CN104437388A - Indoor methanol remover formula - Google Patents
Indoor methanol remover formula Download PDFInfo
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- CN104437388A CN104437388A CN201410689518.0A CN201410689518A CN104437388A CN 104437388 A CN104437388 A CN 104437388A CN 201410689518 A CN201410689518 A CN 201410689518A CN 104437388 A CN104437388 A CN 104437388A
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- formaldehyde
- ethyleneurea
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- methanol
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title abstract 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 46
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004202 carbamide Substances 0.000 claims abstract description 12
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 388
- 239000003795 chemical substances by application Substances 0.000 claims description 86
- YAMHXTCMCPHKLN-UHFFFAOYSA-N imidazolidin-2-one Chemical compound O=C1NCCN1 YAMHXTCMCPHKLN-UHFFFAOYSA-N 0.000 claims description 70
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 22
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 22
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 15
- 229960000892 attapulgite Drugs 0.000 claims description 14
- 239000004927 clay Substances 0.000 claims description 14
- 229910052625 palygorskite Inorganic materials 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 13
- 239000000741 silica gel Substances 0.000 claims description 12
- 229910002027 silica gel Inorganic materials 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 11
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 11
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 239000001110 calcium chloride Substances 0.000 claims description 6
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 6
- 239000000126 substance Substances 0.000 abstract description 16
- 231100000252 nontoxic Toxicity 0.000 abstract description 11
- 230000003000 nontoxic effect Effects 0.000 abstract description 11
- 238000001179 sorption measurement Methods 0.000 abstract description 7
- 239000003463 adsorbent Substances 0.000 abstract 5
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 abstract 4
- 230000009965 odorless effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 23
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 20
- 238000001704 evaporation Methods 0.000 description 15
- 238000011049 filling Methods 0.000 description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 14
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 13
- 239000007789 gas Substances 0.000 description 12
- 231100000614 poison Toxicity 0.000 description 12
- 230000007096 poisonous effect Effects 0.000 description 12
- 238000001035 drying Methods 0.000 description 11
- 239000008367 deionised water Substances 0.000 description 10
- 229910021641 deionized water Inorganic materials 0.000 description 10
- 239000000376 reactant Substances 0.000 description 10
- 238000002791 soaking Methods 0.000 description 10
- 230000009967 tasteless effect Effects 0.000 description 10
- 239000002023 wood Substances 0.000 description 9
- 229930040373 Paraformaldehyde Natural products 0.000 description 8
- 229920002866 paraformaldehyde Polymers 0.000 description 8
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 7
- 229910021529 ammonia Inorganic materials 0.000 description 7
- 230000003197 catalytic effect Effects 0.000 description 7
- 230000008030 elimination Effects 0.000 description 7
- 238000003379 elimination reaction Methods 0.000 description 7
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000002798 spectrophotometry method Methods 0.000 description 5
- 238000001291 vacuum drying Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920001807 Urea-formaldehyde Polymers 0.000 description 3
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- -1 phenolic aldehyde Chemical class 0.000 description 3
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- CRPOUZQWHJYTMS-UHFFFAOYSA-N dialuminum;magnesium;disilicate Chemical compound [Mg+2].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] CRPOUZQWHJYTMS-UHFFFAOYSA-N 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229920003180 amino resin Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses an indoor methanol remover formula which comprises the following components: 100 parts of adsorbent carrier, 16-72 parts of ethylene group urea, 4-5 parts of accelerant and 2-4 parts of essence. The formula adopts the ethylene group urea and the adsorbent carrier which are matched for use, the ethylene group urea is loaded on the adsorbent carrier, and when the adsorbent carrier performs physical adsorption on methanol in air, the ethylene group urea loaded on the adsorbent carrier can make a chemical reaction with the methanol to finally convert the methanol into a nontoxic and odorless substance, so that the methanol is thoroughly removed; the formula is convenient to use, low in price, and pollution-free; practice proves that the air quality is obviously improved after use of the formula; and the formula is particularly suitable for daily household use.
Description
Technical field
The invention belongs to formaldehyde removing field, specifically, is a kind of indoor formaldehyde remover formula.
Background technology
Formaldehyde is considered to the class suspect carcinogen ranked the first in indoor pollution always, usually decoration is derived from, finishing material, furniture and coating etc., especially be very with the adhesive of artificial board and use thereof, artificial board comprises face artificial board, glued board, particieboard, fiberboard, composite floor board etc., they use phenolic aldehyde containing formaldehyde and Lauxite in process of production, according to statistics display, domestic artificial board more than 90% adopts urea-formaldehyde glue to suppress, thus no doubt free formaldehyde can be produced when applying, be applied in Furniture manufacture or the application of other sheet material and often certain impact produced on human body.In actual application, free formaldehyde Producing reason comprises the following aspects:
(1) insufficient and remaining free formaldehyde is reacted during resins synthesis;
(2) resins synthesis participates in reaction formaldehyde, owing to defining unstable group, heat press greatly with hard board use procedure in discharge again the formaldehyde combined;
(3) in board making process, owing to adding solid agent, under electrolytical effect, around resin micelle, the absorption ion layer of established tool stability is destroyed, thus discharges formaldehyde and cause hardening of resin.
To volatilize the injury that human body is caused for eliminating wood-based plate Free-formaldehyde, the greenization of wood-based plate is produced and has been become the crucial part affecting wood-based plate market, the existing safe wood-based plate occurring two types on the market, one is, as patent document CN1404891A(artificial board formaldehyde remover and preparation method, 2003.03.26) a kind of formaldehyde eliminating agent being applicable to wood-based panel industry production post processing recorded, this formaldehyde eliminating agent is for being coated in wood-based plate, enter after infiltration in wood-based plate and react with free formaldehyde wherein, to reach the effect eliminating free formaldehyde, another kind is, as patent document CN1739821A(ethylene carbamido amino derivative as formaldehyde eliminator, 2006.03.01) formaldehyde eliminating agent being applicable to add in amino resins recorded, with urea-formaldehyde glue etc. with the use of, to reach the object of removing urea-formaldehyde glue Free-formaldehyde.
In actual use, the volatilizes of free formaldehyde generally can continue 10 ~ 15 years, in above-mentioned two kinds of formaldehyde scavengers, the active ingredient added is limited, once after effect inefficacy, the free formaldehyde in wood-based plate still can discharge out in a large number, cause the pollution of room air, in addition, when formaldehyde scavenger and formaldehyde generation incomplete reaction, also may generate other noxious materials and cause secondary pollution.
Summary of the invention
The object of the present invention is to provide a kind of indoor formaldehyde remover formula, this formula adopt ethyleneurea and adsorbing agent carrier with the use of, ethyleneurea is carried on adsorbing agent carrier, while adsorbing agent carrier carries out physical absorption to the formaldehyde in air, be carried on ethyleneurea on adsorbing agent carrier can with formaldehyde generation chemical reaction, formaldehyde conversion is finally made to become nontoxic, tasteless substance, realize the thorough removing of formaldehyde, easy to use, pollution-free, be proven, use rear air quality be improved significantly, and it is cheap, especially suitable family routine use.
The present invention is achieved through the following technical solutions: a kind of indoor formaldehyde remover formula, and described formula comprises following component:
Adsorbing agent carrier: 100 parts;
Ethyleneurea: 16 ~ 72 parts;
Promoter: 4 ~ 5 parts;
Essence: 2 ~ 4 parts.
The present invention realizes the thorough removing of PARA FORMALDEHYDE PRILLS(91,95) by physical absorption and chemical reaction two kinds of modes, wherein, adsorbing agent carrier can realize the absorption of formaldehyde, by the formaldehyde that adsorbs on adsorbing agent carrier again with the ethyleneurea generation chemical reaction of load, finally make that formaldehyde conversion becomes nontoxic, tasteless substance, realize the thorough removing of formaldehyde, wherein, the effect of reaction promoter is: play catalytic action when ethyleneurea and formaldehyde react, to improve the elimination factor of free formaldehyde, be proven, its result of use is good.
The reaction that the present invention relates to can generate compound that is nontoxic, tasteless substance with formolite reaction, in the present invention, described ethyleneurea by mol ratio be the ethylenediamine of 1.5:1:0.5, urea, water adds in reactor, heating and melting also stirs, after obtaining ethyleneurea paste, add water-soluble solution again, and after filtration, dry after obtain, described ethyleneurea is white crystalline.
In the present invention, described ethylenediamine, urea, water heating-up temperature is in the reactor 110 ~ 240 DEG C, reaction time is 3 ~ 4h, and after obtaining ethyleneurea paste, continuous heating stirs, after ethyleneurea paste dissolves, be cooled to 150 ~ 180 DEG C, then add water-soluble solution, and keep temperature > 100 DEG C, after the hydrolysis of ethyleneurea dissolved matter, more after filtration, the ethyleneurea of white crystalline can be obtained after drying.
The adsorbing agent carrier that the present invention relates to should be selected specific area large and have the carrier of good adsorption properties, in the present invention, described adsorbing agent carrier is the one in active carbon, attapulgite clay, silica gel or diatomite, when practical application, except PARA FORMALDEHYDE PRILLS(91,95) has strong suction-operated, have taste gas also to have stronger suction-operated to the hydrogen sulfide in air, ammonia etc. are poisonous, practical effect is good.
Further, described reaction promoter comprises the mixture of one or more compositions in magnesium sulfate, calcium sulfate, magnesium chloride or calcium chloride.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention utilizes load to have the adsorbing agent carrier of ethyleneurea the physical absorption of formaldehyde and chemical reaction to be combined, formaldehyde in air is after adsorbing agent carrier absorption, can with the ethyleneurea generation chemical reaction of its load, finally make that formaldehyde conversion becomes nontoxic, tasteless substance, formaldehyde (aldehyde material) a large amount of in removing air that can not only be permanently effective, the thorough removing of formaldehyde (aldehyde material) can also be realized, easy to use, pollution-free, be suitable for extensively promoting the use of.
(2) the present invention on adsorbing agent carrier also load to respond promoter, this reaction promoter can play catalytic action when ethyleneurea and formaldehyde react, to improve the elimination factor of free formaldehyde, be proven, the use of this reaction promoter, the concentration of formaldehyde in indoor air can be made to be reduced to safe range rapidly, and its practical effect is good.
(3) adsorbing agent carrier of the present invention can adopt the one in active carbon, attapulgite clay, silica gel or diatomite, when practical application, adsorbing agent carrier is except PARA FORMALDEHYDE PRILLS(91,95) has strong suction-operated, have taste gas also to have stronger suction-operated to the hydrogen sulfide in air, ammonia etc. are poisonous, practical effect is good.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1:
Because existing artificial board can use phenolic aldehyde containing formaldehyde and Lauxite in process of production, and by the furniture of this class board making and building materials of house fitting-up etc. while using for people, in sheet material residual and have neither part nor lot in the formaldehyde of reaction can Environment release towards periphery gradually, the longest release period can for 15 years, for this reason, formaldehyde has become the main body of current room air pollution, based on the yoke of current people to the technological development of artificial board, as: the most aldehyde product Use Limitation that disappears is poor, , once after effect inefficacy, free formaldehyde in wood-based plate still can discharge out in a large number, cause the pollution etc. of room air, for solving the defect that prior art exists, the present invention proposes a kind of indoor formaldehyde remover formula, this formaldehyde eliminating agent uses mainly for indoor environment, utilize the mode that physical absorption and chemical reaction combine, reach the thorough removing of formaldehyde, a large amount of formaldehyde in removing air that can not only be permanently effective, also formaldehyde conversion can be become nontoxic, tasteless substance, avoid the generation of secondary pollution.
The formaldehyde eliminating agent formula that the present embodiment relates to is as follows: by ratio of quality and the number of copies,
Adsorbing agent carrier: 100 parts, can select active carbon;
Ethyleneurea: 16 parts can be the ethylenediamine of 1.5:1:0.5 by mol ratio, urea, water add in reactor, and heating and melting also stirs, after obtaining ethyleneurea paste, add water-soluble solution again, and after filtration, dry after obtain, this ethyleneurea is white crystalline;
Promoter: 4 parts, can select magnesium sulfate;
Essence: 2 parts.
The formaldehyde eliminating agent product obtained by above-mentioned formula comprises following component: by ratio of quality and the number of copies,
Adsorbing agent carrier: 1 part;
Ethyleneurea: 0.032 part,
Reaction promoter: 0.008 part.
Essence: 0.004 part.
In the present invention, ethyleneurea and reaction promoter are the chemical composition be carried on adsorbing agent carrier, adsorbing agent carrier should be selected specific area large and have the carrier of good adsorption properties, as the present embodiment mentions the one in active carbon, attapulgite clay, silica gel or diatomite, when practical application, except PARA FORMALDEHYDE PRILLS(91,95) has strong suction-operated, have taste gas also to have stronger suction-operated to the hydrogen sulfide in air, ammonia etc. are poisonous, practical effect is good.When reality uses, adsorbing agent carrier is by its strong suction-operated, taste gas is had to adsorb by poisonous to the formaldehyde in air and other, formaldehyde is carried out chemical reaction by the ethyleneurea adsorbing rear and its load, change into nontoxic, the thorough removing of formaldehyde is realized after tasteless substance, the effect of reaction promoter is: can play catalytic action when ethyleneurea and formaldehyde react, to improve the elimination factor of free formaldehyde, be proven, the use of this reaction promoter, the concentration of formaldehyde in indoor air can be made to be reduced to safe range rapidly, its practical effect is good.
The preparation method of the formaldehyde eliminating agent that the present embodiment relates to comprises the steps:
(1) get the raw materials ready: take in 500g, 300 object active carbons feeding thermostatic drying chambers and carry out drying, for subsequent use after dry 24h, choose the ethyleneurea of solid powdery, magnesium sulfate and essence, 80g ethyleneurea, 20g magnesium sulfate and 10g essence is taken respectively in the ratio of 16:4:2, the ethyleneurea taken, magnesium sulfate and essence are dissolved in the water of 100ml, reactant solution is obtained after stirring, for subsequent use;
(2) formaldehyde eliminating agent is prepared: the active carbon obtained after step (1) is dry puts into reactant solution, takes out after soaking 3h;
(3) dry: the active carbon after soaking to be sent in vacuum drying oven, after dry 20h, prepares the formaldehyde eliminating agent product of 536g.
The formaldehyde eliminating agent product that the present embodiment obtains is detected, first, the evaporating dish of the formalin filling 100ml, 72mg/ml is put in drier, volatilize after 5h under room temperature, take out evaporating dish in drier, then put into the evaporating dish filling 4g formaldehyde eliminating agent product and the beaker filling 100ml deionized water, with the concentration of formaldehyde in acetylacetone,2,4-pentanedione spectrophotometry deionized water after 24h, and calculating clearance, the formaldehyde clearance obtaining the present embodiment acquisition formaldehyde eliminating agent product is as calculated 98.2%.
Embodiment 2:
The formaldehyde eliminating agent formula that the present embodiment relates to is made up of following component: by ratio of quality and the number of copies,
Adsorbing agent carrier: 100 parts, can select attapulgite clay;
Ethyleneurea: 72 parts can be the ethylenediamine of 1.5:1:0.5 by mol ratio, urea, water add in reactor, and heating and melting also stirs, after obtaining ethyleneurea paste, add water-soluble solution again, and after filtration, dry after obtain, this ethyleneurea is white crystalline;
Promoter: 5 parts, can select the mixture that calcium sulfate, magnesium chloride form, and wherein, the mass ratio of calcium sulfate and magnesium chloride is 1:1;
Essence: 4 parts.
The formaldehyde eliminating agent product obtained by above-mentioned formula comprises following component: by ratio of quality and the number of copies,
Adsorbing agent carrier: 1 part;
Ethyleneurea: 0.144 part;
Reaction promoter: 0.01 part
Essence: 0.008 part.
In the present invention, ethyleneurea and reaction promoter are the chemical composition be carried on adsorbing agent carrier, adsorbing agent carrier should be selected specific area large and have the carrier of good adsorption properties, as the present embodiment mentions the one in active carbon, attapulgite clay, silica gel or diatomite, when practical application, except PARA FORMALDEHYDE PRILLS(91,95) has strong suction-operated, have taste gas also to have stronger suction-operated to the hydrogen sulfide in air, ammonia etc. are poisonous, practical effect is good.When reality uses, adsorbing agent carrier is by its strong suction-operated, taste gas is had to adsorb by poisonous to the formaldehyde in air and other, formaldehyde is carried out chemical reaction by the ethyleneurea adsorbing rear and its load, change into nontoxic, the thorough removing of formaldehyde is realized after tasteless substance, the effect of reaction promoter is: can play catalytic action when ethyleneurea and formaldehyde react, to improve the elimination factor of free formaldehyde, be proven, the use of this reaction promoter, the concentration of formaldehyde in indoor air can be made to be reduced to safe range rapidly, its practical effect is good.
The preparation method of the formaldehyde eliminating agent that the present embodiment relates to comprises the steps:
(1) get the raw materials ready: take in 500g, 400 object attapulgite clays feeding thermostatic drying chambers and carry out drying, for subsequent use after dry 24h, choose the mixture of the ethyleneurea of solid powdery and calcium sulfate, magnesium chloride composition, 375g ethyleneurea, the calcium sulfate of 25g, mixture, the 20g essence of magnesium chloride composition is taken respectively in the ratio of 72:5:4, the ethyleneurea taken and calcium sulfate, the mixture of magnesium chloride composition, essence are dissolved in the water of 100ml, reactant solution is obtained after stirring, for subsequent use;
(2) formaldehyde eliminating agent is prepared: the attapulgite clay obtained after step (1) is dry puts into reactant solution, takes out after soaking 5h;
(3) dry: the attapulgite clay after soaking to be sent in vacuum drying oven, after dry 24h, prepares the formaldehyde eliminating agent product of 575g.
The formaldehyde eliminating agent product that the present embodiment obtains is detected, first, the evaporating dish of the formalin filling 100ml, 72mg/ml is put in drier, volatilize after 5h under room temperature, take out evaporating dish in drier, then put into the evaporating dish filling 4g formaldehyde eliminating agent product and the beaker filling 100ml deionized water, with the concentration of formaldehyde in acetylacetone,2,4-pentanedione spectrophotometry deionized water after 24h, and calculating clearance, the formaldehyde clearance obtaining the present embodiment acquisition formaldehyde eliminating agent product is as calculated 98.5%.
Embodiment 3:
The formaldehyde eliminating agent formula that the present embodiment relates to is made up of following component: by ratio of quality and the number of copies,
Adsorbing agent carrier: 100 parts, can select silica gel;
Ethyleneurea: 55 parts can be the ethylenediamine of 1.5:1:0.5 by mol ratio, urea, water add in reactor, and heating and melting also stirs, after obtaining ethyleneurea paste, add water-soluble solution again, and after filtration, dry after obtain, this ethyleneurea is white crystalline;
Promoter: 4.5 parts, can select calcium sulfate;
Essence: 2.2 parts.
The formaldehyde eliminating agent product obtained by above-mentioned formula comprises following component: by ratio of quality and the number of copies,
Adsorbing agent carrier: 1 part;
Ethyleneurea: 0.062 part;
Reaction promoter: 0.009 part;
Essence: 0.0044 part.
In the present invention, ethyleneurea and reaction promoter are the chemical composition be carried on adsorbing agent carrier, adsorbing agent carrier should be selected specific area large and have the carrier of good adsorption properties, as the present embodiment mentions the one in active carbon, attapulgite clay, silica gel or diatomite, when practical application, except PARA FORMALDEHYDE PRILLS(91,95) has strong suction-operated, have taste gas also to have stronger suction-operated to the hydrogen sulfide in air, ammonia etc. are poisonous, practical effect is good.When reality uses, adsorbing agent carrier is by its strong suction-operated, taste gas is had to adsorb by poisonous to the formaldehyde in air and other, formaldehyde is carried out chemical reaction by the ethyleneurea adsorbing rear and its load, change into nontoxic, the thorough removing of formaldehyde is realized after tasteless substance, the effect of reaction promoter is: can play catalytic action when ethyleneurea and formaldehyde react, to improve the elimination factor of free formaldehyde, be proven, the use of this reaction promoter, the concentration of formaldehyde in indoor air can be made to be reduced to safe range rapidly, its practical effect is good.
The preparation method of the formaldehyde eliminating agent that the present embodiment relates to comprises the steps:
(1) get the raw materials ready: take in 500g, 350 object silica gel feeding thermostatic drying chambers and carry out drying, for subsequent use after dry 24h, choose ethyleneurea and the calcium sulfate of solid powdery, 275g ethyleneurea, 22.5g calcium sulfate and 12.5g essence is taken respectively in the ratio of 55:4.5:2.5, the ethyleneurea taken, calcium sulfate, essence are dissolved in the water of 100ml, reactant solution is obtained after stirring, for subsequent use;
(2) formaldehyde eliminating agent is prepared: reactant solution put into by the silica gel obtained after step (1) is dry, takes out after soaking 4h;
(3) dry: the silica gel after soaking to be sent in vacuum drying oven, after dry 22h, prepares the formaldehyde eliminating agent product of 535.5g.
The formaldehyde eliminating agent product that the present embodiment obtains is detected, first, the evaporating dish of the formalin filling 100ml, 72mg/ml is put in drier, volatilize after 5h under room temperature, take out evaporating dish in drier, then put into the evaporating dish filling 4g formaldehyde eliminating agent product and the beaker filling 100ml deionized water, with the concentration of formaldehyde in acetylacetone,2,4-pentanedione spectrophotometry deionized water after 24h, and calculating clearance, the formaldehyde clearance obtaining the present embodiment acquisition formaldehyde eliminating agent product is as calculated 97.8%.
Embodiment 4:
The formaldehyde eliminating agent formula that the present embodiment relates to is made up of following component: by ratio of quality and the number of copies,
Adsorbing agent carrier: 100 parts, can select diatomite;
Ethyleneurea: 46 parts can be the ethylenediamine of 1.5:1:0.5 by mol ratio, urea, water add in reactor, and heating and melting also stirs, after obtaining ethyleneurea paste, add water-soluble solution again, and after filtration, dry after obtain, this ethyleneurea is white crystalline;
Promoter: 4.2 parts, can select the mixture that magnesium sulfate, magnesium chloride or calcium chloride form, wherein, and magnesium sulfate: magnesium chloride: calcium chloride=1:1:1;
Essence: 3.2 parts.
The formaldehyde eliminating agent product obtained by above-mentioned formula comprises following component: by ratio of quality and the number of copies,
Adsorbing agent carrier: 1 part;
Ethyleneurea: 0.08 part;
Reaction promoter: 0.008 part;
Essence: 0.0064 part.
In the present invention, ethyleneurea and reaction promoter are the chemical composition be carried on adsorbing agent carrier, adsorbing agent carrier should be selected specific area large and have the carrier of good adsorption properties, as the present embodiment mentions the one in active carbon, attapulgite clay, silica gel or diatomite, when practical application, except PARA FORMALDEHYDE PRILLS(91,95) has strong suction-operated, have taste gas also to have stronger suction-operated to the hydrogen sulfide in air, ammonia etc. are poisonous, practical effect is good.When reality uses, adsorbing agent carrier is by its strong suction-operated, taste gas is had to adsorb by poisonous to the formaldehyde in air and other, formaldehyde is carried out chemical reaction by the ethyleneurea adsorbing rear and its load, change into nontoxic, the thorough removing of formaldehyde is realized after tasteless substance, the effect of reaction promoter is: can play catalytic action when ethyleneurea and formaldehyde react, to improve the elimination factor of free formaldehyde, be proven, the use of this reaction promoter, the concentration of formaldehyde in indoor air can be made to be reduced to safe range rapidly, its practical effect is good.
The preparation method of the formaldehyde eliminating agent that the present embodiment relates to comprises the steps:
(1) get the raw materials ready: take in 500g, 360 object diatomite feeding thermostatic drying chambers and carry out drying, for subsequent use after dry 24h, choose the ethyleneurea of solid powdery and the mixture of magnesium sulfate, magnesium chloride or calcium chloride composition, mixture, the 16g essence of the ethyleneurea of 230g, the magnesium sulfate of 21g, magnesium chloride or calcium chloride composition is taken respectively in the ratio of 46:4.2:3.2, the mixture ethyleneurea taken and magnesium sulfate, magnesium chloride or calcium chloride formed, essence dissolve in the water of 100ml, reactant solution is obtained after stirring, for subsequent use;
(2) formaldehyde eliminating agent is prepared: the diatomite obtained after step (1) is dry puts into reactant solution, takes out after soaking 3.5h;
(3) dry: the diatomite after soaking to be sent in vacuum drying oven, after dry 24h, prepares the formaldehyde eliminating agent product of 544g.
The formaldehyde eliminating agent product that the present embodiment obtains is detected, first, the evaporating dish of the formalin filling 100ml, 72mg/ml is put in drier, volatilize after 5h under room temperature, take out evaporating dish in drier, then put into the evaporating dish filling 4g formaldehyde eliminating agent product and the beaker filling 100ml deionized water, with the concentration of formaldehyde in acetylacetone,2,4-pentanedione spectrophotometry deionized water after 24h, and calculating clearance, the formaldehyde clearance obtaining the present embodiment acquisition formaldehyde eliminating agent product is as calculated 98.7%.
Embodiment 5:
The formaldehyde eliminating agent formula that the present embodiment relates to is made up of following component: by ratio of quality and the number of copies,
Adsorbing agent carrier: 100 parts, can select attapulgite clay;
Ethyleneurea: 63 parts can be the ethylenediamine of 1.5:1:0.5 by mol ratio, urea, water add in reactor, and heating and melting also stirs, after obtaining ethyleneurea paste, add water-soluble solution again, and after filtration, dry after obtain, this ethyleneurea is white crystalline;
Promoter: 5 parts, can select magnesium chloride;
Essence: 3.5 parts.
The formaldehyde eliminating agent product obtained by above-mentioned formula comprises following component: by ratio of quality and the number of copies,
Adsorbing agent carrier: 1 part;
Ethyleneurea: 0.1 part;
Reaction promoter: 0.0095 part;
Essence: 0.007 part.
In the present invention, ethyleneurea and reaction promoter are the chemical composition be carried on adsorbing agent carrier, adsorbing agent carrier should be selected specific area large and have the carrier of good adsorption properties, as the present embodiment mentions the one in active carbon, attapulgite clay, silica gel or diatomite, when practical application, except PARA FORMALDEHYDE PRILLS(91,95) has strong suction-operated, have taste gas also to have stronger suction-operated to the hydrogen sulfide in air, ammonia etc. are poisonous, practical effect is good.When reality uses, adsorbing agent carrier is by its strong suction-operated, taste gas is had to adsorb by poisonous to the formaldehyde in air and other, formaldehyde is carried out chemical reaction by the ethyleneurea adsorbing rear and its load, change into nontoxic, the thorough removing of formaldehyde is realized after tasteless substance, the effect of reaction promoter is: can play catalytic action when ethyleneurea and formaldehyde react, to improve the elimination factor of free formaldehyde, be proven, the use of this reaction promoter, the concentration of formaldehyde in indoor air can be made to be reduced to safe range rapidly, its practical effect is good.
The preparation method of the formaldehyde eliminating agent that the present embodiment relates to comprises the steps:
(1) get the raw materials ready: take in 500g, 325 object attapulgite clays feeding thermostatic drying chambers and carry out drying, for subsequent use after dry 24h, choose ethyleneurea and the magnesium chloride of solid powdery, 315g ethyleneurea, 25g magnesium chloride, 17.5g essence is taken respectively in the ratio of 63:5:3.5, the ethyleneurea taken, magnesium chloride and essence are dissolved in the water of 100ml, reactant solution is obtained after stirring, for subsequent use;
(2) formaldehyde eliminating agent is prepared: the attapulgite clay obtained after step (1) is dry puts into reactant solution, takes out after soaking 4.5h;
(3) dry: the attapulgite clay after soaking to be sent in vacuum drying oven, after dry 23h, prepares the formaldehyde eliminating agent product of 554.75g.
The formaldehyde eliminating agent product that the present embodiment obtains is detected, first, the evaporating dish of the formalin filling 100ml, 72mg/ml is put in drier, volatilize after 5h under room temperature, take out evaporating dish in drier, then put into the evaporating dish filling 4g formaldehyde eliminating agent product and the beaker filling 100ml deionized water, with the concentration of formaldehyde in acetylacetone,2,4-pentanedione spectrophotometry deionized water after 24h, and calculating clearance, the formaldehyde clearance obtaining the present embodiment acquisition formaldehyde eliminating agent product is as calculated 97.9%.
The above is only preferred embodiment of the present invention, and not do any pro forma restriction to the present invention, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present invention, all falls within protection scope of the present invention.
Claims (4)
1. an indoor formaldehyde remover formula, is characterized in that: described formula comprises following component:
Adsorbing agent carrier: 100 parts;
Ethyleneurea: 16 ~ 72 parts;
Promoter: 4 ~ 5 parts;
Essence: 2 ~ 4 parts.
2. a kind of indoor formaldehyde remover formula according to claim 1, it is characterized in that: described ethyleneurea by mol ratio be the ethylenediamine of 1.5:1:0.5, urea, water adds in reactor, heating and melting also stirs, after obtaining ethyleneurea paste, add water-soluble solution again, and after filtration, dry after obtain, described ethyleneurea is white crystalline.
3. a kind of indoor formaldehyde remover formula according to claim 1, is characterized in that: described adsorbing agent carrier is the one in active carbon, attapulgite clay, silica gel or diatomite.
4. a kind of indoor formaldehyde remover formula according to claim 1, is characterized in that: described reaction promoter comprises the mixture of one or more compositions in magnesium sulfate, calcium sulfate, magnesium chloride or calcium chloride.
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| CN109647185A (en) * | 2018-12-27 | 2019-04-19 | 安徽元琛环保科技股份有限公司 | The air filting material and preparation method thereof of absorbable formaldehyde |
| CN114471541A (en) * | 2022-03-02 | 2022-05-13 | 中科鸿景(宁波)环保科技有限公司 | Indoor formaldehyde adsorption and catalysis spray and preparation method thereof |
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Application publication date: 20150325 |