CN103252155A - Device for treating organic waste gas with oil-in-water emulsion and method for treating organic waste gas - Google Patents
Device for treating organic waste gas with oil-in-water emulsion and method for treating organic waste gas Download PDFInfo
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- CN103252155A CN103252155A CN2013101913440A CN201310191344A CN103252155A CN 103252155 A CN103252155 A CN 103252155A CN 2013101913440 A CN2013101913440 A CN 2013101913440A CN 201310191344 A CN201310191344 A CN 201310191344A CN 103252155 A CN103252155 A CN 103252155A
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- organic exhaust
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000007789 gas Substances 0.000 title abstract description 56
- 239000007764 o/w emulsion Substances 0.000 title abstract description 7
- 239000010815 organic waste Substances 0.000 title abstract 8
- 239000000839 emulsion Substances 0.000 claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000010521 absorption reaction Methods 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims abstract description 8
- 239000012071 phase Substances 0.000 claims description 20
- 239000006096 absorbing agent Substances 0.000 claims description 9
- 230000002745 absorbent Effects 0.000 claims description 8
- 239000002250 absorbent Substances 0.000 claims description 8
- 239000003610 charcoal Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000007791 liquid phase Substances 0.000 claims description 6
- 239000003995 emulsifying agent Substances 0.000 claims description 5
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 4
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 claims description 4
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 6
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 5
- 239000006260 foam Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- RLFWWDJHLFCNIJ-UHFFFAOYSA-N 4-aminoantipyrine Chemical compound CN1C(C)=C(N)C(=O)N1C1=CC=CC=C1 RLFWWDJHLFCNIJ-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000000809 air pollutant Substances 0.000 description 2
- 231100001243 air pollutant Toxicity 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007970 homogeneous dispersion Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention aims to provide a device for treating organic waste gas with an oil-in-water emulsion and a method for treating organic waste gas. The device for treating organic waste gas with an oil-in-water emulsion comprises a packed absorption tower, an oil-in-water emulsion circulating spray device and an oil-water separator which are sequentially connected. The device for treating organic waste gas with an oil-in-water emulsion is simple in structure and convenient to use; the oil phase in the organic waste gas can be absorbed and removed by the oil-in-water emulsion, and the removal efficiency is up to 90-99%; the removal efficiency of dust and particulate matters is up to 98% or above, thus greatly reducing the discharge of dust pollution; a skimmer ensures the treatment efficiency and causes no secondary pollution; and the oil phase and the emulsion are separated by the oil-water separator, and the separated emulsion can absorb the oil phase of the organic waste gas in a circulating manner, thereby improving the circular economy, greatly reducing the consumption of resources such as water and the like, and lowering the operating cost.
Description
Technical field
The present invention relates to a kind of oil-in-water is that emulsion is administered the device of organic exhaust gas and the method for administering organic exhaust gas thereof, belongs to the waste gas purification technical field.
Background technology
Atmosphere pollution is one of present outstanding problem of environmental pollution of China, industrial waste gas is the main source of atmosphere pollution, agricultural, social environment, natural environment and health of people are had serious harm, and " 12 " planning will be set up nationwide atmosphere environment supervision.Organic exhaust gas is refractory one of body of regulating the flow of vital energy in the industrial waste gas, can produce various organic compounds in the industrial production, mainly comprise various hydro carbons, alcohols, aldehydes, acids, ketone and amine etc., organic exhaust gas can enter human body by respiratory tract and skin, cause temporary and permanent pathology can for people's system such as breathing, blood, liver and organ, be detrimental to health.Organic wastewater soluble in water is adopted conventional improvement method usually, as absorption, condensation, absorption etc.; And to being insoluble in the organic wastewater of water, administer complex process, cost of investment height at present, and governance efficiency is not ideal.
Absorption method is the method that a kind of improvement commonly used contains volatile organic matter, and wherein active carbon adsorption is most widely used, but it have non-refractory, under moistening condition, can not keep good adsorption capacity, inflammable, cost is high and the shortcoming of secondary pollution etc.
Absorption process is the chemical separating operation of morning, technical maturity, applied range of a kind of development, can recycle pollutant simultaneously at the elimination gaseous contaminant, and be one of atmosphere improvement technology commonly used.The height of absorption process absorption efficiency depends primarily on absorbent.
Summary of the invention
The purpose of this invention is to provide a kind of oil-in-water is that emulsion is administered the device of organic exhaust gas and the method for administering organic exhaust gas thereof.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of oil-in-water is the device that emulsion is administered organic exhaust gas, comprises that packed absorber, oil-in-water that order is joined are emulsion circulating sprayer and oil water separator.
The applicant finds after deliberation: packed absorber and oil-in-water are that to utilize oil-in-water be that emulsion can efficiently be removed oil phase and the dust granules thing in the organic exhaust gas to the emulsion circulating sprayer, and isolate liquid phase and oil phase by oil water separator, thereby the oil-in-water in the recycling liquid phase is emulsion and reclaims oil phase, reduces resource consumptions such as water body greatly; Emulsion is as a kind of absorbent, the surface has hydrophilic group and lipophilic group, can make immiscible two-phase (as oil and water) miscible mutually, and formation homogeneous dispersion or emulsified body, thereby change original physical state, and absorbed the emulsion of oil phase in the organic exhaust gas, according to the similar principle that mixes, absorption efficiency to oil phase in the organic exhaust gas can significantly improve, and removes the oil phase in the organic exhaust gas substantially.
Above-mentioned emulsion spray equipment comprises emulsion box, fluid level controller.
In order to improve the detergence(-cy) of device, above-mentioned gas skirt and the gas gathering manifold that is cascaded that also comprise, gas gathering manifold is connected with packed absorber.
In order to guarantee the regulation effect of emulsion, comprise that also with oil-in-water be the demister that the emulsion circulating sprayer is connected.
Above-mentioned demister is mainly used in suppressing emulsion and absorbs the foam that organic exhaust gas produces, guarantee that oil-in-water is the removal efficient of emulsion, its principle is to utilize breaking-froth breaking effect, need to add in breakdown of emulsion and the froth breaking process emulsifying agent of adverse effect at some, with the balance of destruction emulsion, thus the generation of inhibition foam.
In order further to improve the detergence(-cy) of device, also comprise the absorbent charcoal adsorber that is connected with demister.
Administer the back gas purging for convenience, also comprise the air-introduced machine that links to each other with absorbent charcoal adsorber.
Above-mentioned absorbent charcoal adsorber can not established yet, and when not establishing, air-introduced machine links to each other with demister.
Above-mentioned oil-in-water is the method that emulsion is administered the device improvement organic exhaust gas of organic exhaust gas, comprises the following steps that order is joined:
A, organic exhaust gas are the emulsion circulating sprayer through packed absorber and oil-in-water successively;
The liquid of B, spray equipment gained through oil water separator separate liquid phase and oil phase;
The liquid phase of gained enters spray equipment and recycles among C, the step B;
D, the oil phase of gained among the step B reclaimed purify, directly as solvent naphtha or be used as fuel.
Oil-in-water be in the emulsion circulating sprayer used emulsion can for cationic, anionic with and nonionic.
In order to improve the efficient of improvement, oil-in-water is that used emulsion is that mass concentration is the oil-in-water emulsion of 1-10% in the emulsion circulating sprayer.
Above-mentioned emulsion refers to the solution of emulsifying agent.
The applicant finds after deliberation: adopt above-mentioned emulsion, can make oil phase solubilising in water of hydrophobicity organic exhaust gas can effectively remove the oil phase that is insoluble in water (solubility in water is less than 5%) in the organic exhaust gas more than 65%.
In order to improve the stability of emulsion, improve the efficient of administering simultaneously, described oil-in-water is that the used emulsifying agent of emulsion is NPE, the mass ratio of nonyl phenol and oxirane is 1:(1-4 in the raw material of NPE).
In order to improve the efficient of improvement, the temperature that emulsion absorbs organic exhaust gas is 15～50 ℃, and gas liquid ratio is 1000～10000Nm
3/ m
3The applicant finds that after deliberation with this understanding, it is best that regulation effect reaches, and removes efficient and reach more than 96%.
The technology that the present invention does not specify is prior art.
Oil-in-water of the present invention is that the apparatus structure of emulsion improvement organic exhaust gas is simple, easy to use, utilizing oil-in-water is that emulsion absorbs the oil phase of removing in the organic exhaust gas, remove efficient and reach high 90%-99%(according to the physicochemical property of organic exhaust gas), removal efficient to the dust granules thing reaches more than 98% simultaneously, significantly reduces the dust pollution discharging; Utilize demister to guarantee its treatment effeciency, non-secondary pollution; Adopt oil water separator that oil phase is separated with emulsion, the emulsion circulation after the separation absorb organic exhaust gas oil phase, improve recycling economy, greatly reduce resource consumption such as water body, reduce operating cost.
Description of drawings
Fig. 1 is the process chart that embodiment 1 administers organic exhaust gas.
Among the figure, arrow refers to the gas flow direction.
The specific embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to the following examples.
Embodiment 1
Oil-in-water is the device that emulsion is administered organic exhaust gas, comprises that gas skirt, gas gathering manifold, packed absorber, oil-in-water that order is joined are emulsion circulating sprayer and oil water separator; Comprise that also with oil-in-water be demister, absorbent charcoal adsorber and the air-introduced machine that the emulsion circulating sprayer links to each other in proper order.
As shown in Figure 1, be that the key step that device that emulsion is administered organic exhaust gas is administered organic exhaust gas is with oil-in-water: organic exhaust gas enters packed absorber successively after collecting, oil-in-water is the emulsion circulating sprayer, adopting oil-in-water is that emulsion carries out emulsification, absorbs and remove the oil phase in the organic exhaust gas in the mode that spray absorbs, absorbed the emulsion of oil phase according to the similar principle that mixes, can be to the absorption of oil phase in the organic exhaust gas, efficient can significantly improve, and removes the dust granules thing simultaneously; Emulsion behind the spray flows into the ditch, flow into catch pit through screen pack, enrichment the emulsion of organic exhaust gas composition, after leaving standstill, by oil water separator separation of oil is come out, water flows into another ditch, and to enter oil-in-water be that the emulsion circulating sprayer recycles, greatly the conserve water resource.Oil-in-water is that emulsion can produce small amount of foam when absorb removing in the organic exhaust gas oil phase, can utilize this moment demister to suppress the generation of small amount of foam, guarantee that oil-in-water is the removal efficient of emulsion, its principle is mainly to adopt breaking-froth breaking effect, need in the process of breakdown of emulsion and froth breaking at some, the emulsifying agent that adds adverse effect, with the balance of destruction emulsion, thus the generation of inhibition foam.Above-mentioned oil-in-water is that the operating temperature of emulsion circulating sprayer is 25 ℃.
Oil-in-water is that the emulsion in the emulsion circulating sprayer is that mass concentration is 4% NPE (nonyl phenol and oxirane mass ratio 1:2 in the raw material of NPE);
In said apparatus, feed concentration 1000mg/m
3Dimethylbenzene gas, control gas liquid ratio (Nm
3/ m
3) be 3000, continue 3h;
Dimethylbenzene discharge capacity after said apparatus is handled is about 40mg/m
3(utilizing thermal desorption sample introduction gas chromatograph (national examination criteria) to detect in real time) meets " discharge standard of air pollutants " (GB16297-1996), and the clearance of dimethylbenzene is 96%.
Embodiment 2
Substantially the same manner as Example 1, difference is: emulsion is that mass concentration is 8% NPE (nonyl phenol and oxirane mass ratio 1:4 in the raw material of NPE); Feed concentration 2000mg/m
3Phenol gas, control gas liquid ratio (Nm
3/ m
3) be 8000, continue 3h;
Phenol discharge capacity after said apparatus is handled is about 30mg/m
3(adopting 4-amino-antipyrine AAS (national examination criteria) to detect) meets " discharge standard of air pollutants " (GB16297-1996), and the clearance of phenol is 98.5%.
Claims (10)
1. an oil-in-water is the device that emulsion is administered organic exhaust gas, it is characterized in that: comprise that packed absorber, oil-in-water that order is joined are emulsion circulating sprayer and oil water separator.
2. oil-in-water as claimed in claim 1 is the device that emulsion is administered organic exhaust gas, and it is characterized in that: also comprise the gas skirt and the gas gathering manifold that are cascaded, gas gathering manifold is connected with packed absorber.
3. oil-in-water as claimed in claim 1 or 2 is the device that emulsion is administered organic exhaust gas, it is characterized in that: comprise that also with oil-in-water be the demister that the emulsion circulating sprayer is connected.
4. oil-in-water as claimed in claim 3 is the device that emulsion is administered organic exhaust gas, it is characterized in that: also comprise the absorbent charcoal adsorber that is connected with demister.
5. oil-in-water as claimed in claim 4 is the device that emulsion is administered organic exhaust gas, it is characterized in that: also comprise the air-introduced machine that links to each other with absorbent charcoal adsorber.
6. oil-in-water as claimed in claim 3 is the device that emulsion is administered organic exhaust gas, it is characterized in that: also comprise the air-introduced machine that links to each other with demister.
7. adopting any described oil-in-water of claim 1-6 is the device that emulsion is administered organic exhaust gas, and the method for administering organic exhaust gas is characterized in that: comprise the following steps that order is joined:
A, organic exhaust gas are the emulsion circulating sprayer through packed absorber and oil-in-water successively;
The liquid of B, spray equipment gained through oil water separator separate liquid phase and oil phase;
The liquid phase of gained enters spray equipment and recycles among C, the step B;
D, the oil phase of gained among the step B reclaimed purify, directly as solvent naphtha or be used as fuel.
8. method as claimed in claim 7 is characterized in that: oil-in-water is that used emulsion is that mass concentration is that the oil-in-water of 1-10% is emulsion in the emulsion circulating sprayer.
9. method as claimed in claim 8, it is characterized in that: described oil-in-water is that the used emulsifying agent of emulsion is NPE, and the mass ratio of nonyl phenol and oxirane is 1:(1-4 in the raw material of NPE).
10. as any described method of claim 7-9, it is characterized in that: oil-in-water is that the temperature of emulsion absorption organic exhaust gas is 15～50 ℃, and gas liquid ratio is 1000～10000Nm
3/ m
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310191344.0A CN103252155B (en) | 2013-05-21 | 2013-05-21 | Device for treating organic waste gas with oil-in-water emulsion and method for treating organic waste gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310191344.0A CN103252155B (en) | 2013-05-21 | 2013-05-21 | Device for treating organic waste gas with oil-in-water emulsion and method for treating organic waste gas |
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|---|---|
| CN103252155A true CN103252155A (en) | 2013-08-21 |
| CN103252155B CN103252155B (en) | 2015-06-03 |
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|---|---|---|---|
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537171A (en) * | 2013-10-30 | 2014-01-29 | 许征 | Emulsified liquid for processing organic waste gas, device for processing organic waste gas and method for processing organic waste gas |
| CN104295902A (en) * | 2014-09-29 | 2015-01-21 | 新疆敦华石油技术有限公司 | Environmentally-friendly recycling device for exhaust steam of gathering tank |
| CN105642076A (en) * | 2016-02-23 | 2016-06-08 | 北京沃太斯环保科技发展有限公司 | Absorbent for removing non-methane hydrocarbons and preparation method of absorbent |
| CN107485993A (en) * | 2016-12-15 | 2017-12-19 | 宁波世科光电有限公司 | Harbour oil gas recovery processing system |
| CN108096997A (en) * | 2017-11-24 | 2018-06-01 | 浙江大学 | A kind of absorbing liquid and application for wet dust removal process in high-temperature plasma Coal Pyrolysis acetylene technique |
| CN113694694A (en) * | 2021-09-18 | 2021-11-26 | 中国石油化工股份有限公司 | Method and system for treating gas containing organic matter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103537171A (en) * | 2013-10-30 | 2014-01-29 | 许征 | Emulsified liquid for processing organic waste gas, device for processing organic waste gas and method for processing organic waste gas |
| CN103537171B (en) * | 2013-10-30 | 2016-04-06 | 许征 | A kind of method of emulsion, the device administering organic exhaust gas and the improvement organic exhaust gas for administering organic exhaust gas |
| CN104295902A (en) * | 2014-09-29 | 2015-01-21 | 新疆敦华石油技术有限公司 | Environmentally-friendly recycling device for exhaust steam of gathering tank |
| CN105642076A (en) * | 2016-02-23 | 2016-06-08 | 北京沃太斯环保科技发展有限公司 | Absorbent for removing non-methane hydrocarbons and preparation method of absorbent |
| CN107485993A (en) * | 2016-12-15 | 2017-12-19 | 宁波世科光电有限公司 | Harbour oil gas recovery processing system |
| CN108096997A (en) * | 2017-11-24 | 2018-06-01 | 浙江大学 | A kind of absorbing liquid and application for wet dust removal process in high-temperature plasma Coal Pyrolysis acetylene technique |
| CN113694694A (en) * | 2021-09-18 | 2021-11-26 | 中国石油化工股份有限公司 | Method and system for treating gas containing organic matter |
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| Publication number | Publication date |
|---|---|
| CN103252155B (en) | 2015-06-03 |
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