CN105344206A - Method and device for processing VOCs in industrial waste gas - Google Patents
Method and device for processing VOCs in industrial waste gas Download PDFInfo
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- CN105344206A CN105344206A CN201510769392.2A CN201510769392A CN105344206A CN 105344206 A CN105344206 A CN 105344206A CN 201510769392 A CN201510769392 A CN 201510769392A CN 105344206 A CN105344206 A CN 105344206A
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Abstract
The invention relates to a method and device for processing VOCs in industrial waste gas; the device includes an air-cooled heat exchanger, an absorption tower, a secondary heat exchanger, an oil/water separation tank, an overhead condenser, a rectifying tower, a primary heat exchanger, a heating chamber, a separation chamber, a VOCs storage tank, an evaporative condenser and a pump. The invention provides the method and device for highly efficient segmented cycle absorption-rectification and evaporation separation recycling of the VOCs in the industrial waste gas; while the efficiency of absorption of the VOCs is improved, the loss of an absorbent is reduced, at the same time, the absorption on moisture in tail gas is also reduced, and the water absorbing capacity is only 1%-5% of the tail gas moisture content; the method and device do not turn organic matters into carbon dioxide to be discharged, but adopt the absorption recycle route in VOCs governance; through reasonable screening of the absorbent, the VOCs recycling rate can reach more than or equal to 99%, circulating water and the absorbent are recycled, and zero discharge in true sense is realized completely.
Description
Technical field
The present invention designs environmental protection and chemical separating field, specifically relates to processing method and the device of VOCs in a kind of industrial waste gas.
Background technology
Industrial waste gas containing volatile organic matter (VOCs) is one of major source of atmosphere pollution.The method of the end-of-pipe control of VOCs improvement instantly mainly contains adsorption-regeneration method, absorption and separation method and Oxidative demage method three class.Current absorption method is extensively adsorbent with active carbon, when absorption reach VOCs saturated after, active carbon need adopt the method for hot blast, steam or transformation to carry out desorption.Carry out other rectifying, extraction or infiltration evaporation operation again containing the steam of VOCs or hot blast after desorption, VOCs is recycled.Absorption method has the high feature of purification compliance rate, but process route is longer, operating cost is larger.Oxidative demage method is different according to failure mode, can be divided into again that TO directly burns, RTO heat-accumulation combustion, RCO catalytic combustion and ACP atmosphere pressure glow discharge plasma etc.This technique has that energy consumption is low, the uncertain feature of security of operation, but investment cost is higher, and owing to being destroy processing mode, finally makes VOCs convert CO2 emission to.Relatively above two kinds of methods, absorption process has the features such as small investment, operating cost are low, but the absorption efficiency of purifying rate and selected absorbent is closely related.Absorbent is chosen improper, can cause the series of problems such as purification efficiency is low, absorbent consumption large, absorbent loss is large, the rear VOCs water content of absorption is large, regeneration energy consumption is high, have a strong impact on the application of absorption process.Therefore in the urgent need to seeking a kind of energy-efficient, industrial VOCs recovery processing technique that security of operation is stable, realizing the resource recycling of VOCs, and then improving the living environment quality of people.
Summary of the invention
Technical problem to be solved by this invention is for existing VOCs end treatment technology Problems existing, a kind of stages cycle absorption-rectifying-evaporate and the processing method and the device that are separated VOCs in the industrial waste gas that combines and reclaim are provided, the problems such as conventional suction method absorption efficiency is low to solve, absorbent consumption large, water content in air interference, regeneration energy consumption height, realize the high efficiente callback of VOCs and the recycling utilization of absorbent.
Technical scheme of the present invention is as follows:
The processing method of VOCs in a kind of industrial waste gas; Comprise step as follows:
1) VOCs stages cycle absorbs;
2) rectifying;
3) separation is combined with evaporation.
Before VOCs stages cycle absorbs, the industrial tail gas of VOCs is cooled and filtration treatment; One kind of multiple combinations that cooling means adopts air cooling, the partition of liquid cooling cools or directly wash in spraying cooling, make the condensation of part high boiling point organic compound reclaim.
Described VOCs stages cycle absorption process is: adopt absorption tower normal pressure stages cycle, absorbent enters from most the preceding paragraph, flow through each section successively, quality and energy exchange is carried out with the tail gas containing VOCs, containing the absorbent rich solution of VOCs from tower reactor extraction, the industrial tail gas after purification is discharged from first paragraph outlet; Each section of absorbent is squeezed into a upper absorber portion through pump and is recycled.
Described absorbent is phthalate/senior artificial oil, comprise dibutyl phthalate dioctyl phthalate dinonyl phthalate, a benzyl toluene, dibenzyl toluene, one or more mixed solvents in high temperature grease.
VOCs content and absorbent amount ratio are 1:20 ~ 1:200.
Described rectificating method is: the absorbent rich solution of absorption tower tower reactor extraction first enters condenser and steam heat exchange heats up, then heat exchanger is entered, heat up with the heat exchange of tower bottom of rectifying tower high temperature regeneration absorbent lean solution, the absorbent rich solution after intensification enters rectifying column and realizes regeneration; Absorbent lean solution after cooling enters after evaporator heating chamber lowers the temperature further, enters water cooling heat exchanger, with condensed water heat exchange, squeezes into absorption tower after being down to normal temperature with pump by absorption tower first paragraph import.
Described separation with evaporation combined method is: rectifying column rectifying goes out VOCs by overhead extraction, enter oil-water separation tank, separating tank extraction oil phase enters VOCs collecting tank, the aqueous phase of VOCs enters evaporation heating clamber, after heating up with the heat exchange of tower bottom of rectifying tower absorbent regeneration lean solution, enter separation chamber, carry out being separated of VOCs and water.
In a kind of industrial waste gas of the present invention, the treating apparatus of VOCs, is characterized in that comprising air-cooled heat exchanger, absorption tower, secondary heat exchanger, oil-water separation tank, overhead condenser, rectifying column, first-class heat exchanger, heating clamber, separation chamber, VOCs storage tank, evaporative condenser and pump; The tower reactor air inlet on absorption tower is connected with the outlet of air-cooled heat exchanger; Absorption tower is stages cycle, and every section of bottom is provided with liquid collecting distributing disc, and the outlet of liquid collecting distributing disc connects the pump inlet of next section; Absorption tower tower top arranges offgas outlet; Absorption tower 2 tower reactor extraction pipeline connects evaporative condenser 10 and first-class heat exchanger 7 successively; First-class heat exchanger outlet connects rectifying column 6 entrance; Rectifying column 6 tower top outlet connects oil-water separation tank, and oil-water separation tank 4 oil phase connects storage tank 9, and the outlet of oil-water separation tank 4 aqueous phase connects heating clamber, and heating clamber connects separation chamber.
Described heating clamber is tubular heat exchanger, and its tube-side inlet is connected with gun barrel, and the outlet of its tube side is directly connected with separation chamber; The shell side inlet of heating clamber is connected with first-class heat exchanger, and the cold liquid port of export of first-class heat exchanger is connected with rectifying column inlet; The shell-side outlet of heating clamber is connected with secondary heat exchanger.
Be described as follows:
The present invention proposes a kind of stages cycle absorption-rectifying and evaporates the device combining VOCs in separation and recovery industrial waste gas, and the tower reactor air inlet on absorption tower is connected with the outlet of air-cooled heat exchanger; Absorption tower adopts the design of normal pressure stages cycle, and every section of bottom is provided with liquid collecting distributing disc, and described liquid collecting distributing disc is provided with outlet, is connected respectively with pump inlet with exporting, and absorbent is squeezed into a upper absorber portion through pump and recycled; Absorption tower tower top outlet is for discharging the industrial tail gas after purification; Absorbing tower heads into mouth and is connected with secondary heat exchanger, and on heating clamber, end entrance is connected with gun barrel, and another entrance is connected with first-class heat exchanger, the first-class heat exchanger solvent of still liquid sensible heat heating containing VOCs, and described rectifying column inlet is connected with first-class heat exchanger; Rectifying column tower top outlet is connected with oil-water separation tank; Described tower bottom of rectifying tower outlet is connected with pump; Described heating clamber and separation chamber design for integral type, reduce space, economize on resources.
VOCs gas enters air-cooled heat exchanger and air heat-exchange cools, VOCs gas after heat exchange enters from absorption tower tower reactor, and absorbent enters from absorbing tower jacking, and absorption tower is normal temperature and pressure operation, absorption tower adopts stages cycle design, partially absorbs agent and squeezes into a upper absorber portion through pump and recycle.Purified gas is discharged from absorption tower tower top, absorption tower tower reactor extraction VOCs and solvent mixed liquor, squeeze in rectifying column respectively through evaporative condenser and first-class heat exchanger, rectifying column is decompression operation, rectifying column overhead extraction VOCs, enter in oil-water separation tank, extraction VOCs in oil-water separation tank side recycles, and the VOCs that the extraction of oil-water separation tank low outlet is water-soluble, enters heating clamber and separation chamber carries out water-oil separating, the below extraction VOCs of separation chamber, side recovered water.
Described pre-treatment step mainly cools and filtration treatment the industrial tail gas containing VOCs, cooling means can adopt the partition such as air cooling, liquid cooling to cool or directly wash one kind of multiple combinations in spraying cooling, the condensation of part high boiling point organic compound is reclaimed, pretreated tail gas enters absorption tower tower reactor, absorbs further.
Described VOCs stages cycle absorbs, and adopts absorption tower normal pressure stages cycle design, partially absorbs agent and squeezes into a upper absorber portion through pump and recycle.After regeneration, absorbent enters from most the preceding paragraph, once flows through each section, carries out sufficient quality and energy exchange with the industrial tail gas containing VOCs, containing the absorbent rich solution of VOCs from tower reactor extraction, discharges after the industrial tail gas test passes after purification from first paragraph outlet.
First the absorbent rich solution of described absorption tower tower reactor extraction enters condenser and steam heat exchange, absorbs heat, then enters heat exchanger, and with the heat exchange of tower bottom of rectifying tower high temperature regeneration absorbent lean solution, the absorbent rich solution after intensification enters rectifying column and realizes regeneration; Absorbent lean solution after cooling enters after evaporator heating chamber lowers the temperature further, enters water cooling heat exchanger, with condensed water heat exchange, squeezes into absorption tower after being down to normal temperature with pump by absorption tower first paragraph import; Rectifying goes out VOCs by overhead extraction, enters oil-water separation tank, and oil phase enters VOCs collecting tank, and the aqueous phase containing a small amount of solvable VOCs then enters evaporation heating clamber, carries out evaporation and is separated.
Described absorption tower is atmospheric operation, and rectifying column is decompression operation.
The advantage that the present invention has and good effect are: compared with the prior art, the invention has the advantages that and provide a kind of efficient stages cycle absorption-rectifying and the technique and the device that evaporate VOCs in separation and recovery industrial waste gas, select boiling point higher in technique, better heat stability and the weak dibutyl phthalate of water imbibition, dioctyl phthalate, one benzyl toluene, dibenzyl toluene or high temperature lubricating wet goods are the mixture of one or more solvents of main solvent is absorbent, while improving the absorption efficiency to VOCs, reduce the loss of absorbent, also reduce the absorption to moisture content in tail gas simultaneously, its water absorption is only the 1%-5% of tail gas water capacity, greatly reduce later stage rectifying and evaporation load.In the present invention, absorption tower adopts the technique of absorbent stages cycle, and make gas-liquid contact more abundant, the gas liquid ratio on absorption tower reaches (500-3000): 1, thus reduces absorbent consumption, decreases system operation cost.The present invention utilizes high temperature sorbent lean solution heat, has carried out evaporating being separated, be provided with secondary heat exchange device simultaneously, fully reclaimed heat between absorption tower and rectifying column rectifying water in products soluble substance.Most importantly the present invention discharges after organic matter is become carbon dioxide, but absorption recycling route is adopted to the improvement of VOCs, rationally screened by absorbent, the VOCs rate of recovery can reach more than 99%, and recirculated water, absorbent recycle, realize zero-emission truly completely.
Accompanying drawing explanation
Fig. 1 is a kind of process device structure schematic diagram of the present invention, and wherein 1 is air-cooled heat exchanger, and 2 is absorption tower, 3 is secondary heat exchanger, 4 is oil-water separation tank, and 5 is overhead condenser, and 6 is rectifying column, 7 is first-class heat exchanger, 81 is heating clamber, and 82 is separation chamber, and 9 is VOCs storage tank, 10 is evaporative condenser, and 11-14 is pump.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
As shown in Figure 1: the tower reactor air inlet on absorption tower 2 is connected with the outlet of air-cooled heat exchanger 1; Described absorption tower 2 adopts normal pressure stages cycle to design, and every section of bottom is provided with liquid collecting distributing disc, and liquid collecting distributing disc is provided with outlet, is connected respectively with pump 11, pump 12, pump 13 import with exporting; Absorption tower 2 tower top outlet is for discharging the industrial tail gas after purification; Absorption tower 2 tower top entrance is connected with secondary heat exchanger 3; Heating clamber 81 is tubular heat exchanger, and its tube-side inlet is connected with gun barrel 4, and the outlet of its tube side is directly connected with separation chamber 82.The shell side inlet of heating clamber 81 is connected with first-class heat exchanger 7, first-class heat exchanger 7 solvent containing VOCs of rectifying column 6 tower reactor still liquid sensible heat heating from absorption tower 2, the cold liquid port of export of first-class heat exchanger 7 is connected with rectifying column inlet 6, makes the solvent containing VOCs after preheating enter rectifying column 6; Rectifying column 6 tower top outlet is connected with oil-water separation tank 4; The outlet of rectifying column 6 tower reactor is connected with pump 14.
Containing butyl ether (water-soluble) in certain application enterprise exhaust emissions, dimethylbenzene, different fluorine that ketone, total content 5000PPm, needs each component to be down to below 50PPm qualified discharge.
Exhaust emissions amount is 3000m
3/ h, enter air-cooled heat exchanger 1 and carry out heat exchange cooling, enter from absorption tower 2 tower reactor after heat exchange, employing repefral is absorbent, enters from absorption tower 2 tower top, and absorbent flow is 2t/h, absorption tower 2 adopts stages cycle to design, every section of bottom is provided with the liquid collecting distributing disc of band outlet, and its outlet is connected with pump inlet, partially absorbs agent and squeezes into a upper absorber portion through pump and recycle.Absorption tower 2 tower top discharges the industrial tail gas after purification, and gas concentration is less than 50PPm.Absorption tower 2 tower reactor extraction is containing the absorbent rich solution of VOCs, squeeze in rectifying column 6 respectively through evaporative condenser 10 and first-class heat exchanger 7, rectifying column 6 overhead extraction VOCs, wherein containing a small amount of water, enter in oil-water separation tank 4, oil-water separation tank 4 extraction VOCs enters in VOCs storage tank 9 and recycles, the VOCs that the extraction of oil-water separation tank 4 low outlet is water-soluble, enter heating clamber 81 and the heat exchange of rectifying column 6 still liquid, enter separation chamber 82 and carry out water-oil separating, extraction VOCs solvent heavier than water bottom separation chamber 82, separation chamber 82 upper end outlet recovered water, enter evaporative condenser 10 to cool.Rectifying column 6 tower reactor extraction recycling design, through pump 14 squeeze in first-class heat exchanger 7 to from evaporative condenser 10 carry out preheating containing the absorbent rich solution of VOCs after, recycling design enters heating clamber 81 shell side, continue to carry out preheating to the oil water mixture from rectifying column tower top, recycling design enters absorption tower tower top through secondary heat exchanger and recycles, this process can lose sub-fraction solvent, and the solvent of loss supplements with novel solvent.Above technique is compared with conventional suction technology, and energy consumption reduces 50%, the VOCs rate of recovery and reaches more than 99%, and solvent loss is less than 0.1%, and because solvent water absorption rate is low, energy consumption is low, and absorbent consumption is few.
A kind of stages cycle absorption-rectifying of the present invention combines method and the device of VOCs in separation and recovery industrial waste gas with evaporation, first the absorbent rich solution of absorption tower tower reactor extraction enters condenser and steam heat exchange, absorb heat, then heat exchanger is entered, with the heat exchange of tower bottom of rectifying tower high temperature regeneration absorbent lean solution, the absorbent rich solution after intensification enters rectifying column and realizes regeneration; Absorbent lean solution after cooling enters after evaporator heating chamber lowers the temperature further, enters water cooling heat exchanger, with condensed water heat exchange, squeezes into absorption tower after being down to normal temperature with pump by absorption tower first paragraph import; Rectifying goes out VOCs by overhead extraction, enters oil-water separation tank, and oil phase enters VOCs collecting tank, and the aqueous phase containing a small amount of solvable VOCs then enters evaporation heating clamber, carries out evaporation and is separated.
The processing method of VOCs and device in the open and a kind of industrial waste gas that proposes of the present invention, those skilled in the art are by using for reference present disclosure, the links such as suitable change condition route realize, although method of the present invention and technology of preparing are described by preferred embodiment, person skilled obviously can realize not departing from content of the present invention, spirit and scope to change Method and Technology route as herein described or reconfigure.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the art, they are deemed to be included in spirit of the present invention, scope and content.
Claims (9)
1. the processing method of VOCs in an industrial waste gas; It is characterized in that comprising step as follows:
1) VOCs stages cycle absorbs;
2) rectifying;
3) separation is combined with evaporation.
2. the method for claim 1, is characterized in that VOCs stages cycle cools and filtration treatment the industrial tail gas of VOCs before absorbing; One kind of multiple combinations that cooling means adopts air cooling, the partition of liquid cooling cools or directly wash in spraying cooling, make the condensation of part high boiling point organic compound reclaim.
3. the method for claim 1, it is characterized in that described VOCs stages cycle absorption process is: adopt absorption tower normal pressure stages cycle, absorbent enters from most the preceding paragraph, flow through each section successively, quality and energy exchange is carried out with the tail gas containing VOCs, containing the absorbent rich solution of VOCs from tower reactor extraction, the industrial tail gas after purification is discharged from first paragraph outlet; Each section of absorbent is squeezed into a upper absorber portion through pump and is recycled.
4. method as claimed in claim 2, is characterized in that absorbent is one or more mixing in dibutyl phthalate, dioctyl phthalate, dinonyl phthalate, a benzyl toluene, dibenzyl toluene or high temperature grease.
5. method as claimed in claim 2, is characterized in that VOCs content and absorbent amount ratio are 1:20 ~ 1:200.
6. the method for claim 1, it is characterized in that rectificating method is: the absorbent rich solution of absorption tower tower reactor extraction first enters condenser and steam heat exchange heats up, then first-class heat exchanger is entered, heat up with the heat exchange of tower bottom of rectifying tower high temperature regeneration absorbent lean solution, the absorbent rich solution after intensification enters rectifying column and realizes regeneration; Absorbent lean solution after cooling enters after evaporator heating chamber lowers the temperature further, enters water cooling heat exchanger, with condensed water heat exchange, squeezes into absorption tower after being down to normal temperature with pump by absorption tower first paragraph import.
7. the method for claim 1, it is characterized in that step 3) be separated with evaporation combined method be: rectifying column rectifying goes out VOCs by overhead extraction, enter oil-water separation tank, separating tank extraction oil phase enters VOCs collecting tank, the aqueous phase of VOCs enters evaporation heating clamber, after heating up with the heat exchange of tower bottom of rectifying tower absorbent regeneration lean solution, enter separation chamber, carry out being separated of VOCs and water.
8. a treating apparatus of VOCs in industrial waste gas, is characterized in that comprising air-cooled heat exchanger, absorption tower, secondary heat exchanger, oil-water separation tank, overhead condenser, rectifying column, first-class heat exchanger, heating clamber, separation chamber, VOCs storage tank, evaporative condenser and pump; It is characterized in that the tower reactor air inlet on absorption tower is connected with the outlet of air-cooled heat exchanger; Absorption tower is stages cycle, and every section of bottom is provided with liquid collecting distributing disc, and the outlet of liquid collecting distributing disc connects the pump inlet of next section; Absorption tower tower top arranges offgas outlet; Absorption tower 2 tower reactor extraction pipeline connects evaporative condenser 10 and first-class heat exchanger 7 successively; First-class heat exchanger outlet connects rectifying column 6 entrance; Rectifying column 6 tower top outlet connects oil-water separation tank, and oil-water separation tank 4 oil phase connects storage tank 9, and the outlet of oil-water separation tank 4 aqueous phase connects heating clamber, and heating clamber connects separation chamber.
9. device as claimed in claim 8, it is characterized in that heating clamber is tubular heat exchanger, its tube-side inlet is connected with gun barrel, and the outlet of its tube side is directly connected with separation chamber; The shell side inlet of heating clamber is connected with first-class heat exchanger, and the cold liquid port of export of first-class heat exchanger is connected with rectifying column inlet; The shell-side outlet of heating clamber is connected with secondary heat exchanger.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106215647A (en) * | 2016-08-30 | 2016-12-14 | 中国华能集团公司 | A kind of built-in SNCR spray gun |
| CN106925087A (en) * | 2017-04-07 | 2017-07-07 | 上海丁香环境科技有限公司 | A kind of water vapor recovery device |
| CN107569973A (en) * | 2016-07-05 | 2018-01-12 | 北京化工大学苏州（相城）研究院 | The absorption processing method and system of VOC organic exhaust gas |
| CN108159842A (en) * | 2017-12-22 | 2018-06-15 | 山东东岳氟硅材料有限公司 | A kind of method of VOC content in tail gas for reducing methane chloride device and generating |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0767138A1 (en) * | 1995-10-04 | 1997-04-09 | Basf Aktiengesellschaft | Process for the selective separation and recovery of chlorine from gas mixtures |
| CN2791044Y (en) * | 2004-10-19 | 2006-06-28 | 浙江大学 | Device for producing terephthalic acid |
| CN101537299A (en) * | 2009-03-19 | 2009-09-23 | 绍兴远东石化有限公司 | Method for recycling organic matters in tail gas from production of terephthalic acid |
| CN102489124A (en) * | 2011-12-07 | 2012-06-13 | 天津大学 | Trichlorosilane tail gas recovery device and method |
| CN102764559A (en) * | 2012-07-27 | 2012-11-07 | 武汉旭日华科技发展有限公司 | Combined technique of separating and recycling VOCS (volatile organic compounds) from industrial waste gas by adsorption-desorption-rectification-pervaporation |
| WO2013166301A1 (en) * | 2012-05-02 | 2013-11-07 | Mecs, Inc. | Regenerative recovery of contaminants from effluent gases |
| CN104524929A (en) * | 2015-01-13 | 2015-04-22 | 天津奥展兴达化工技术有限公司 | Efficient energy-saving purification and recovery process of tail gas containing volatile organic compounds (VOCs) |
| CN104984634A (en) * | 2015-07-15 | 2015-10-21 | 天津大学 | Treating device for waste gas containing volatile organic matters |
| CN204710058U (en) * | 2015-06-02 | 2015-10-21 | 开封赛普空分集团有限公司 | A kind of industrial volatile organic matter gas concentration unit |
| CN205216516U (en) * | 2015-11-11 | 2016-05-11 | 天津天清环保科技股份有限公司 | VOCs's processing apparatus among industrial waste gas |
-
2015
- 2015-11-11 CN CN201510769392.2A patent/CN105344206A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0767138A1 (en) * | 1995-10-04 | 1997-04-09 | Basf Aktiengesellschaft | Process for the selective separation and recovery of chlorine from gas mixtures |
| CN2791044Y (en) * | 2004-10-19 | 2006-06-28 | 浙江大学 | Device for producing terephthalic acid |
| CN101537299A (en) * | 2009-03-19 | 2009-09-23 | 绍兴远东石化有限公司 | Method for recycling organic matters in tail gas from production of terephthalic acid |
| CN102489124A (en) * | 2011-12-07 | 2012-06-13 | 天津大学 | Trichlorosilane tail gas recovery device and method |
| WO2013166301A1 (en) * | 2012-05-02 | 2013-11-07 | Mecs, Inc. | Regenerative recovery of contaminants from effluent gases |
| CN102764559A (en) * | 2012-07-27 | 2012-11-07 | 武汉旭日华科技发展有限公司 | Combined technique of separating and recycling VOCS (volatile organic compounds) from industrial waste gas by adsorption-desorption-rectification-pervaporation |
| CN104524929A (en) * | 2015-01-13 | 2015-04-22 | 天津奥展兴达化工技术有限公司 | Efficient energy-saving purification and recovery process of tail gas containing volatile organic compounds (VOCs) |
| CN204710058U (en) * | 2015-06-02 | 2015-10-21 | 开封赛普空分集团有限公司 | A kind of industrial volatile organic matter gas concentration unit |
| CN104984634A (en) * | 2015-07-15 | 2015-10-21 | 天津大学 | Treating device for waste gas containing volatile organic matters |
| CN205216516U (en) * | 2015-11-11 | 2016-05-11 | 天津天清环保科技股份有限公司 | VOCs's processing apparatus among industrial waste gas |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107569973A (en) * | 2016-07-05 | 2018-01-12 | 北京化工大学苏州（相城）研究院 | The absorption processing method and system of VOC organic exhaust gas |
| CN106215647B (en) * | 2016-08-30 | 2019-05-17 | 中国华能集团公司 | A kind of built-in SNCR spray gun |
| CN106215647A (en) * | 2016-08-30 | 2016-12-14 | 中国华能集团公司 | A kind of built-in SNCR spray gun |
| CN106925087A (en) * | 2017-04-07 | 2017-07-07 | 上海丁香环境科技有限公司 | A kind of water vapor recovery device |
| CN109908700A (en) * | 2017-12-12 | 2019-06-21 | 万华化学集团股份有限公司 | A kind of exhaust gas recovery system and method for neopentyl glycol process units |
| CN108159842B (en) * | 2017-12-22 | 2020-04-21 | 山东东岳氟硅材料有限公司 | Method for reducing VOC content in tail gas generated by methane chloride device |
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