and drying time is 4 hours, and oven dry back moisture＜12% is the finished product moulded coal after the oven dry;
(3) finished product moulded coal and air, water vapor carry out the unstripped gas that gasification reaction promptly produces methyl alcohol and synthetic ammonia.
Embodiment 2:
A kind of method of producing the unstripped gas of methyl alcohol and synthetic ammonia, as shown in Figure 1, its production process is as follows:
(1) active sludge that contains organic matter and the about 90 ℃ Sodium salts humic acids of temperature that the municipal sewage plant of the hard coal foam of granularity≤3mm, water ratio≤10%, water content 80% is handled mixes, and proportioning is as follows by weight for it:
4 parts of 15 parts of Sodium salts humic acidss of 100 parts of active sludge of hard coal foam;
(2) above-mentioned compound is stirred after, the windrow system of macerating 36 hours, the moisture of macerating system back compound is 15%, carries out moulding then; Dry after the moulding, bake out temperature is 150 ℃, and drying time is 8 hours, and oven dry back moisture＜12% is the finished product moulded coal after the oven dry;
(3) finished product moulded coal and air, water vapor carry out the unstripped gas that gasification reaction promptly produces methyl alcohol and synthetic ammonia.
Embodiment 3:
A kind of method of producing the unstripped gas of methyl alcohol and synthetic ammonia, as shown in Figure 1, its production process is as follows:
(1) active sludge that contains organic matter and the about 90 ℃ Sodium salts humic acids of temperature that the municipal sewage plant of the hard coal foam of granularity≤3mm, water ratio≤10%, water content 70% is handled mixes, and its best by weight proportioning is as follows:
2.5 parts of 12 parts of Sodium salts humic acidss of 100 parts of active sludge of hard coal foam;
(2) above-mentioned compound is stirred after, the windrow system of macerating 30 hours, the moisture of macerating system back compound is 13%, carries out moulding then; Dry after the moulding, bake out temperature is 120 ℃, and drying time is 6 hours, and oven dry back moisture＜12% is the finished product moulded coal after the oven dry;
(3) finished product moulded coal and air, water vapor carry out the unstripped gas that gasification reaction promptly produces methyl alcohol and synthetic ammonia.
Because of the contained organic composition of active sludge with similar as the material humic acid of binding agent, adopt active sludge to replace former part binding agent, the briquet quality of production is also better when making binding agent with Sodium salts humic acids than single.
Above-mentioned compound is through the system of macerating of can putting in storage that stirs, and windrow enters the shaper moulding after macerating system, goes into the drying kiln oven dry after the moulding and produces the finished product moulded coal; The finished product moulded coal can gasify in producer gas generator, and the finished product moulded coal at first is the heating gas drying that is generated after adding producer gas generator, dried finished products moulded coal and air and water vapor gasification reaction, and reacted finished product moulded coal is discharged as lime-ash after reclaiming heat.Because active sludge mainly contains organic matter and water, compound after the moulding is dried, destructive distillation, than obtaining more moulded coal porosity without active sludge, and the moulded coal porosity improves the important indicator of vaporized chemical (air, water vapor) and feed coal reaction effect exactly: the porosity of coal is high more, gasification reaction is fast more, promptly helps the gaseous diffusion of gas-solid phase reaction more.The diffusion of gas (reactant gases and generation gas) then is the controlled step of gasification reaction, and therefore, the adding of active sludge can improve the moulded coal porosity, helps the carrying out of gasification reaction.
The active sludge major ingredient is the organisms such as bacterium that die, main body is organic matters such as protein, its host molecule is C5H7O2N, promptly contain and make required C, H, N, the O element of unstripped gas, thereby very easily burning, be easy at high temperature take place cracking, molecular transposition, dehydrogenation, or with vaporized chemical in oxygen and water molecules generation chemical reaction.Thereby obtain CO, H2, the N2 of methyl alcohol, syngas for synthetic ammonia.When dried finished products moulded coal and air and water vapor gasification reaction, the organic matter in the active sludge at first reacts and generates CO, H2, N2.Because the gasification that takes the lead in of active sludge to the porosity of further increase moulded coal, makes feed coal participate in chemical reaction faster and betterly.Because the participation of active sludge, the starting temperature of feed coal gasification reaction has reduced, and speed of response has been accelerated, and reaction effect has improved.
, at first be as binding agent, but mainly be in gas furnace, to gasify as producing methyl alcohol, syngas for synthetic ammonia with active sludge, change into unstripped gas.The gas that it is emitted is not to enter atmosphere but as valuable unstripped gas, next life production capacity source growing tension methyl alcohol and grain one synthetic ammonia of farm crop.
Active sludge is as one of raw material of producing methyl alcohol synthetic ammonia, and its characteristics are: 1, saved caustic soda, brown coal, anthracite resource in active sludge disposal of resources process, 2-3 ton dewatered sludge can be saved 1 ton of hard coal; 2, mud self is converted into methyl alcohol and synthetic ammonia product, and other disposal that does not resemble mud is put into atmosphere to gas as burning, burning to use, and causes secondary pollution; 3, the moisture of mud directly is utilized, and need not dry, because of the outer heat dissipation of mud oven dry can be greater than pollution self calorific value, if the mud landfill also can pollute water and soil, so mud has obtained best disposal; 4, because the endemic element of the contained biological water of mud, organic matter adds take the lead in when gasification reflects gasification, moisture evaporation, increased the moulded coal voidage at the gas furnace confidential reference items, improved the natural radioactivity of feed coal, made the reaction rate accelerates of feed coal and vaporized chemical.
Claims (2)
1. method of producing the unstripped gas of methyl alcohol and synthetic ammonia is characterized in that its production process is as follows:
(1) Sodium salts humic acids that organic active sludge and temperature be 90 ℃ that contains that the municipal sewage plant of the hard coal foam of granularity≤3mm, water ratio≤10%, water content 60%-80% is handled mixes, and proportioning is as follows by weight for it:
100 parts of hard coal foams; Active sludge 10-15 part; Sodium salts humic acids 2-4 part;
(2) above-mentioned compound is stirred after, the windrow system of macerating 24-36 hour, the moisture of macerating system back compound is 12%-15%, carries out moulding then; Dry after the moulding, bake out temperature is 100-150 ℃, and drying time is 4-8 hour, and oven dry back moisture＜12% is the finished product moulded coal after the oven dry;
(3) finished product moulded coal and air and water vapor carry out the unstripped gas that gasification reaction promptly produces methyl alcohol and synthetic ammonia.
2. the method for the unstripped gas of production methyl alcohol according to claim 1 and synthetic ammonia is characterized in that in described hard coal foam, active sludge, the Sodium salts humic acids compound, proportioning is as follows by weight for it:
100 parts of hard coal foams; 12 parts of active sludge; 2.5 parts of Sodium salts humic acidss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810016165 CN101275086B (en) | 2008-05-15 | 2008-05-15 | Joint production method for methanol and synthesis ammonia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810016165 CN101275086B (en) | 2008-05-15 | 2008-05-15 | Joint production method for methanol and synthesis ammonia |
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| Publication Number | Publication Date |
|---|---|
| CN101275086A CN101275086A (en) | 2008-10-01 |
| CN101275086B true CN101275086B (en) | 2011-03-16 |
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| CN 200810016165 Expired - Fee Related CN101275086B (en) | 2008-05-15 | 2008-05-15 | Joint production method for methanol and synthesis ammonia |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB298617A (en) * | 1927-10-12 | 1930-02-12 | Ig Farbenindustrie Ag | Denaturing agents for alcohol |
| CN1607009A (en) * | 2003-10-16 | 2005-04-20 | 重庆环卫工程技术开发有限公司 | Use of humic acid sodium/potassium for deodorizing rubbish as biochemical deodorizer, its preparation method and deodorizing method |
| CN1608993A (en) * | 2003-10-20 | 2005-04-27 | 邰学林 | Combined gasification process of producing synthetic ammonia |
| CN1766071A (en) * | 2005-11-21 | 2006-05-03 | 上海元宝能源技术有限公司 | Gasifying coal for water gas furnace |
| CN1948436A (en) * | 2006-04-05 | 2007-04-18 | 上海兖矿能源科技研发有限公司 | Method of coproducing oil product, methanol and electric energy using carbon containing combustible solid as raw material |
| CN1962411A (en) * | 2006-12-11 | 2007-05-16 | 山西丰喜肥业（集团）股份有限公司临猗分公司 | Preparation process of raw material gas for synthetic ammonia or methanol production |
-
2008
- 2008-05-15 CN CN 200810016165 patent/CN101275086B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB298617A (en) * | 1927-10-12 | 1930-02-12 | Ig Farbenindustrie Ag | Denaturing agents for alcohol |
| CN1607009A (en) * | 2003-10-16 | 2005-04-20 | 重庆环卫工程技术开发有限公司 | Use of humic acid sodium/potassium for deodorizing rubbish as biochemical deodorizer, its preparation method and deodorizing method |
| CN1608993A (en) * | 2003-10-20 | 2005-04-27 | 邰学林 | Combined gasification process of producing synthetic ammonia |
| CN1766071A (en) * | 2005-11-21 | 2006-05-03 | 上海元宝能源技术有限公司 | Gasifying coal for water gas furnace |
| CN1948436A (en) * | 2006-04-05 | 2007-04-18 | 上海兖矿能源科技研发有限公司 | Method of coproducing oil product, methanol and electric energy using carbon containing combustible solid as raw material |
| CN1962411A (en) * | 2006-12-11 | 2007-05-16 | 山西丰喜肥业（集团）股份有限公司临猗分公司 | Preparation process of raw material gas for synthetic ammonia or methanol production |
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| CN101275086A (en) | 2008-10-01 |
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