CN110102146A - The recyclable device and method of 2- cyano -4 '-bromomethylbiphenyl exhaust gas organic solvent - Google Patents
The recyclable device and method of 2- cyano -4 '-bromomethylbiphenyl exhaust gas organic solvent Download PDFInfo
- Publication number
- CN110102146A CN110102146A CN201910293800.XA CN201910293800A CN110102146A CN 110102146 A CN110102146 A CN 110102146A CN 201910293800 A CN201910293800 A CN 201910293800A CN 110102146 A CN110102146 A CN 110102146A
- Authority
- CN
- China
- Prior art keywords
- exhaust gas
- organic solvent
- adsorption tower
- adsorption
- condenser
- Prior art date
- 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.)
- Pending
Links
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
- B01D53/1418—Recovery of products
-
- 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
- B01D53/1431—Pretreatment by other processes
-
- 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
- B01D53/1431—Pretreatment by other processes
- B01D53/145—Pretreatment by separation of solid or liquid material
-
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
Abstract
The invention discloses the recyclable devices of the exhaust gas organic solvent of 2- cyano -4'- bromomethylbiphenyl, including sequentially connected condenser I, sprinkling equipment and adsorption plant, the sprinkling equipment includes alkali spray thrower and water spray device, and the adsorption plant includes A adsorption tower, B adsorption tower and C adsorption tower.The invention has the advantages that the recyclable device simple structure of organic solvent is reasonable, easy to operate in exhaust gas; the organic solvent in exhaust gas is recycled step by step by condensation, spray, adsorption and desorption and separation process; the high-purity for the organic solvent for finally ensuring to recycle; it can directly be applied in production process; the organic solvent content not only reduced in exhaust gas in this way makes exhaust gas reach discharge standard, but also the utilization rate of organic solvent can be improved to reduce production cost.
Description
Technical field
The present invention relates to chemical fields, and in particular to the recycling of the exhaust gas organic solvent of 2- cyano -4'- bromomethylbiphenyl fills
It sets and method.
Background technique
Contain a large amount of organic solvent in the exhaust gas of 2- cyano -4'- bromomethylbiphenyl, traditional waste gas treatment process is direct
Cleaning discharge is carried out after organic solvent is handled together with exhaust gas, causes the significant wastage of resource, is also brought to the processing of exhaust gas
Certain obstacle.
Summary of the invention
In order to solve the above technical problems, returning the present invention provides the exhaust gas organic solvent of 2- cyano -4'- bromomethylbiphenyl
Organic solvent in exhaust gas can be recycled by receiving apparatus and method.
The technical solution adopted by the present invention is that:
The recyclable device of the exhaust gas organic solvent of 2- cyano -4'- bromomethylbiphenyl, including sequentially connected condenser I, spray are set
Standby and adsorption plant, the sprinkling equipment include alkali spray thrower and water spray device, and the adsorption plant includes A adsorption tower, B absorption
Tower and C adsorption tower.
It further, further include recycling design collecting tank, the outlet of the condenser I is connected with recycling design collecting tank
It is logical.
Further, further include purging motor, the purging motor by sweeping wind pipe respectively with A adsorption tower, B adsorption tower
It is connected with C adsorption tower.
Further, the A adsorption tower, B adsorption tower and tower top is provided with waste gas outlet for C adsorption tower and water vapour enters
Mouthful, pass through water vapour admission line at the steam entry and is connected to water vapour.
Further, further include condenser II and oil water separator, the entrance of the condenser II respectively with A adsorption tower, B
The outlet of adsorption tower, C adsorption tower is connected, and the outlet of the condenser II is connected with the entrance of oil water separator, the oil
The organic solvent outlet of separator is connected with recycling design collecting tank.
The exhaust gas organic solvent recovery method of 2- cyano -4'- bromomethylbiphenyl utilizes the recyclable device of organic solvent, warp
Condensation, spray, absorption and layering removal process are crossed, realizes the recycling of the organic solvent in exhaust gas.
Further, specific steps are as follows:
A, the first condensation of exhaust gas: the exhaust gas containing organic solvent being discharged from workshop is passed through condenser I, part organic solvent exists
It is condensed into liquid in condenser I, is flow in recycling design collecting tank from the outlet of condenser I；
B, the pretreatment of exhaust gas: the exhaust gas for being mingled with organic solvent that failed to condensation in above-mentioned steps a is passed through sprinkling equipment, via
Alkali spray thrower and water spray device carry out absorption pretreatment；
C, the adsorption treatment of exhaust gas: the pretreated exhaust gas in above-mentioned steps b, which is passed through in A adsorption tower, to carry out at primary absorption
It manages, the exhaust gas after an adsorption treatment, which enters back into, carries out second adsorption in B adsorption tower, C adsorption tower is stand-by, when A adsorption column outlet
Exhaust gas in organic solvent concentration when reaching certain value, stop absorption；
D, the separation and recovery of organic solvent: after absorption stops, A adsorption tower being parsed, water vapour is via water vapour air inlet pipe
Road enters in A adsorption tower from steam entry, and the organic solvent vapor under being desorbed flows into condenser II from the outlet of A adsorption tower,
Enter oil water separator after the condensation of condenser II, recycles organic solvent after stratification in oil water separator, adsorbed to A
When tower is parsed, exhaust gas pretreated in step b is passed through in B adsorption tower and carries out an adsorption treatment, at primary absorption
Exhaust gas after reason, which enters back into, carries out second adsorption in C adsorption tower, reach one to organic solvent concentration in the exhaust gas of B adsorption column outlet
Definite value, and A adsorption tower parses when finishing, after carrying out purging cooling by purging motor to A adsorption tower, then row changes C adsorption tower into
Primary absorption, A adsorption tower second adsorption, parse B adsorption tower, and so on, can uninterruptedly separate and recover organic solvent.
The beneficial effects of the present invention are: the recyclable device simple structure of organic solvent is reasonable, easy to operate in exhaust gas, pass through
Condensation, spray, adsorption and desorption and separation process step by step recycle the organic solvent in exhaust gas, finally ensure that recycles has
The high-purity of solvent can be directly applied in production process, and the organic solvent content both reduced in exhaust gas in this way to give up
Gas reaches discharge standard, and the utilization rate of organic solvent can be improved to reduce production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of recyclable device of the invention.
Wherein: 1, condenser I, 2, sprinkling equipment, 3, adsorption plant, 4, recycling design collecting tank, 5, purging motor, 6, blow
Swing flap pipe, 7, condenser II, 8, oil water separator, 21, alkali spray thrower, 22, water spray device, 31, A adsorption tower, 32, B adsorption tower,
33, C adsorption tower, 34, waste gas outlet, 35, steam entry, 36, water vapour admission line.
Specific embodiment
In order to deepen the understanding of the present invention, below in conjunction with drawings and examples, the invention will be further described, should
The examples are only for explaining the invention, does not restrict the protection scope of the present invention.
As shown in Figure 1, the recyclable device of the exhaust gas organic solvent of 2- cyano -4'- bromomethylbiphenyl, including it is sequentially connected
Condenser I 1, sprinkling equipment 2 and adsorption plant 3, sprinkling equipment 2 include alkali spray thrower 21 and water spray device 22, and adsorption plant 3 wraps
A adsorption tower 31, B adsorption tower 32 and C adsorption tower 33 are included, further includes recycling design collecting tank 4, the outlet and recycling of condenser I 1 are molten
Agent collecting tank 4 is connected, and further includes purging motor 5, purging motor 5 by sweeping wind pipe 6 respectively with A adsorption tower 31, B adsorption tower
32 are connected with C adsorption tower 33, and A adsorption tower 31, B adsorption tower 32 and C adsorption tower 33 are provided with 34 and of waste gas outlet in tower top
Steam entry 35 passes through water vapour admission line 36 at steam entry 32 and is connected to water vapour, further includes II 7 He of condenser
Oil water separator 8, the entrance of condenser II 7 is connected with the outlet of A adsorption tower 31, B adsorption tower 32, C adsorption tower 33 respectively, cold
The outlet of condenser II 7 is connected with the entrance of oil water separator 8, and organic solvent outlet and the recycling design of oil water separator 8 are received
Collection tank 4 is connected.
Using above-mentioned 2- cyano -4'- bromomethylbiphenyl exhaust gas organic solvent recyclable device to organic molten in exhaust gas
Method that agent is recycled specific steps are as follows:
A, the exhaust gas containing organic solvent being discharged from workshop the first condensation of exhaust gas: is passed through condenser I 1, part organic solvent
It is condensed into liquid in condenser I 1, is flow in recycling design collecting tank 4 from the outlet of condenser I 1；
B, the pretreatment of exhaust gas: the exhaust gas for being mingled with organic solvent that failed to condensation in above-mentioned steps a is passed through sprinkling equipment 2, warp
Absorption pretreatment is carried out by alkali spray thrower 21 and water spray device 22；
C, the adsorption treatment of exhaust gas: the pretreated exhaust gas in above-mentioned steps b, which is passed through in A adsorption tower 31, to carry out at primary absorption
It manages, the exhaust gas after an adsorption treatment, which enters back into, carries out second adsorption in B adsorption tower 32, C adsorption tower 33 is stand-by, when A adsorption tower
When organic solvent concentration reaches certain value in the exhaust gas of 31 outlets, stop absorption；
D, the separation and recovery of organic solvent: after absorption stops, A adsorption tower 31 being parsed, water vapour is via water vapour air inlet
Pipeline 36 enters in A adsorption tower 31 from steam entry 35, and the organic solvent vapor under being desorbed is flowed into from the outlet of A adsorption tower 31
Condenser II 7 enters oil water separator 8 after the condensation of condenser II 7, recycles after stratification in oil water separator 8 organic
Exhaust gas pretreated in step b is passed through in B adsorption tower 32 and is once inhaled when parsing to A adsorption tower 31 by solvent
Attached processing, the exhaust gas after an adsorption treatment, which enters back into, carries out second adsorption in C adsorption tower 33, exports to B adsorption tower 32 useless
Organic solvent concentration reaches certain value in gas, and A adsorption tower 31 parses when finishing, and is carried out to A adsorption tower 31 by purging motor 5
After purging cooling, then row changes C adsorption tower 33 once absorption, 31 second adsorption of A adsorption tower into, parses to B adsorption tower 32, such as
This is reciprocal, can uninterruptedly separate and recover organic solvent.
Claims (7)
- The recyclable device of the exhaust gas organic solvent of 1.2- cyano -4'- bromomethylbiphenyl, which is characterized in that including sequentially connected Condenser I, sprinkling equipment and adsorption plant, the sprinkling equipment include alkali spray thrower and water spray device, the adsorption plant packet Include A adsorption tower, B adsorption tower and C adsorption tower.
- 2. the recyclable device of the exhaust gas organic solvent of 2- cyano -4'- bromomethylbiphenyl according to claim 1, feature It is, further includes recycling design collecting tank, the outlet of the condenser I is connected with recycling design collecting tank.
- 3. the recyclable device of the exhaust gas organic solvent of 2- cyano -4'- bromomethylbiphenyl according to claim 1, feature Be, further include purging motor, the purging motor by sweeping wind pipe respectively with A adsorption tower, B adsorption tower and C adsorption tower phase Connection.
- 4. the recyclable device of the exhaust gas organic solvent of 2- cyano -4'- bromomethylbiphenyl according to claim 1, feature It is, the A adsorption tower, B adsorption tower and C adsorption tower are provided with waste gas outlet and steam entry in tower top, and the water steams Vapour inlet passes through water vapour admission line and is connected to water vapour.
- 5. the recyclable device of the exhaust gas organic solvent of 2- cyano -4'- bromomethylbiphenyl according to claim 2, feature It is, further includes condenser II and oil water separator, the entrance of the condenser II is adsorbed with A adsorption tower, B adsorption tower, C respectively The outlet of tower is connected, and the outlet of the condenser II is connected with the entrance of oil water separator, and the oil water separator has Solvent outlet is connected with recycling design collecting tank.
- 6. the exhaust gas organic solvent recovery method of 2- cyano -4'- bromomethylbiphenyl, which is characterized in that utilize returning for organic solvent Receiving apparatus realizes the recycling of the organic solvent in exhaust gas by condensation, spray, absorption and layering removal process.
- 7. the exhaust gas organic solvent recovery method of 2- cyano -4'- bromomethylbiphenyl according to claim 6, feature exist In, specific steps are as follows:A, the first condensation of exhaust gas: the exhaust gas containing organic solvent being discharged from workshop is passed through condenser I, part organic solvent exists It is condensed into liquid in condenser I, is flow in recycling design collecting tank from the outlet of condenser I；B, the pretreatment of exhaust gas: the exhaust gas for being mingled with organic solvent that failed to condensation in above-mentioned steps a is passed through sprinkling equipment, via Alkali spray thrower and water spray device carry out absorption pretreatment；C, the adsorption treatment of exhaust gas: the pretreated exhaust gas in above-mentioned steps b, which is passed through in A adsorption tower, to carry out at primary absorption It manages, the exhaust gas after an adsorption treatment, which enters back into, carries out second adsorption in B adsorption tower, C adsorption tower is stand-by, when A adsorption column outlet Exhaust gas in organic solvent concentration when reaching certain value, stop absorption；D, the separation and recovery of organic solvent: after absorption stops, A adsorption tower being parsed, water vapour is via water vapour air inlet pipe Road enters in A adsorption tower from steam entry, and the organic solvent vapor under being desorbed flows into condenser II from the outlet of A adsorption tower, Enter oil water separator after the condensation of condenser II, recycles organic solvent after stratification in oil water separator, adsorbed to A When tower is parsed, exhaust gas pretreated in step b is passed through in B adsorption tower and carries out an adsorption treatment, at primary absorption Exhaust gas after reason, which enters back into, carries out second adsorption in C adsorption tower, reach one to organic solvent concentration in the exhaust gas of B adsorption column outlet Definite value, and A adsorption tower parses when finishing, after carrying out purging cooling by purging motor to A adsorption tower, then row changes C adsorption tower into Primary absorption, A adsorption tower second adsorption, parse B adsorption tower, and so on, can uninterruptedly separate and recover organic solvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293800.XA CN110102146A (en) | 2019-04-12 | 2019-04-12 | The recyclable device and method of 2- cyano -4 '-bromomethylbiphenyl exhaust gas organic solvent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293800.XA CN110102146A (en) | 2019-04-12 | 2019-04-12 | The recyclable device and method of 2- cyano -4 '-bromomethylbiphenyl exhaust gas organic solvent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110102146A true CN110102146A (en) | 2019-08-09 |
Family
ID=67485460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910293800.XA Pending CN110102146A (en) | 2019-04-12 | 2019-04-12 | The recyclable device and method of 2- cyano -4 '-bromomethylbiphenyl exhaust gas organic solvent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110102146A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546841A (en) * | 2020-12-15 | 2021-03-26 | 格林美（江苏）钴业股份有限公司 | Cobalt extraction acidic mixed organic waste gas treatment method and equipment |
| CN112774396A (en) * | 2020-12-23 | 2021-05-11 | 产学研(广州)环境服务有限公司 | VOCs device is retrieved in high-efficient absorption |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201135949Y (en) * | 2007-12-17 | 2008-10-22 | 蔡志煌 | Spraying paint organic waste gas cleaning, recovering and harnessing arrangement |
| CN201316588Y (en) * | 2008-12-02 | 2009-09-30 | 寿光富康制药有限公司 | Organic waste gas adsorption and recycling device |
| CN101829473A (en) * | 2010-05-18 | 2010-09-15 | 沈阳石蜡化工有限公司 | Process for purifying organic waste gas and reclaiming organic solvent |
| KR20120046982A (en) * | 2010-11-03 | 2012-05-11 | 세계화학공업(주) | The apparatus for volatile organic compoundsand and method for recovery of volatile organic compounds |
| CN106362571A (en) * | 2016-09-30 | 2017-02-01 | 合肥国轩高科动力能源有限公司 | Device and method for treating organic waste gas generated in recycling process of power lithium battery |
| CN106693582A (en) * | 2017-01-05 | 2017-05-24 | 南京大学 | Method for separating and recycling organic solvent from dregs evaporation tail gas |
| CN108144404A (en) * | 2018-01-17 | 2018-06-12 | 江苏阿尔法药化设备有限公司 | A kind of workshop tail gas purifying processing device and its technique |
| KR101926171B1 (en) * | 2018-06-15 | 2018-12-06 | 한국산업기술시험원 | Apparatus for recovering volatile organic solvent |
| CN109316933A (en) * | 2018-10-19 | 2019-02-12 | 唐钢美锦（唐山）煤化工有限公司 | Volatility dispersing gas purification process in a kind of coke-stove gas condensation process |
-
2019
- 2019-04-12 CN CN201910293800.XA patent/CN110102146A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201135949Y (en) * | 2007-12-17 | 2008-10-22 | 蔡志煌 | Spraying paint organic waste gas cleaning, recovering and harnessing arrangement |
| CN201316588Y (en) * | 2008-12-02 | 2009-09-30 | 寿光富康制药有限公司 | Organic waste gas adsorption and recycling device |
| CN101829473A (en) * | 2010-05-18 | 2010-09-15 | 沈阳石蜡化工有限公司 | Process for purifying organic waste gas and reclaiming organic solvent |
| KR20120046982A (en) * | 2010-11-03 | 2012-05-11 | 세계화학공업(주) | The apparatus for volatile organic compoundsand and method for recovery of volatile organic compounds |
| CN106362571A (en) * | 2016-09-30 | 2017-02-01 | 合肥国轩高科动力能源有限公司 | Device and method for treating organic waste gas generated in recycling process of power lithium battery |
| CN106693582A (en) * | 2017-01-05 | 2017-05-24 | 南京大学 | Method for separating and recycling organic solvent from dregs evaporation tail gas |
| CN108144404A (en) * | 2018-01-17 | 2018-06-12 | 江苏阿尔法药化设备有限公司 | A kind of workshop tail gas purifying processing device and its technique |
| KR101926171B1 (en) * | 2018-06-15 | 2018-12-06 | 한국산업기술시험원 | Apparatus for recovering volatile organic solvent |
| CN109316933A (en) * | 2018-10-19 | 2019-02-12 | 唐钢美锦（唐山）煤化工有限公司 | Volatility dispersing gas purification process in a kind of coke-stove gas condensation process |
Non-Patent Citations (1)
| Title |
|---|
| 王志良等: "《精细化工行业废气污染物控制技术及示范》", 31 May 2014, 中国环境出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546841A (en) * | 2020-12-15 | 2021-03-26 | 格林美（江苏）钴业股份有限公司 | Cobalt extraction acidic mixed organic waste gas treatment method and equipment |
| CN112774396A (en) * | 2020-12-23 | 2021-05-11 | 产学研(广州)环境服务有限公司 | VOCs device is retrieved in high-efficient absorption |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104107629B (en) | A kind of smoke carbon dioxide capture system and capture method | |
| CN106281476B (en) | A kind of method of sour gas in low temperature washing device for methanol and a kind of removing synthesis gas | |
| CN102218261B (en) | Method and equipment for collecting carbon dioxide from fuel gas by using ammonia water fine spraying | |
| CN106693648A (en) | Carbon dioxide capture system by employing ammonia process of strengthening crystallization and method of carbon dioxide capture system | |
| CN101185825A (en) | Oil gas recovery method and device using absorption method and membrane separating method integration technology | |
| CN110102146A (en) | The recyclable device and method of 2- cyano -4 '-bromomethylbiphenyl exhaust gas organic solvent | |
| CN208893656U (en) | The equipment of NMP recycling heat pump distillation in a kind of production of lithium electricity | |
| CN106479578A (en) | A kind of acid gas removal technique of supporting coal gasification | |
| CN205323494U (en) | Organic waste gas solvent absorbs retrieves clean system | |
| CN108144408A (en) | A kind of recovery system for organic solvent and its recovery method | |
| CN202715264U (en) | Viscose fibre waste gas condensing device | |
| CN102911704B (en) | Method for comprehensive oil gas recovery | |
| CN205288056U (en) | Useless ammonia processing system of propane diamine production line | |
| CN106397293A (en) | Device and method for recycling and purifying N-methylpyrrolidone gas | |
| CN203971736U (en) | A kind of smoke carbon dioxide capture system | |
| CN207745678U (en) | A kind of skid-mounted type strengthens the device of absorption process improvement organic exhaust gas containing VOC | |
| CN206604366U (en) | One kind reinforcing crystallization ammonia process carbon dioxide capture system | |
| CN208824247U (en) | The processing unit of hydrogen purification in a kind of plus hydrogen tail gas | |
| CN102908870A (en) | Method for oil gas recovery | |
| CN113041719A (en) | Organic solvent absorption method and device for tail gas of PVC glove production process | |
| CN102380288B (en) | Oil and gas recovery method by absorption-adsorption integrated technology and its device | |
| CN216191074U (en) | Hydrogen recovery device in synthetic ammonia purge gas | |
| CN206285702U (en) | The governing system of waste gas in a kind of viscose rayon production | |
| CN111495150A (en) | Organic waste gas recovery treatment process in industrial cyanate resin production | |
| CN205216525U (en) | Associated gas decarbonization clean system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190809 |
|
| RJ01 | Rejection of invention patent application after publication |