CN105251317A - Absorption liquid for organic waste gas and preparation method thereof - Google Patents
Absorption liquid for organic waste gas and preparation method thereof Download PDFInfo
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- CN105251317A CN105251317A CN201510777516.1A CN201510777516A CN105251317A CN 105251317 A CN105251317 A CN 105251317A CN 201510777516 A CN201510777516 A CN 201510777516A CN 105251317 A CN105251317 A CN 105251317A
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Abstract
The invention relates to absorption liquid for organic waste gas and application thereof. The absorption liquid is prepared from, by mass, 0.1-10% of alkyl glycoside, 0.1-10% of ether matter, 0.1-5% of inorganic salt, 0.05-1% of assistant and the balance water. The absorption liquid is suitable for treating organic waste gas, good in stability, capable of absorbing organic waste gas efficiently, low in foaming rate or free of foaming and environmentally friendly.
Description
Technical field
The invention belongs to the technical field of Organic Waste Gas Pollution thing process.A kind of liquid for absorbing waste organic gas and preparation method thereof is disclosed specifically.
Background technology
VOCs has photochemical activity, and being discharged in air is the important precursor forming fine particle (PM2.5) and ozone, is the important root of city haze and photochemical pollution.Except environmental toxicity, major part VOCs (as benzene class, halogenated hydrocarbon etc.) is all toxic, Long Term Contact not only has spread effect to the skin of people, eye, nose, throat, easy generation outer skin damage, also produce adverse effect to the liver of people, kidney and central nervous system, part even has teratogenesis carcinogenicity and genetoxic.
VOCs pollutant abatement technology is mainly divided into traditional treatment technology and emerging treatment technology, and wherein traditional treatment technology mainly comprises heat damage method, absorption process, absorption method, condensation method, bioanalysis etc.
Absorption process cleaning organic waste gas has that technique is simple, investment and operating cost is low and the advantage such as wide accommodation.One of its key is selection and the formula of absorbent, and the feature that desirable absorbent should have has: large to the absorptive capacity of organic exhaust gas; Non-oxidizability, or anti-foaming are good, can Long-Time Service; Viscosity is low, and to the corrosion-free effect of equipment, to human body and environmental friendliness.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of new absorbent, for the absorption process of organic exhaust gas, and makes the absorbing liquid of development can possess the feature of above desirable absorption agent.
The present invention is achieved through the following technical solutions:
A kind of liquid for absorbing waste organic gas, is formed by the combination of components of following weight portion: APG 0.1-10%; Ether material 0.1-10%, inorganic salts 0.1-5%, auxiliary agent 0.05-1%, remaining is water.
Absorbing liquid of the present invention, described APG is one or both any mixing match in lauryl glucosyl, cetyl glucoside.
Absorbing liquid of the present invention, described ether material is any mixing match of one or more in dimethyl ether, diethylene glycol dimethyl ether, propylene glycol monomethyl ether, tetraethyleneglycol dimethyl ether, TRIGLYME.
Absorbing liquid of the present invention, described inorganic salts are any mixing match of one or more in the carbonate of potassium or sodium, nitrate, chloride.
Absorbing liquid of the present invention, described auxiliary agent is any mixing match of one or more in polyoxyethylene polypropylene glycerin ether, dimethyl silicone polymer, emulsification glycerine, polyethylene glycol, diethyl hydroxylamine, di-n-butylamine.
The preparation method of absorbing liquid of the present invention, carry out as follows: after described water, APG, auxiliary agent, inorganic salts mixing, 15-30 minute is stirred incessantly under 30-50 DEG C of water bath condition, ether material is added after leaving standstill cooling, and stir, finally obtain a kind of liquid for absorbing waste organic gas.
The each component used in the present invention has following character: APG, especially glucoside, it is a kind of non-ionic surface active agent of new green environment protection, soluble in water, comparatively be soluble in conventional organic solvent, stability is strong, can be biodegradable completely at occurring in nature, nonirritant, substantially nontoxic.Ether material (for dimethyl ether), soluble in water and conventional organic solvent, to the higher security of health, the U.S. and European Union are classified as the green solvent of NonHAP/NAP (Nonhazardousinthelistofairpollution).Inorganic salts are sylvite soluble in water or sodium salt, and character is gentle, basic in neutral.Auxiliary agent is organic matter, has the function of froth breaking, dispersion.
In above-mentioned absorbing liquid component, inorganic salts and water belong to inorganic phase, and APG, ether material, auxiliary agent belong to organic phase.APG is as the one of surfactant, and surface tension is low, all has good intermiscibility with water and organic matter, can effectively absorb organic principle in waste gas; The auxiliary agent of appropriate interpolation effectively can suppress the generation of foam in APG solution, can substantially keep APG solution to the absorption function of organic exhaust gas again; Ether material inherently uses as the organic solvent of environment-friendly type, very good with the intermiscibility of organic component in waste gas, greatly can improve the assimilation effect of absorbing liquid; The effect mainly K of inorganic salts
+, Na
+have compressed the hydrated sheath of APG polar head Deng counter ion, also may be embedded in the middle of the gap between alkyl polyglycoside molecule, cause the interaction of APG and hydrone to weaken, play the effect of solubilising.
The APG used in the present invention is normally applied in washing agent as a kind of non-ionic surface active agent, ether material uses mainly as solvent or cosolvent, polyoxyethylene polypropylene glycerin ether, dimethyl silicone polymer, the auxiliary agents such as emulsification glycerine use mainly as a kind of defoamer, not yet have above-mentioned several material jointly as the application that liquid for absorbing waste organic gas component uses, the present invention is by being undertaken used in combination by above several material, give full play to the characteristic of different material, it is made to produce synergy, both improve the absorptive capacity to organic exhaust gas, infiltration rate and absorption efficiency, the good non-oxidizability that made again absorbent possess, or anti-foaming, and it is nontoxic, harmless, corrosion-free effect, it is one organic exhaust gas absorbent safely and effectively.
Detailed description of the invention
Below by way of concrete experimental data, technical scheme of the present invention is conducted further description.
Following examples all adopt filler spray column to carry out organic exhaust gas absorption, tower height 3.2m, effective filler total height 1.2m, tower diameter 0.8m, empty tower gas velocity 0.55m/s, gas flow 1000m
3/ h, liquid-gas ratio 2-10L/s.
Example one
Absorbing liquid is made up of the component of following percentage by weight: water 93%, lauryl glucosyl 5%, dimethyl ether 1%, sodium chloride 0.5%, di-n-butylamine 0.5%.In organic exhaust gas, organic matter is only containing dimethylbenzene, mean air entry concentration 500mg/m
3, during continuous absorption 2h, dimethylbenzene concentration of emission 81mg/m
3, absorptivity is stabilized in about 84%.
Example two
Absorbing liquid is made up of the component of following percentage by weight: water 96.1%, lauryl glucosyl 3%, dimethyl ether 0.5%, sodium acetate 0.1%, polyethylene glycol 0.3%.In organic exhaust gas, organic matter is only containing ethyl acetate, mean air entry concentration 300mg/m
3, during continuous absorption 2h, ethyl acetate concentration of emission 27mg/m
3, absorptivity is stabilized in about 91%.
Example three
Absorbing liquid forms: water 92.5%, cetyl glucoside 5%, dimethyl ether 1%, potassium chloride 1%, diethyl hydroxylamine 0.5%.In organic exhaust gas, organic matter is only containing acetone, mean air entry concentration 300mg/m
3, during continuous absorption 2h, acetone concentration of emission 66mg/m
3, absorptivity is stabilized in about 78%.
Example four
Absorbing liquid forms: water 91%, lauryl glucosyl 5%, dimethyl ether 2%, sodium acetate 1%, di-n-butylamine 1%.In organic exhaust gas, organic matter comprises dimethylbenzene, ethyl acetate, acetone, mean air entry concentration dimethylbenzene 500mg/m
3, ethyl acetate 300mg/m
3, acetone 300mg/m
3.During continuous absorption 2h, dimethylbenzene concentration of emission 108mg/m
3, absorptivity is stabilized in about 78.61%; Ethyl acetate concentration of emission 44mg/m
3, absorptivity is stabilized in about 85.33%; Acetone concentration of emission 82mg/m
3, absorptivity is stabilized in about 72.2%.
Claims (6)
1. a liquid for absorbing waste organic gas, is characterized in that being formed by the combination of components of following weight portion: APG 0.1-10%; Ether material 0.1-10%, inorganic salts 0.1-5%, auxiliary agent 0.05-1%, remaining is water.
2. the absorbing liquid as described in right 1, it is characterized in that APG is one or both any mixing match in lauryl glucosyl, cetyl glucoside, its total percentage by weight is 1-8%.
3. the absorbing liquid as described in right 1, it is characterized in that ether material is any mixing match of one or more in dimethyl ether, diethylene glycol dimethyl ether, propylene glycol monomethyl ether, tetraethyleneglycol dimethyl ether, TRIGLYME, its total percentage by weight is 1-5%.
4. the absorbing liquid as described in right 1, is characterized in that, inorganic salts are any mixing match of one or more in the carbonate of potassium or sodium, nitrate, chloride, and its total percentage by weight is 1-2%.
5. the absorbing liquid as described in right 1, is characterized in that, auxiliary agent is any mixing match of one or more in polyoxyethylene polypropylene glycerin ether, dimethyl silicone polymer, emulsification glycerine, polyethylene glycol, diethyl hydroxylamine, di-n-butylamine.
6. the preparation method of the absorbing liquid as described in right 1-5, it is characterized in that, carry out as follows: after described water, APG, auxiliary agent, inorganic salts mixing, 15-30 minute is stirred incessantly under 30-50 DEG C of water bath condition, ether material is added after leaving standstill cooling, and stir, finally obtain a kind of liquid for absorbing waste organic gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510777516.1A CN105251317A (en) | 2015-11-13 | 2015-11-13 | Absorption liquid for organic waste gas and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510777516.1A CN105251317A (en) | 2015-11-13 | 2015-11-13 | Absorption liquid for organic waste gas and preparation method thereof |
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| CN105251317A true CN105251317A (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510777516.1A Pending CN105251317A (en) | 2015-11-13 | 2015-11-13 | Absorption liquid for organic waste gas and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110881A (en) * | 2016-06-23 | 2016-11-16 | 杨添凯 | A kind of exhaust gas treating agent |
| CN106853321A (en) * | 2017-01-16 | 2017-06-16 | 安徽师范大学 | A kind of industrial waste gas absorbing liquid and preparation method thereof |
| CN107497190A (en) * | 2017-09-25 | 2017-12-22 | 安徽中马橡塑制品有限公司 | One kind extracting workshop dustproof filtering device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844025A (en) * | 2010-03-31 | 2010-09-29 | 环境保护部华南环境科学研究所 | Organic waste gas microemulsion absorbent, and preparation method and use thereof |
| WO2011079120A1 (en) * | 2009-12-23 | 2011-06-30 | Resonant Biosciences, Llc | Apparatus and method for treatment of volatile organic compounds in air emissions produced during fermentation processes |
| CN104324583A (en) * | 2014-10-14 | 2015-02-04 | 广州立白企业集团有限公司 | Efficient low-toxicity formaldehyde scavenger |
| CN104841254A (en) * | 2015-05-20 | 2015-08-19 | 上海艳紫化工科技有限公司 | Indoor formaldehyde scavenger |
-
2015
- 2015-11-13 CN CN201510777516.1A patent/CN105251317A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011079120A1 (en) * | 2009-12-23 | 2011-06-30 | Resonant Biosciences, Llc | Apparatus and method for treatment of volatile organic compounds in air emissions produced during fermentation processes |
| CN101844025A (en) * | 2010-03-31 | 2010-09-29 | 环境保护部华南环境科学研究所 | Organic waste gas microemulsion absorbent, and preparation method and use thereof |
| CN104324583A (en) * | 2014-10-14 | 2015-02-04 | 广州立白企业集团有限公司 | Efficient low-toxicity formaldehyde scavenger |
| CN104841254A (en) * | 2015-05-20 | 2015-08-19 | 上海艳紫化工科技有限公司 | Indoor formaldehyde scavenger |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110881A (en) * | 2016-06-23 | 2016-11-16 | 杨添凯 | A kind of exhaust gas treating agent |
| CN106853321A (en) * | 2017-01-16 | 2017-06-16 | 安徽师范大学 | A kind of industrial waste gas absorbing liquid and preparation method thereof |
| CN107497190A (en) * | 2017-09-25 | 2017-12-22 | 安徽中马橡塑制品有限公司 | One kind extracting workshop dustproof filtering device |
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