CN110368773A - VOC recycling and waste gas treatment equipment - Google Patents
VOC recycling and waste gas treatment equipment Download PDFInfo
- Publication number
- CN110368773A CN110368773A CN201910774100.2A CN201910774100A CN110368773A CN 110368773 A CN110368773 A CN 110368773A CN 201910774100 A CN201910774100 A CN 201910774100A CN 110368773 A CN110368773 A CN 110368773A
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- Prior art keywords
- gas
- unit
- water
- exhaust gas
- condenser
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B01D53/002—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 condensation
-
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- 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
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Abstract
A kind of VOC recycling and waste gas treatment equipment, it is characterized in that, the equipment includes the following unit being successively connected: solvent gas sampling unit, solvent recovery unit, exhaust purification unit composition, wherein solvent recovery unit includes condenser, and exhaust purification unit includes water absorption tower and activated carbon adsorption unit composition；Container exhaust gas receives unit and is collected into that exhaust gas passes sequentially through solvent recovery unit and exhaust purification unit is recycled and handled.Equipment according to the present invention is a kind of waste gas treatment equipment for being handled and being recycled for VOC gas, the equipment includes the links such as condensation, water absorption, active carbon absorption, can condensing recovery part can be recycled again organic solvent, and reduce the usage amount of diluent.In addition the harmful components in exhaust gas are cleared up, reaches discharge standard, utmostly reduces to environmental hazard.
Description
[technical field]
The present invention relates to high VOC insulating oil product scopes, more particularly to the recycling of VOC gas and the processing of toxic exhaust gas
Technology.
[background technique]
VOC is the english abbreviation of volatile organic compounds (volatile organic compounds), and VOC gas refer to packet
Gas containing volatile organic matter, but the definition on environment protection significance refers to active a kind of volatile organic matter.This kind of gas
Because it is most of to ambient enviroment and biology there are certain degree of harm to carry out vent gas treatment before discharge, meet discharge
Standard can be just discharged into atmosphere.
For using the enterprise of high VOC insulation oil product, all there can be a large amount of solvents to evaporate in immersion oil and drying link,
Without processing, employee's health can be seriously affected in workshop by distributing, and if being directly discharged to outdoor would seriously pollute the environment.
To adapt to high-strength environment-friendly regulatory requirements, while considering for enterprise staff health, for that need to be insulated using solvent type
The enterprise of oil should carry out recycling and exhaust gas environmental protection treatment to the solvent emitted in production process.
Application scheme is to carry out particular for boiling point in 45 ° or more such as acetone, toluene, dimethylbenzene and ethers organic matters
Recycling and processing.If VOC gas are directlyed adopt solvent dissolution, then it is diluted using diluent and may require that consuming is a large amount of
Solvent and diluent, waste part can be used as the organic matters of raw material originally.
[summary of the invention]
The present invention proposes the exhaust-gas treatment for handling and recycling for volatile organic solvent gas for above situation and sets
Standby, which includes the links such as condensation, water absorption, active carbon absorption, can be recycled organic solvent in condensing recovery part again,
In addition the harmful components in exhaust gas are cleared up, reaches discharge standard, utmostly reduces to environmental hazard.
A kind of VOC recycling and waste gas treatment equipment, the equipment include the following unit being successively connected:
Solvent gas sampling unit: it is generating containing installation settings negative pressure exhausting system at solvent exhaust gas, is being aggregated into waste gas header；
Solvent recovery unit: waste gas header is passed through solvent condensation recovering device system, which includes condenser, water pump, recirculated water
Pipeline, recovery tube and exhaust gas siphunculus, exhaust gas siphunculus penetrate through condenser, and circulating water pipeline is by water pump pressurized circulation in condenser
In, recovery channel is connected exhaust gas siphunculus position from condenser ends, receives the solvent being condensed out；
Exhaust purification unit: exhaust purification unit includes water absorption tower and activated carbon adsorption unit composition；Exhaust piping successively leads to
Cross water absorption tower and activated carbon adsorption unit；
The condenser is section filter net type condenser, including condenser pipe, air intake, gas siphunculus, gas outlet and recirculated water interior conduit,
Exhaust gas siphunculus perforation condenser pipe branches into several gas siphunculus wherein, and compartment is equipped with filter net type partition material in gas siphunculus
Material；Interior conduit is followed between the gentle siphunculus of condenser pipe for water cooling to be connected to external circulating water pipeline.
Water in condenser needs to use cooling water, and in the circulating water pipeline circumferential arrangement sink of condenser, sink is equipped with
Water cooling unit or cooling tower carry out cooling processing to recirculated water therein.
Further, which further includes treatment unit for waste water, and the water of solvent in exhaust gas is absorbed by water absorption tower, is led to
Treatment unit for waste water processing is crossed to discharge later.
The treatment unit for waste water is exactly biochemical treatment tank.
The equipment further includes gas drainage machine, which drains machine and access from the air outlet of activated carbon adsorption unit,
Exhaust gas after the air outlet suction process of activated carbon adsorption unit.
It is exhaust fan, air-introduced machine or air blower that the gas, which drains machine,.
The water absorption tower includes that reaction tower, No.1 pump, No. two pumps and biochemical treatment tank, exhaust gas are passed through in reaction tower, is led to
It crosses No.1 water supplying pump and carries out spray process, the water in reaction tower, which cycles through No. two pumpings and is drawn onto biochemical treatment tank, to carry out at purification
It is discharged after reason.
The biochemical treatment tank is biological flora processing reaction tank.
The reaction tower on absorption tower includes into gas tube orifice, retains area, packing area, spraying zone and outlet mouth of pipe, according to waste gas stream
The direction of warp passes sequentially through the retention area that larger space is entered into gas tube orifice, is up packing area retaining area, and packing area
Top be spraying zone, aspirated away by exhaust gas after spraying zone from outlet mouth of pipe.
It is equipped with liquid outlet below area retaining, is equipped with jet head in spraying zone, the output end of No.1 pump docks spraying zone
Jet head, and No. two pump input terminal docking retain area below liquid outlet, No. two pump output ends be connected biochemical treatments
Pond.
Equipment according to the present invention is a kind of waste gas treatment equipment for being handled and being recycled for VOC gas, this sets
It is standby absorbed comprising condensation, water, the links such as active carbon absorbs, can condensing recovery part can be recycled again organic solvent,
And reduce the usage amount of diluent.In addition the harmful components in exhaust gas are cleared up, reaches discharge standard, utmostly reduces to ring
Border harmfulness.
[Detailed description of the invention]
Fig. 1 is VOC recycling involved in the present invention and waste gas treatment equipment structural schematic diagram；
Fig. 2 is the condenser structure schematic diagram in VOC recycling involved in the present invention and waste gas treatment equipment；
Fig. 3 is the water absorption tower structural schematic diagram in VOC recycling involved in the present invention and waste gas treatment equipment；
Wherein 10, solvent gas sampling unit；20, solvent recovery unit；21, condenser；211, condenser pipe；212, air intake；
214, gas siphunculus；215, gas outlet；217, blocking material；22, water pump；23, circulating water pipeline；231, recirculated water interior conduit；24,
Recovery tube；25, exhaust gas siphunculus；26, sink；27, water cooling unit/cooling tower；30, exhaust purification unit；31, water absorption tower；311,
Reaction tower；312, No.1 pumps；313, No. two pumps；314, biochemical treatment tank；315, enter gas tube orifice；316, area is retained；317, filler
Area；318, spraying zone；319, outlet mouth of pipe；32, activated carbon adsorption unit；33, gas drains machine；40, treatment unit for waste water；
[specific embodiment]
VOC gas according to the present invention are recycled below in conjunction with the drawings and specific embodiments of the present invention and exhaust-gas treatment is set
It is standby to be described in further detail.
Please refer to attached drawing 1, be shown a kind of VOC recycling and waste gas treatment equipment, the equipment include it is following according to
The unit of secondary linking:
Solvent gas sampling unit 10: it is generating containing installation settings negative pressure exhausting system at solvent exhaust gas, it is total to be aggregated into exhaust gas
Pipe；According to manufacturing enterprise using insulating oil scene, negative pressure exhausting system is installed in working links such as immersion oil, drying, by oil immersion work
The place installation negative pressure exhausting system that sequence, baking process etc. are related to having solvent gas to escape, be finally aggregated into one it is total useless
Gas general pipeline.Waste gas header is the main pipe line that exhaust collection all to be recycled and to be processed is put together at one, and directly linking is arrived
Subsequent processing units.
Attached drawing 1 and attached drawing 2 are please referred to, wherein the structure of the condenser has been shown in particular, solvent recovery unit 20: solvent is returned
Receiving unit mainly includes solvent condensate recovery system, and waste gas header is passed directly into solvent condensation recovering device system, which includes
Condenser 21, water pump 22, circulating water pipeline 23, recovery tube 24 and exhaust gas siphunculus 25, exhaust gas siphunculus 25 penetrate through condenser 21, circulation
For waterpipe 23 through 22 pressurized circulation of water pump in condenser 21, recovery tube 24 is connected exhaust gas siphunculus 25 from 21 end of condenser
Position, receives the organic solvent condensed.
Condenser is segmentation filter net type condenser, including condenser pipe 211, air intake 212, gas siphunculus 214, gas outlet 215
And recirculated water interior conduit 231, condenser pipe 211 have exhaust gas siphunculus 25 and recirculated water interior conduit 231 inside it as main body cover,
Component part one of of the recirculated water interior conduit 231 as circulating water pipeline 23 is by inside condensation tube wall and perforation condenser pipe
Exhaust gas siphunculus 25 between space constitute, and through condenser pipe 211 exhaust gas siphunculus 25 have several branch's gas siphunculus
214, it is equivalent to from the gas passage that air intake 212 enters condenser 21 and shunts, be divided into several stocks and flow separately through condenser 21.
Compartment is equipped with filter net type blocking material 217 in each gas siphunculus；The blocking material 217 can be with slowing down gas
The speed that body passes through extends time of the gas by condenser pipe, improves condensation effect.
Interior conduit is followed between the gentle siphunculus of condenser pipe for water cooling to be connected to external circulating water pipeline.Water pump 22 is followed with this
Ring waterpipe 23 is connected to, and is continuously circulating water pipeline 23 and is pumped into water for condensing.Water in condenser needs to use cooling water,
The 23 circumferential arrangement sink 26 of circulating water pipeline of condenser, sink 26 is equipped with water cooling unit/cooling tower 27, to recirculated water therein
Carry out cooling processing.
After VOC gas pass through condenser, most of solvent condensation is recycled by recovery tube 24, recovered solvent
It can carry out recycling again practical, save the usage amount of diluent in production process.
And by the exhaust gas after condensing recovery or containing a certain amount of VOC, this portion then enters next
It is handled in a exhaust purification unit 30.
Exhaust purification unit 30: exhaust purification unit includes that water absorption tower 31 and activated carbon adsorption unit 32 form；Exhaust gas
Pipeline passes sequentially through water absorption tower 31 and activated carbon adsorption unit 32；
It is additionally provided with treatment unit for waste water 40 in exhaust purification unit, the water of solvent in exhaust gas is absorbed by water absorption tower, it is fixed to need
Phase replacement；The treatment unit for waste water is biochemical treatment tank.
Gas drainage machine 33 is additionally provided with after activated carbon adsorption unit 32, which drains machine 33 and inhale from active carbon
The air outlet of coupon member 32 accesses, the exhaust gas after the air outlet suction process of activated carbon adsorption unit 32.The gas drains machine
Device 33 is exhaust fan, air-introduced machine or air blower.Gas drainage machine 33 mainly aspirates exhaust gas to be treated, and guidance is useless
Gas is passed through by water absorption tower and activated carbon adsorption unit in the case where guaranteeing treatment effect with higher efficiency.
Attached drawing 3 is please referred to, the structure on water absorption tower is shown, which includes reaction tower 311, No.1 pump
312, No. two pumps 313 and biochemical treatment tank 314, exhaust gas are passed through in reaction tower 311, are supplied water and are sprayed by No.1 pump 312
It handles, the water in reaction tower 311 is cycled through after No. two pumps 313 are drawn into the progress purified treatment of biochemical treatment tank 314 and is discharged.
The reaction tower on absorption tower 311 includes into gas tube orifice 315, retains area 316, packing area 317, spraying zone 318 and outlet
Nozzle 319 passes sequentially through the retention area 316 for entering larger space into gas tube orifice 315 according to the direction that exhaust gas flows through, is retaining
Area 316 is up packing area 317, and the top of packing area 317 is spraying zone 318, and spraying zone 318 is provided with a spray
Head, spray head ejecting liquid down.It is aspirated away by exhaust gas after spraying zone 318 from outlet mouth of pipe 319.
It is equipped with liquid outlet below area retaining, is equipped with jet head in spraying zone, the output end of No.1 pump 312 docks spray
The jet head in area, and the liquid outlet below area is retained in the input terminal docking of No. two pumps 313, the output end of No. two pumps is connected biochemical
Processing pond 314.
The biochemical treatment tank 324 is biological flora processing reaction tank.The biological flora handles reaction tank and has filtration system,
Processed waste water reaches environmental emission standard.
The VOC of the gas overwhelming majority after water absorption tower has been only absorbed by the water, and exhaust gas at this moment basically reaches
Discharge standard is finally adsorbed a wave by activated carbon adsorption unit again and is reached completely by the exhaust gas that three above step process is crossed
To the requirement of national discharge index.
It needs to discharge by processing for the water of lyosoption in water absorption tower, can give at waste recovery company
Reason can also still further be arranged a set for the treatment of unit for waste water and be handled, and processing qualification could discharge.
Active carbon is also required to regularly replace, and replaced active carbon can be put into insulating oil baking oven or drying tunnel is taken off
Solvent processing, recycling are spare.
The waste gas treatment equipment for being handled and being recycled for volatile organic solvent gas is proposed to above situation, it should
Equipment includes the links such as condensation, water absorption, active carbon absorption, can be recycled organic solvent in condensing recovery part again, in addition
The harmful components in exhaust gas are cleared up, reaches discharge standard, utmostly reduces to environmental hazard.
The above is only present pre-ferred embodiments, is not intended to limit the present invention in any form, although
The present invention is disclosed above in the preferred embodiment, and however, it is not intended to limit the invention, any person skilled in the art,
It does not depart within the scope of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of variation, but without departing from the technical solutions of the present invention, technology refers to according to the present invention implements to above
Any simple modification, equivalent change and modification made by example, belong in the range of technical solution of the present invention.
Claims (9)
1. a kind of VOC recycling and waste gas treatment equipment, which is characterized in that the equipment includes the following unit being successively connected:
Solvent gas sampling unit: it is generating containing installation settings negative pressure exhausting system at solvent exhaust gas, is being aggregated into waste gas header；
Solvent recovery unit: waste gas header is passed through solvent condensation recovering device system, which includes condenser, water pump, recirculated water
Pipeline, recovery tube and exhaust gas siphunculus, exhaust gas siphunculus penetrate through condenser, and circulating water pipeline is by water pump pressurized circulation in condenser
In, recovery channel is connected exhaust gas siphunculus position from condenser ends, receives the solvent being condensed out；
Exhaust purification unit: exhaust purification unit includes water absorption tower and activated carbon adsorption unit composition；Exhaust piping successively leads to
Cross water absorption tower and activated carbon adsorption unit；
The condenser is section filter net type condenser, including condenser pipe, air intake, gas siphunculus, gas outlet and recirculated water interior conduit,
Exhaust gas siphunculus perforation condenser pipe branches into several gas siphunculus wherein, and compartment is equipped with filter net type partition material in gas siphunculus
Material；Interior conduit is followed between the gentle siphunculus of condenser pipe for water cooling to be connected to external circulating water pipeline.
2. VOC recycling and waste gas treatment equipment according to claim 1, which is characterized in that further, which also wraps
Treatment unit for waste water is included, the water of solvent in exhaust gas is absorbed by water absorption tower, is discharged after being handled by treatment unit for waste water.
3. VOC recycling and waste gas treatment equipment according to claim 2, which is characterized in that the treatment unit for waste water is biochemical
Processing pond.
4. VOC recycling and waste gas treatment equipment according to claim 1, which is characterized in that the equipment further includes gas drainage
Machine, the gas drain machine and access from the air outlet of activated carbon adsorption unit, aspirate from the air outlet of activated carbon adsorption unit
Treated exhaust gas.
5. VOC recycling and waste gas treatment equipment according to claim 4, which is characterized in that it is exhausting that the gas, which drains machine,
Machine, air-introduced machine or air blower.
6. according to claim 3 VOC recycling and waste gas treatment equipment, which is characterized in that the water absorption tower include reaction tower,
No.1 pump, No. two pumps and biochemical treatment tank, exhaust gas are passed through in reaction tower, carry out spray process, reaction by No.1 water supplying pump
Water in tower is cycled through after No. two pumpings are drawn onto biochemical treatment tank progress purified treatment and is discharged.
7. VOC recycling and waste gas treatment equipment according to claim 6, which is characterized in that the biochemical treatment tank is biological bacteria
Group's processing reaction tank.
8. according to claim 6 VOC recycling and waste gas treatment equipment, which is characterized in that the reaction tower on absorption tower include into
Gas tube orifice retains area, packing area, spraying zone and outlet mouth of pipe, passes sequentially through according to the direction that exhaust gas flows through and enters into gas tube orifice
It is up packing area retaining area to the retention area of larger space, and above packing area is spraying zone, after spraying zone
Exhaust gas is aspirated away from outlet mouth of pipe.
9. VOC recycling and waste gas treatment equipment according to claim 8, which is characterized in that be equipped with liquid below area retaining
Outlet is equipped with jet head in spraying zone, and the output end of No.1 pump docks the jet head of spraying zone, and the input terminal docking that No. two pump
The liquid outlet below area is retained, the output end of No. two pumps is connected biochemical treatment tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910774100.2A CN110368773A (en) | 2019-08-21 | 2019-08-21 | VOC recycling and waste gas treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910774100.2A CN110368773A (en) | 2019-08-21 | 2019-08-21 | VOC recycling and waste gas treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110368773A true CN110368773A (en) | 2019-10-25 |
Family
ID=68260115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910774100.2A Pending CN110368773A (en) | 2019-08-21 | 2019-08-21 | VOC recycling and waste gas treatment equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN110368773A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691495A (en) * | 2021-01-29 | 2021-04-23 | 浙江金潮实业有限公司 | Method for treating waste gas generated in synthetic leather production process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107441886A (en) * | 2017-08-11 | 2017-12-08 | 苏州坎泽环保工程有限公司 | A kind of water-gas combined processing system of organic exhaust gas spray-absorption |
| CN107511023A (en) * | 2017-09-12 | 2017-12-26 | 南通意特化工有限公司 | A kind of retracting device and method of new dimethylaniline and acetic acid waste gas |
| CN108905534A (en) * | 2018-09-06 | 2018-11-30 | 浙江星丰科技有限公司 | The condenser of organic exhaust gas circulation purifier |
-
2019
- 2019-08-21 CN CN201910774100.2A patent/CN110368773A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107441886A (en) * | 2017-08-11 | 2017-12-08 | 苏州坎泽环保工程有限公司 | A kind of water-gas combined processing system of organic exhaust gas spray-absorption |
| CN107511023A (en) * | 2017-09-12 | 2017-12-26 | 南通意特化工有限公司 | A kind of retracting device and method of new dimethylaniline and acetic acid waste gas |
| CN108905534A (en) * | 2018-09-06 | 2018-11-30 | 浙江星丰科技有限公司 | The condenser of organic exhaust gas circulation purifier |
Non-Patent Citations (3)
| Title |
|---|
| 天津大学化工学院: "《注册化工工程执业资格考试专业考试复习教程》", 31 July 2016, 天津大学出版社 * |
| 尚少文等: "《暖通空调技术应用》", 31 December 2017, 东北大学出版 * |
| 王淑波等: "《化工原理》", 31 January 2019, 华中科技大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112691495A (en) * | 2021-01-29 | 2021-04-23 | 浙江金潮实业有限公司 | Method for treating waste gas generated in synthetic leather production process |
| CN112691495B (en) * | 2021-01-29 | 2022-06-24 | 浙江金潮实业有限公司 | Method for treating waste gas generated in synthetic leather production process |
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Application publication date: 20191025 |
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