CN106582204A - Waterborne VOCs absorption liquid and preparation method thereof - Google Patents
Waterborne VOCs absorption liquid and preparation method thereof Download PDFInfo
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- CN106582204A CN106582204A CN201611105708.9A CN201611105708A CN106582204A CN 106582204 A CN106582204 A CN 106582204A CN 201611105708 A CN201611105708 A CN 201611105708A CN 106582204 A CN106582204 A CN 106582204A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1487—Removing organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/50—Combinations of absorbents
- B01D2252/504—Mixtures of two or more absorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides waterborne VOCs absorption liquid and a preparation method thereof. The absorption liquid is prepared from, by weight, 3%-6% of nonionic surfactant and anionic surfactant, 1%-5% of FSO100 fluorocarbon surfactant, 1%-5% of FSN100 fluorocarbon surfactant, 1%-3% of emulsifier, 5%-10% of oilstone ester mineral oil and the balance water. By means of the absorption liquid, the emulsification effect of water and oil is enhanced, the solubility of methylbenzene is improved, the absorption amount of VOCs absorption liquid in industrial waste gas is greatly increased, the absorption efficiency of the VOCs absorption liquid in the industrial waste gas is greatly improved, the saturated absorption amount of VOCs is larger than or equal to 20 kg/t, and the absorption rate of VOCs is larger than or equal to 70%; the absorption liquid obtained after adsorption can be layered through still standing, an oil phase and a water phase are separated, and the oil phase and the water phase are recycled; the waterborne VOCs absorption liquid is not flammable and low in volatilization amount, safety is improved, the liquid viscosity is reduced, the dispersion effect generated when VOCs is absorbed is improved, and the absorption rate is increased; the oil content is low, the absorption liquid can be reused, the operating cost is low, the absorption efficiency and the saturated adsorption amount reached by a pure solvent absorption method can be achieved, and the gap of domestic absorption liquid products at present is filled in.
Description
Technical field
The present invention relates to field of environmental technology, especially relates to a kind of aqueouss VOCs absorbing liquid and preparation method thereof.
Background technology
Volatile organic matter, conventional VOCs represent that it is the words first of Volatile Organic Compounds tri-
The abbreviation of letter, total volatile organism is sometimes also with TVOC representing.
The organic exhaust gas of industrial discharge are one of important sources of air pollution, to environment for human survival and healthy
Impact is increasingly subject to extensive concern.Currently, with the industry fast development such as electronics, machinery, automobile, coating, printing, house ornamentation,
In the manufacture process of product, volatile organic matter (VOCs) gradually increases from the discharge capacity that raw material is input to each link of output of products
Greatly, main composition one of of the benzene homologues as VOCs, benzene, toluene, formaldehyde etc. increase therewith as the consumption of solvent, and human body is endangered
Evil is increasingly severe, and pollution problem of the organic exhaust gas containing benzene to air ambient is increasingly projected.
In order to ensure environmental quality and protection health, the current lot of domestic and international scholar's research process side of VOCs
Method, wherein solvent absorption can not only absorb gaseous contaminant, moreover it is possible to which pollutant are converted into useful product.Solvent absorption
It is a kind of method that the characteristic for being soluble in special solvent (or solution of addition chemical agent) using a certain VOCs is processed.
Absorption process is absorbed to VOCs using low volatility or non-volatility solvent, recycles VOCs molecules and absorbent physical property
Difference separated, the assimilation effect for processing VOCs gases with absorption process it is critical only that the performance of absorbent.
The VOCs absorbing liquids species for using both at home and abroad is a lot, and diesel oil, silicone oil, edible oil, used oil etc. are absorbed by changing
The condition such as VOCs concentration in liquid species, waste gas, makes a significant impact on VOCs waste gas absorption effects.With the prolongation of soak time,
Absorbing liquid is gradually lowered to the absorbance of VOCs, until it reaches dynamic saturation.With the increase of VOCs concentration, effective suction of absorbing liquid
Receipts amount reduces, and the increase of saturated absorption amount.Under the same conditions, diesel oil absorbtivity is maximum with saturated absorption amount, next to that food
With oil, machine oil, Polyethylene Glycol is worst with silicone oil absorption effect.
At present, the absorbent for industrially using in a large number is with traditional type (diesel oil, silicone oil, edible oil, used oil, β rings paste
Essence, sodium citrate etc.) it is in the majority.Such absorbing liquid is less to the absorbtivity of VOCs, and absorbability is limited, and absorption efficiency is low, it is difficult to
Meet the demand of industrial waste gas process, additionally, such absorbing liquid belongs to inflammable thing, price is also in rising, and has volatility, easily
Produce secondary pollution.It is difficult to regenerate after such absorbing liquid saturation, generally discharges together with waste liquid, it is difficult to realizes recycling, make
Into a certain degree of wasting of resources.
The content of the invention
The main object of the present invention solves current VOCs and absorbs to provide a kind of aqueouss VOCs absorbing liquid and preparation method thereof
Liquid high cost, the problem being not easily recycled.
The present invention proposes a kind of aqueouss VOCs absorbing liquid, and component by weight includes：
3%～6% nonionic surfactant and anionic surfactant；
1%-5%FSO100 fluorocarbon surfactants；
1%-5%FSN100 fluorocarbon surfactants；
1%-3% emulsifying agents；
5%-10% oilstone ester mineral oil；
Balance of water.
Preferably, component by weight includes：
3%～5% nonionic surfactant and anionic surfactant；
1%-4%FSO100 fluorocarbon surfactants；
1%-4%FSN100 fluorocarbon surfactants；
1%-3% emulsifying agents；
6%-10% oilstone ester mineral oil；
Balance of water.
Preferably, component by weight includes：
3%～4% nonionic surfactant and anionic surfactant；
1%-3%FSO100 fluorocarbon surfactants；
1%-3%FSN100 fluorocarbon surfactants；
1%-2% emulsifying agents；
8%-10% oilstone ester mineral oil；
Balance of water.
Preferably, also include：
The butanol of 0.04% weight portion.
Preferably, the nonionic surfactant includes Tween-20, AEO-14-2, aliphatic acid polyethenoxy；
The anionic surfactant includes fatty amine-polyoxyethylene ether-sodium sulfate, fatty acid sulfoalkyl ester, alkane
Base benzene sulfonic acid sodium salt；
The nonionic surfactant of addition at least includes one kind；
The anionic surfactant of addition at least includes one kind.
Preferably, the HLB value of the emulsifying agent is 16.7.
Present invention also offers a kind of method for preparing aqueouss VOCs absorbing liquid, comprises the following steps：
Oilstone ester mineral oil is mixed with water；
Emulsifying agent, nonionic surfactant or anionic surface activity are separately added in the state of stirring at normal temperature
Agent, FSO100 and FSN100 fluorocarbon surfactants, butanol；
Stand emulsifying.
Preferably, the time for standing emulsifying is 1～2h.
Preferably, after all materials are added, it is kept stirring for 20min.
Preferably, the time for standing emulsifying is 1.5h.
A kind of aqueouss VOCs absorbing liquid proposed by the present invention, component by weight include：3%～6% nonionic table
Face activating agent and/or anionic surfactant；1%-5%FSO100 fluorocarbon surfactants；1%-5%FSN100 fluorine carbon
Surfactant；1-3% emulsifying agents；5-10% oilstone ester mineral oil；Balance of water.The absorbing liquid of the present invention enhances water oil
Emulsifying effectiveness, increased the dissolubility of toluene, substantially increase the absorbtivity and absorption efficiency of VOCs absorbing liquids in industrial waste gas,
Saturated absorption amount >=the 20kg/t of VOCs, absorbance >=70% of VOCs；Absorbing liquid after absorption can be separated by stratification
Water-oil phase, obtains the oil phase comprising Organic substances such as toluene, reclaims the water phase dissolved with surfactant, and oil phase is by distilling regeneration
The higher toluene of purity is obtained, reach the degree for recycling, it is to avoid wasting of resources situation, successfully solve absorbing liquid
Secondary pollution problem；Nonflammable, volatile quantity is low, improves safety, reduces liquid viscosity, improves when absorbing VOCs
Dispersion effect, accelerates absorption rate；Oil content is low, and can reuse, and operating cost is low, while can reach neat solvent suction
Absorption efficiency and saturated extent of adsorption that receipts method is reached, have filled up the current domestic blank for absorbing liquid product.
Description of the drawings
HPLC chromatograms of the Fig. 1 for emulsion (A)；
HPLC chromatograms of the Fig. 2 for emulsion (B)；
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
Embodiment 1
VOCs absorbing liquids, component by weight include：
2% nonionic surfactant, nonionic surfactant can be Tween-20, AEO-14-2, fat
Sour Polyethylene oxide, nonionic surfactant at least include one kind；
1% anionic surfactant, anionic surfactant can be fatty amine-polyoxyethylene ether-sulphuric acid
Sodium, fatty acid sulfoalkyl ester, sodium alkyl benzene sulfonate, anionic surfactant at least include one kind；
1%FSO100 fluorocarbon surfactants；
1%FSN100 fluorocarbon surfactants；
1% emulsifying agent；
5% oilstone ester mineral oil；
Balance of water.
Embodiment 2
VOCs absorbing liquids, component by weight include：
1% nonionic surfactant, nonionic surfactant can be Tween-20, AEO-14-2, fat
Sour Polyethylene oxide, nonionic surfactant at least include one kind；
5% anionic surfactant, anionic surfactant can be fatty amine-polyoxyethylene ether-sulphuric acid
Sodium, fatty acid sulfoalkyl ester, sodium alkyl benzene sulfonate, anionic surfactant at least include one kind；
5%FSO100 fluorocarbon surfactants；
5%FSN100 fluorocarbon surfactants；
3% emulsifying agent；
10% oilstone ester mineral oil；
Balance of water.
Embodiment 3
VOCs absorbing liquids, component by weight include：
3% nonionic surfactant, nonionic surfactant can be Tween-20, AEO-14-2, fat
Sour Polyethylene oxide, nonionic surfactant at least include one kind；
2% anionic surfactant, anionic surfactant can be fatty amine-polyoxyethylene ether-sulphuric acid
Sodium, fatty acid sulfoalkyl ester, sodium alkyl benzene sulfonate, anionic surfactant at least include one kind；
1%FSO100 fluorocarbon surfactants；
1%FSN100 fluorocarbon surfactants；
1% emulsifying agent；
5% oilstone ester mineral oil；
0.04% butanol；
Balance of water.
Embodiment 4
VOCs absorbing liquids, component by weight include：
2% nonionic surfactant, nonionic surfactant can be Tween-20, AEO-14-2, fat
Sour Polyethylene oxide, nonionic surfactant at least include one kind；
1% anionic surfactant, anionic surfactant can be fatty amine-polyoxyethylene ether-sulphuric acid
Sodium, fatty acid sulfoalkyl ester, sodium alkyl benzene sulfonate, anionic surfactant at least include one kind；
5%FSO100 fluorocarbon surfactants；
5%FSN100 fluorocarbon surfactants；
3% emulsifying agent；
10% oilstone ester mineral oil；
0.04% butanol；
Balance of water.
Embodiment 5
VOCs absorbing liquids, component by weight include：
3% nonionic surfactant, nonionic surfactant can be Tween-20, AEO-14-2, fat
Sour Polyethylene oxide, nonionic surfactant at least include one kind；
1% anionic surfactant, anionic surfactant can be fatty amine-polyoxyethylene ether-sulphuric acid
Sodium, fatty acid sulfoalkyl ester, sodium alkyl benzene sulfonate, anionic surfactant at least include one kind；
1%FSO100 fluorocarbon surfactants；
1%FSN100 fluorocarbon surfactants；
1% emulsifying agent；
6% oilstone ester mineral oil；
0.04% butanol；
Balance of water.
Embodiment 6
VOCs absorbing liquids, component by weight include：
2% nonionic surfactant, nonionic surfactant can be Tween-20, AEO-14-2, fat
Sour Polyethylene oxide, nonionic surfactant at least include one kind；
2% anionic surfactant, anionic surfactant can be fatty amine-polyoxyethylene ether-sulphuric acid
Sodium, fatty acid sulfoalkyl ester, sodium alkyl benzene sulfonate, anionic surfactant at least include one kind；
4%FSO100 fluorocarbon surfactants；
4%FSN100 fluorocarbon surfactants；
3% emulsifying agent；
10% oilstone ester mineral oil；
0.04% butanol；
Balance of water.
Embodiment 7
VOCs absorbing liquids, component by weight include：
3%～6% nonionic surfactant and anionic surfactant, nonionic surfactant can be with
It is Tween-20, AEO-14-2, aliphatic acid polyethenoxy, nonionic surfactant at least includes a kind of；Anionic table
Face activating agent can be fatty amine-polyoxyethylene ether-sodium sulfate, fatty acid sulfoalkyl ester, sodium alkyl benzene sulfonate, anionic table
Face activating agent at least includes one kind；
1%-5%FSO100 fluorocarbon surfactants；
1%-5%FSN100 fluorocarbon surfactants；
1%-3% emulsifying agents；
5%-10% oilstone ester mineral oil；
0.04% butanol；
Balance of water.
Embodiment 8
VOCs absorbing liquids, component by weight include：
2% nonionic surfactant, nonionic surfactant can be Tween-20, AEO-14-2, fat
Sour Polyethylene oxide, nonionic surfactant at least include one kind；
2% anionic surfactant, anionic surfactant can be fatty amine-polyoxyethylene ether-sulphuric acid
Sodium, fatty acid sulfoalkyl ester, sodium alkyl benzene sulfonate, anionic surfactant at least include one kind；
3%FSO100 fluorocarbon surfactants；
3%FSN100 fluorocarbon surfactants；
2% emulsifying agent；
10% oilstone ester mineral oil；
0.04% butanol；
Balance of water.
The collocation method of VOCs absorbing liquids is：Oilstone ester mineral oil is mixed with water, in the state of stirring at normal temperature respectively
Add emulsifying agent, nonionic surfactant or anionic surfactant, FSO100 and FSN100 fluoro-carbon surface actives
Agent, butanol, are kept stirring for 20min；Stand 1～2h of emulsifying.
VOCs absorbing liquids simulate absorption experiment
Gas absorbing device, including filtering flask are set up, rubber tube is some, hold absorption bottle (the band bottle of VOCs absorbing liquids
Plug), the rubber stopper being adapted to filtering flask bottleneck with grass tube, nitrogen cylinder and decompressor, mass air flow sensor.Filtering flask adds
Enter about 100ml～200ml Tianna solutions, cover rubber stopper, make below grass tube under mouth of pipe immersed in liquid level.The conduit other end is used
Rubber tube is connected with Nitrogen source gases.300mlVOCs absorbing liquids are added in absorption bottle, bottle cap is covered, two holes on bottle cap, are opened up, one
Individual insertion grass tube, to being close at bottom of bottle in mouth of pipe insertion absorbing liquid below conduit, another opening connects a rubber tube, rubber tube
The other end is arranged at outdoor or exhaust outlet.Filtering flask arm is connected with the mouth of pipe above the grass tube on absorption bottle.Check
After the air-tightness of device, nitrogen is passed through toward in device, gas flow optimized is in 30～50L/min.
After ventilation 8h, VOCs absorbing liquids to be measured reach saturation, and the absorbing liquid of saturation to be measured is shaken up carries out standing observation, survey
Test result is as follows：
| Sample type | Waste gas |
| Inspection project | TVOC |
| Standard for manual sampling | GB/T16157-1996 |
| Examination criteria | GB/T18883-2002 |
| Detection environment | 24.6 DEG C, air humidity 61% |
| Inlet concentration (mg/m3) | 496 |
| Exit concentration (mg/m3) | 109 |
In above-mentioned test result, due to sample component complicated difficult it is qualitative to carry out to each component, as a result with CCV0.3 μ g
In toluene peak area quantitative analyses are carried out to TVOC.
Under conditions of this device, the initial absorption efficiency 78% of VOCs absorbing liquids.
The VOCs absorbing liquids absorbed after waste gas are designated as into emulsion (A).Using suction of the gas absorbing device to another manufacturer
Receive liquid to be tested under similarity condition, obtain the contrast VOCs absorbing liquids after absorbing waste gas, be designated as emulsion (B), use
HPLC is measured to the toluene level in emulsion (A) and emulsion (B), obtains the collection of illustrative plates of Fig. 1 and Fig. 2, and experimental result is such as
Under：
| Sample number into spectrum | Sample ID | Test event | Test result (%) |
| 2016070139-1 | Emulsion (A) | Toluene level | 1.3576 |
| 2016070139-2 | Emulsion (B) | Toluene level | 1.0870 |
As seen from the above table, the adsorbable more toluene of VOCs absorbing liquids of the invention, adsorbance are bigger, than
The adsorbance of 2016070139-2 many 25%.
Emulsion (A) and emulsion (B) are stood into seven days, it is existing that apparent layering occurs in the emulsion (A) that the present invention is obtained
As, upper strata is to separate as Tianna solution layer, middle level is the mineral oil and surfactant layer separated, lower floor be water and
A small amount of surfactant layer.And emulsion (B) as a comparison is still presented white milkiness shape, without layering.In contrast, this
Bright emulsion (A) saturation regeneration is easy, absorbing liquid stratification, and, mainly in oil phase, oil-water separation is biphase for the Organic substance such as toluene,
Can mutually continue with liquid dissolved with the water of surfactant, oil phase obtains the higher toluene of purity by distilling regeneration, and absorbing liquid reaches
Arrive the degree for recycling, it is to avoid wasting of resources situation, successfully solve the secondary pollution problem of absorbing liquid；And contrast
Emulsion (B) it is not stratified, difficult treatment, processing cost are high, are not easily recycled.
A kind of aqueouss VOCs absorbing liquid proposed by the present invention, component by weight include：3%～6% nonionic table
Face activating agent and/or anionic surfactant；1%-5%FSO100 fluorocarbon surfactants；1%-5%FSN100 fluorine carbon
Surfactant；1-3% emulsifying agents；5-10% oilstone ester mineral oil；Balance of water.The absorbing liquid of the present invention enhances water oil
Emulsifying effectiveness, increased the dissolubility of toluene, substantially increase the absorbtivity and absorption efficiency of VOCs absorbing liquids in industrial waste gas,
Saturated absorption amount >=the 20kg/t of VOCs, absorbance >=70% of VOCs；Absorbing liquid after absorption can be separated by stratification
Water-oil phase, obtains the oil phase comprising Organic substances such as toluene, reclaims the water phase dissolved with surfactant, and oil phase is by distilling regeneration
The higher toluene of purity is obtained, reach the degree for recycling, it is to avoid wasting of resources situation, successfully solve absorbing liquid
Secondary pollution problem；Nonflammable, volatile quantity is low, improves safety, reduces liquid viscosity, improves when absorbing VOCs
Dispersion effect, accelerates absorption rate；Oil content is low, and can reuse, and operating cost is low, while can reach neat solvent suction
Absorption efficiency and saturated extent of adsorption that receipts method is reached, have filled up the current domestic blank for absorbing liquid product.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the present invention, every utilization is not thereby limited
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of aqueouss VOCs absorbing liquid, it is characterised in that component by weight includes：
3%～6% nonionic surfactant and anionic surfactant；
1%-5%FSO100 fluorocarbon surfactants；
1%-5%FSN100 fluorocarbon surfactants；
1%-3% emulsifying agents；
5%-10% oilstone ester mineral oil；
Balance of water.
2. aqueouss VOCs absorbing liquid according to claim 1, it is characterised in that component by weight includes：
3%～5% nonionic surfactant and anionic surfactant；
1%-4%FSO100 fluorocarbon surfactants；
1%-4%FSN100 fluorocarbon surfactants；
1%-3% emulsifying agents；
6%-10% oilstone ester mineral oil；
Balance of water.
3. aqueouss VOCs absorbing liquid according to claim 1, it is characterised in that component by weight includes：
3%～4% nonionic surfactant and anionic surfactant；
1%-3%FSO100 fluorocarbon surfactants；
1%-3%FSN100 fluorocarbon surfactants；
1%-2% emulsifying agents；
8%-10% oilstone ester mineral oil；
Balance of water.
4. the aqueouss VOCs absorbing liquid according to claim 1-3 any one, it is characterised in that also include：
The butanol of 0.04% weight portion.
5. the aqueouss VOCs absorbing liquid according to claim 1-3 any one, it is characterised in that：
The nonionic surfactant includes Tween-20, AEO-14-2, aliphatic acid polyethenoxy；
The anionic surfactant includes fatty amine-polyoxyethylene ether-sodium sulfate, fatty acid sulfoalkyl ester, alkylbenzene
Sodium sulfonate；
The nonionic surfactant of addition at least includes one kind；
The anionic surfactant of addition at least includes one kind.
6. the aqueouss VOCs absorbing liquid according to claim 1-3 any one, it is characterised in that：
The HLB value of the emulsifying agent is 16.7.
7. a kind of method for preparing aqueouss VOCs absorbing liquid, it is characterised in that comprise the following steps：
Oilstone ester mineral oil is mixed with water；
Be separately added in the state of stirring at normal temperature emulsifying agent, nonionic surfactant or anionic surfactant,
FSO100 and FSN100 fluorocarbon surfactants, butanol；
Stand emulsifying.
8. it is according to claim 7 prepare aqueouss VOCs absorbing liquid method, it is characterised in that：
The time for standing emulsifying is 1～2h.
9. it is according to claim 7 prepare aqueouss VOCs absorbing liquid method, it is characterised in that：
After all materials are added, 20min is kept stirring for.
10. it is according to claim 7 prepare aqueouss VOCs absorbing liquid method, it is characterised in that：
The time for standing emulsifying is 1.5h.
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| CN108905516A (en) * | 2018-07-05 | 2018-11-30 | 深圳市天得环境科技有限公司 | Handle the micro emulsion absorbing liquid, preparation method and application of " triphen " organic exhaust gas |
| CN108905516B (en) * | 2018-07-05 | 2021-05-04 | 深圳市天得一环境科技有限公司 | Microemulsion absorption liquid for treating triphen organic waste gas, preparation method and application thereof |
| CN109731443A (en) * | 2019-03-18 | 2019-05-10 | 上海超高环保科技股份有限公司 | Administer the used oil spray equipment and preparation method thereof of volatile organic matter |
| CN113491926A (en) * | 2020-04-02 | 2021-10-12 | 中国石油天然气股份有限公司 | Pretreatment method of VOCs waste gas |
| CN112473323A (en) * | 2020-11-06 | 2021-03-12 | 中物院成都科学技术发展中心 | Industrial acetone tail gas separation and recovery device |
| CN112473323B (en) * | 2020-11-06 | 2022-05-31 | 中物院成都科学技术发展中心 | Industrial acetone tail gas separation and recovery device |
| CN114618266A (en) * | 2020-12-10 | 2022-06-14 | 中国石油天然气股份有限公司 | Solubilization absorbent, preparation method thereof and organic waste gas treatment method |
| CN114618266B (en) * | 2020-12-10 | 2023-07-25 | 中国石油天然气股份有限公司 | Solubilizing absorbent, preparation method thereof and treatment method of organic waste gas |
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