CN109200735A - A kind of processing method of hydrogen peroxide oxidation tail gas - Google Patents
A kind of processing method of hydrogen peroxide oxidation tail gas Download PDFInfo
- Publication number
- CN109200735A CN109200735A CN201710521454.7A CN201710521454A CN109200735A CN 109200735 A CN109200735 A CN 109200735A CN 201710521454 A CN201710521454 A CN 201710521454A CN 109200735 A CN109200735 A CN 109200735A
- Authority
- CN
- China
- Prior art keywords
- tail gas
- membrane
- processing method
- passed
- gas
- 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.)
- Granted
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
- B01D53/22—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 diffusion
- B01D53/228—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 diffusion characterised by specific membranes
-
- 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
- B01D53/22—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 diffusion
- B01D53/229—Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)
-
- 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
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
A kind of processing method of hydrogen peroxide oxidation tail gas, separates tail gas by membrane separator, and the film in membrane separator is silicon rubber/poly- maple composite membrane, and membrane aperture is 0.01um~1.0um, and internal diameter is 0.1mm~1.0mm, and wall thickness is 0.5mm~1.5mm；Passing through low-carbon alcohols immersion treatment using preceding, and through three phases inert gas or nitrogen treatment.The membrane separator that specially treated is utilized in exhaust gas treating method of the invention, changes the transmission characteristic of film, eliminates the molecular weight polymers impurity in membrane module, keep membrane module pore-size distribution more uniform, can efficiently separate the aromatic component in recycling tail gas；The present invention also has the advantages that equipment investment expense is low, service life is long, easy to operate, low energy consumption.
Description
Technical field
The present invention relates to the processing method of tail gas in hydrogen peroxide production process, it is related to the side that aromatics seperation recycles in tail gas
Method.
Background technique
The tail gas of hydrogen dioxide solution production by anthraquinone process comes from oxidizing tower, after tail gas condensing (10 DEG C -20 DEG C), arene content in tail gas
Reach 20g/m3-30g/m3.Aromatic hydrocarbons high volatility is easy to run with gas phase and damage, and aromatic hydrocarbons belongs to benezene material, if recycling not in time
To the seriously polluted of environment.General processing method is that this tail gas is first passed through to heat exchanger to condense most of aromatic hydrocarbons gas, then sharp
Use the pressure of oxidized tail gas as power, by expanding unit sub-cooled, heavy aromatics in further condensing recovery tail gas, then
By being directly vented after carbon fiber adsorption and catalytic combustion.
Due to the liquid-drop diameter very little for the liquid aromatic hydrocarbons carried secretly in tail gas, usual 1um-l0um, using common condensation-suction
It is attached other than adsorbing gas aromatic hydrocarbons therein, also to adsorb wherein in the form of droplet existing for aromatic hydrocarbons, this is greatly increased
The load of adsorbent equipment, this method carbon fiber need to regularly replace, and the high operation expense of steam consumption is higher, fragrant in emptying end gas
Hydrocarbon content fluctuation is big, and tail gas recycle ability higher for arene content is limited, and middle arene content of dropping a hint is easily exceeded, both influences
Environment and waste of resource.
To solve the above-mentioned problems, patent CN1483503A discloses a kind of the net of aromatic hydrocarbons in tail gas of oxydol production apparatus
Change-recovery method, this method remove the aromatic hydrocarbons in tail gas as adsorbent using by pretreated activated-carbon catalyst, then
With superheated steam or N2Desorption consumption is carried out in 120 DEG C -400 DEG C-lower heat.
Patent CN106139824A and CN204550425A disclose a kind of hydrogen peroxide oxidation tail gas recycling device, packet
It includes through the sequentially connected absorption tower of pipeline, rich solution slot, stripper, separator, accumulator tank, rectifying column and refinery pit；The device
It is additionally provided with lean liquid tank, discharge port is connected to absorption tower, and stripper and rectifying column are equipped with the feed inlet that pipeline is connected to lean liquid tank,
The top on absorption tower is equipped with emptying pipeline;The top on absorption tower is equipped with adsorption tanks, is filled with carbon fiber in adsorption tanks.
Description is using in two adsorbent bed alternating sorbents and desorption tail gas filled with adsorbent in patent CN1973958A
Organic matter, desorption gas uses compressed air or nitrogen regeneration adsorbent, then utilizes existing cooler, absorption tower, spray column
Etc. the recycling aromatic hydrocarbons such as equipment.
Patent CN102008862A discloses recyclable device and the recycling side of a kind of aromatic hydrocarbon in tail gas in hydrogen peroxide production process
Method, this method will largely be condensed using a kind of condensing mode in aromatic hydrocarbons, then using in a kind of gas-liquid removal device removal tail gas
Aromatic hydrocarbons drop, then absorb aromatic hydrocarbons further with a kind of adsorbent equipment to reach relevant emission standards.
Patent CN106139789A and CN204543898A disclose a kind of raising hydrogen peroxide oxidation tail gas aromatic recovery rate
Device, including first-stage condenser, intermediate knockout drum, secondary condenser, cyclone separator, oil water separator.
Patent CN202700289A discloses a kind of for hydrogen peroxide oxidation exhaust gas processing device, comprising: outside membrane filter
Portion is a tank body, and tank body lower part left side is provided with gas inlet, and offgas outlet, drop in trapping filtering gaseous state are arranged at top.
The exhaust gas processing device mentioned in document above, generally existing operating cost is high, and process is complicated, and energy consumption is high, staticizes
The problems such as treatment effect is undesirable, therefore suitable mode is taken sufficiently to recycle the aromatic hydrocarbons in tail gas, reach emptying end gas stabilization
Mark discharge has great importance to reduction production cost, protection environment.
Summary of the invention
For solve the exhaust gas treating method generated in hydrogen peroxide production process in the prior art there are complex treatment process, at
This height and vent gas treatment effect problem not up to standard, the present invention is quasi- to provide a kind of exhaust gas treating method, with limited means process film
Component simultaneously carries out separating treatment to tail gas using membrane separator, sufficiently recycles the aromatic hydrocarbons in tail gas, emission is made to reach standard.
To realize the above-mentioned technical purpose, the present invention uses following technological means:
The present invention provides a kind of processing method of hydrogen peroxide oxidation tail gas, by tail gas condensing to 5 DEG C ~ 30 DEG C, is passed through membrane separator
UF membrane is carried out, the aromatic hydrocarbons in tail gas, cleaning of off-gas are recycled；
Wherein, the film in the membrane separator is the compound organic film of doughnut, and membrane aperture is 0.01um~1.0um, and internal diameter is
0.1mm~1.0mm, wall thickness are 0.5mm~1.5mm；
The membrane reactor is handled in the following manner using preceding:
4h~for 24 hours is first impregnated at 50 DEG C~200 DEG C with low-carbon alcohols, three phases is then divided to be passed through inert gas or nitrogen, the
The condition that one stage was passed through inert gas or nitrogen is pressure 0.5MPa-1.0MPa, -80 DEG C of temperature 50 C, flow velocity 1m3/h-
5m3/h；The condition that second stage is passed through inert gas or nitrogen is pressure 0.8MPa-1.0MPa, -80 DEG C of temperature 60 C, flow velocity
For 3m3/h-5m3/h；The condition that phase III is passed through inert gas or nitrogen is pressure 1.0MPa-1.5MPa, 90 DEG C -100 of temperature
DEG C, flow velocity 6m3/h-8m3/h。
In above-mentioned processing method, it will be apparent to a skilled person that the hydrogen peroxide oxidation tail gas refers to
Tail gas caused by oxidation stage, mainly air and heavy aromatics during hydrogen dioxide solution production by anthraquinone process, are unable to direct emission, need
Aromatic component is recycled.
In above-mentioned processing method, tail gas more preferably condenses to 10 DEG C ~ 20 DEG C.
In above-mentioned processing method, the compound organic film of doughnut is preferably silicon rubber/polysulfone composite membrane.As into
One step it is preferred, membrane aperture be 0.01um~0.6um, more preferably 0.01um~0.4um；Internal diameter is 0.2mm~1.0mm, more
Preferably 0.2mm~0.8mm；Membranous wall thickness is 0.5mm~1.0mm, more preferably 0.5mm~0.8mm.
In above-mentioned processing method, as a further preference, the low-carbon alcohols are selected from C1-C7N-alkanol and isomery alcohol
At least one of, preferably C1-C4N-alkanol and at least one of isomery alcohol, more preferable C1-C3N-alkanol and isomery
At least one of alcohol.
It the use of the condition that low-carbon alcohols are impregnated is preferably 50 DEG C -150 as a further preference in above-mentioned processing method
12h-24h is impregnated at a temperature of DEG C.
In above-mentioned processing method, immersion of the present invention is subject to liquid and there completely was not membrane module.
In above-mentioned processing method, the membrane separator includes shell and membrane module, and membrane module is arranged in shell, in shell
One end of body and membrane module are equipped with gas inlet parallel, are equipped with parallel in the other end and membrane module of shell and seep residual air outlet, shell
Body side surface is equipped with the aromatic hydrocarbons outlet for penetrating film.
During membrane separator handles tail gas, tail gas walks film in membrane module internal flow, the aromatic component for penetrating film
Component outer tube is, it can be achieved that effective recycling to aromatic component.
Compared with prior art, hydrogen peroxide oxidation exhaust gas treating method of the invention has the advantage that
1. the present invention is impregnated membrane separator, stage by stage with inert gas or nitrogen progress with low-carbon alcohols under given conditions
The mode of processing eliminates the molecular weight polymers impurity in membrane module, keeps membrane module pore-size distribution more uniform, be more advantageous to
The enrichment of aromatic component.
2. hydrogen peroxide oxidation exhaust gas treating method of the invention, compared with other techniques, low with equipment investment expense,
The advantages of service life is long, easy to operate, low energy consumption；Membrane separator separation selectivity after specially treated is good, separation effect
Rate is high, effectively recycles the aromatic component in tail gas, higher by 2% than without the membrane module recovery efficiency of processing, realizes aromatic hydrocarbons group
Divide more effectively recycling, and entire technique does not generate secondary pollution.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The concrete technology flow process figure of hydrogen peroxide oxidation tail gas is handled used in Fig. 1 embodiment；
The structural schematic diagram of Fig. 2 membrane separator；
Wherein 1. first-stage condenser, 2. membrane separators, 3. oil water separators, 4. valve Is, 5. valves II, tail gas goes out after 21. purifications
Mouthful, 22. shells, 23. membrane modules, 24. gas inlets, the outlet of 25. aromatic hydrocarbons.
Specific embodiment
Following non-limiting embodiments can with a person of ordinary skill in the art will more fully understand the present invention, but not with
Any mode limits the present invention.
In the examples below, it is all made of technological process device shown in FIG. 1 to handle hydrogen peroxide oxidation tail gas, such as
Shown in Fig. 1 and 2, tail gas is condensed by first-stage condenser 1 to 5 DEG C -30 DEG C, enters UF membrane by gas inlet 24 by valve I 4
The lower part of device 2, membrane separator has shell 22, is equipped with membrane module 23 in shell, parallel in one end of shell 22 and membrane module 23
Equipped with gas inlet 24, in the parallel offgas outlet 21 after being equipped with purification of the other end and membrane module 23 of shell 22, housing side is set
There is aromatic hydrocarbons to export 25.Hydrogen peroxide oxidation tail gas is purified in 23 internal flow of membrane module by film, is gone out later by tail gas after purification
Mouth 21 directly empties, and the aromatic component of permeable membrane is walked by 25 discharge of aromatic hydrocarbons outlet outside membrane module, into oil water separator 3.Oil
It is equipped with partition in separator 3, isolates aromatic hydrocarbons, recoverable.
Film parameters used in embodiment are shown in Table 1.
Table 1
Embodiment 1
Following processing has been carried out to membrane module before being passed through tail gas, by membrane module in isopropanol solvent, 50 DEG C of immersion 12h, so
After divide three phases to be passed through nitrogen, the condition that the first stage is passed through nitrogen is pressure 0.5MPa, 80 DEG C of temperature, flow velocity 5m3/h；
The condition that second stage is passed through nitrogen is pressure 0.8MPa, temperature 60 C, flow velocity 3m3/h；Phase III is passed through the item of nitrogen
Part be pressure 1.5MPa, 100 DEG C of temperature, flow velocity 8m3/ h, after treatment are used for hydrogen peroxide oxidation tail gas clean-up.By tail gas
10 DEG C are condensed to, using the different hydrogen peroxide oxidation tail gas of 10 kind arene contents of the process flow shown in FIG. 1 to number 1 ~ 10
It is handled, the results are shown in Table 2.
Embodiment 2
According to the method for embodiment 1, isopropanol is only changed to ethyl alcohol, the results are shown in Table 2.
Embodiment 3
According to the method for embodiment 1, isopropanol is only changed to n-butanol, the results are shown in Table 2.
Embodiment 4
According to the method for embodiment 1, isopropanol is only changed to octanol, the results are shown in Table 2.
Embodiment 5
According to the method for embodiment 1, machine membrane module is compounded with to doughnut before being passed through tail gas and has carried out following processing: by film
For component in alcohol solvent, then 80 DEG C of immersion 12h divide three phases to be passed through nitrogen, the condition that the first stage is passed through nitrogen is
Pressure 1.0MPa, 80 DEG C of temperature, flow velocity 5m3/h；Second stage be passed through nitrogen condition be pressure 0.8MPa, temperature 60 C,
Flow velocity is 3m3/h；Phase III be passed through nitrogen condition be pressure 1.5MPa, 100 DEG C of temperature, flow velocity 6m3/ h, processing terminate
It is used for hydrogen peroxide oxidation tail gas clean-up afterwards.It the results are shown in Table 2.
Embodiment 6
According to the method for embodiment 1, ethyl alcohol is only changed to sec-butyl alcohol, the results are shown in Table 2.
Embodiment 7
According to the method for embodiment 1, ethyl alcohol is only changed to methanol, the results are shown in Table 2.
Embodiment 8
According to the method for embodiment 1, machine membrane module is compounded with to doughnut before being passed through tail gas and has carried out following processing: by film
In methanol solvate, 50 DEG C are impregnated for 24 hours component, then divide three phases to be passed through nitrogen, the condition that the first stage is passed through nitrogen is
Pressure 1.0MPa, 80 DEG C of temperature, flow velocity 5m3/h；Second stage be passed through nitrogen condition be pressure 0.8MPa, 80 DEG C of temperature,
Flow velocity is 3m3/h；Phase III be passed through nitrogen condition be pressure 1.5MPa, 100 DEG C of temperature, flow velocity 8m3/ h, processing terminate
It is used for hydrogen peroxide oxidation tail gas clean-up afterwards.It the results are shown in Table 2.
Embodiment 9
According to the method for embodiment 10, methanol is only changed to ethyl alcohol, the results are shown in Table 2.
Embodiment 10
According to the method for embodiment 10, methanol is only changed to isopropanol, the results are shown in Table 2.
Embodiment 11
According to the method for embodiment 10, methanol is only changed to butanol, the results are shown in Table 2.
Comparative example 1
According to patent CN202700289U method, the hydrogen peroxide oxidation tail gas different to 10 kinds of arene contents of number 1 ~ 10 is carried out
Processing, the results are shown in Table 2.
From table 2 it can be seen that in comparative example using not pretreated membrane filter to hydrogen peroxide oxidation tail gas at
Reason, and special processing has first been carried out in method of the invention to membrane separator, in terms of processing result, method processing of the invention
Aromatic component content at least about reduces by 2% than the method for comparative example in tail gas afterwards, realizes and more effectively returns to aromatic component
It receives.
Claims (8)
1. a kind of processing method of hydrogen peroxide oxidation tail gas is passed through membrane separator and carries out film point by tail gas condensing to 5 DEG C ~ 30 DEG C
From, recycle tail gas in aromatic hydrocarbons, cleaning of off-gas；
Wherein, the film in the membrane separator is the compound organic film of doughnut, and membrane aperture is 0.01um~1.0um, and internal diameter is
0.1mm~1.0mm, wall thickness are 0.5mm~1.5mm；
The membrane reactor is handled in the following manner using preceding:
4h~for 24 hours is first impregnated at 50 DEG C~200 DEG C with low-carbon alcohols, three phases is then divided to be passed through inert gas or nitrogen, the
The condition that one stage was passed through inert gas or nitrogen is pressure 0.5MPa-1.0MPa, -80 DEG C of temperature 50 C, flow velocity 1m3/h-
5m3/h；The condition that second stage is passed through inert gas or nitrogen is pressure 0.8MPa-1.0MPa, -80 DEG C of temperature 60 C, flow velocity
For 3m3/h-5m3/h；The condition that phase III is passed through inert gas or nitrogen is pressure 1.0MPa-1.5MPa, 90 DEG C -100 of temperature
DEG C, flow velocity 6m3/h-8m3/h。
2. processing method according to claim 1, which is characterized in that tail gas condensing is to 10 DEG C ~ 20 DEG C.
3. processing method according to claim 1, which is characterized in that the compound organic film of doughnut be silicon rubber/
Polysulfone composite membrane.
4. processing method according to claim 1, which is characterized in that the silicon rubber/poly- maple composite membrane membrane aperture is
0.01um~0.6um, internal diameter are 0.2mm~1.0mm, and wall thickness is 0.5mm~1.0mm.
5. processing method according to claim 1, which is characterized in that the silicon rubber/poly- maple composite membrane membrane aperture is
0.01um~0.4um, internal diameter are 0.2mm~0.8mm, and wall thickness is 0.5mm~0.8mm.
6. processing method according to claim 1, which is characterized in that the low-carbon alcohols are selected from C1-C7N-alkanol and isomery
At least one of alcohol.
7. processing method according to claim 6, which is characterized in that the low-carbon alcohols are selected from C1-C4N-alkanol and isomery
At least one of alcohol.
8. processing method according to claim 3 or 4, which is characterized in that using low-carbon alcohols impregnate condition be 50 DEG C-
12h-24h is impregnated at a temperature of 150 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710521454.7A CN109200735B (en) | 2017-06-30 | 2017-06-30 | Method for treating hydrogen peroxide oxidized tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710521454.7A CN109200735B (en) | 2017-06-30 | 2017-06-30 | Method for treating hydrogen peroxide oxidized tail gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109200735A true CN109200735A (en) | 2019-01-15 |
| CN109200735B CN109200735B (en) | 2021-06-04 |
Family
ID=64960874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710521454.7A Active CN109200735B (en) | 2017-06-30 | 2017-06-30 | Method for treating hydrogen peroxide oxidized tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109200735B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797364A (en) * | 2022-05-07 | 2022-07-29 | 山东明化新材料有限公司 | Green production method and system for realizing carbon emission reduction by hydrogen peroxide tail gas self-circulation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6179996B1 (en) * | 1998-05-22 | 2001-01-30 | Membrane Technology And Research, Inc. | Selective purge for hydrogenation reactor recycle loop |
| CN1425486A (en) * | 2002-06-25 | 2003-06-25 | 南化集团研究院 | Recovery technology for volatile organism in mixed gas |
| CN202700289U (en) * | 2012-01-19 | 2013-01-30 | 江苏理文化工有限公司 | Device for processing hydrogen peroxide oxidation tail gas |
| CN205164447U (en) * | 2015-11-30 | 2016-04-20 | 青岛德尔通用环保科技有限公司 | Organic waste gas recovery device |
| CN105585417A (en) * | 2014-10-23 | 2016-05-18 | 中国石油化工股份有限公司 | Method for producing ethyl benzene from exhaust gas of polyethylene device |
| CN206081719U (en) * | 2016-10-19 | 2017-04-12 | 华南师范大学 | An organic waste gas purifier |
| CN106673962A (en) * | 2015-11-09 | 2017-05-17 | 中国石油化工股份有限公司 | Preparation method of isopropanol |
-
2017
- 2017-06-30 CN CN201710521454.7A patent/CN109200735B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6179996B1 (en) * | 1998-05-22 | 2001-01-30 | Membrane Technology And Research, Inc. | Selective purge for hydrogenation reactor recycle loop |
| CN1425486A (en) * | 2002-06-25 | 2003-06-25 | 南化集团研究院 | Recovery technology for volatile organism in mixed gas |
| CN202700289U (en) * | 2012-01-19 | 2013-01-30 | 江苏理文化工有限公司 | Device for processing hydrogen peroxide oxidation tail gas |
| CN105585417A (en) * | 2014-10-23 | 2016-05-18 | 中国石油化工股份有限公司 | Method for producing ethyl benzene from exhaust gas of polyethylene device |
| CN106673962A (en) * | 2015-11-09 | 2017-05-17 | 中国石油化工股份有限公司 | Preparation method of isopropanol |
| CN205164447U (en) * | 2015-11-30 | 2016-04-20 | 青岛德尔通用环保科技有限公司 | Organic waste gas recovery device |
| CN206081719U (en) * | 2016-10-19 | 2017-04-12 | 华南师范大学 | An organic waste gas purifier |
Non-Patent Citations (1)
| Title |
|---|
| 张庆瑞等: "《碳膜材料分离工程》", 31 January 2017 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797364A (en) * | 2022-05-07 | 2022-07-29 | 山东明化新材料有限公司 | Green production method and system for realizing carbon emission reduction by hydrogen peroxide tail gas self-circulation |
| CN114797364B (en) * | 2022-05-07 | 2023-11-17 | 山东明化新材料有限公司 | Environment-friendly production method and system for realizing carbon emission reduction by hydrogen peroxide tail gas self-circulation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109200735B (en) | 2021-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105289217B (en) | VOCs recycling systems in a kind of waste gas | |
| CN104524929A (en) | Efficient energy-saving purification and recovery process of tail gas containing volatile organic compounds (VOCs) | |
| CN101259357A (en) | Method and device for recovering organic solvent from waste gases of printing industry | |
| CN204746030U (en) | Carbon dioxide gas's device is absorbed to sled dress formula suitable for platform | |
| CN101062460A (en) | Method and device for removing hydrogen sulphide from mixture gas containing low-concentration hydrogen sulphide | |
| CN101219919B (en) | Method for purifying and recycling methyl hydride from garbage landfill gas | |
| CN102441310A (en) | Method for recovering oil gas and device | |
| CN107413183A (en) | A kind of organic gas withdrawal processing technique and complexes | |
| CN107433107A (en) | C2+ two sections of points of concentration PSA methods are reclaimed from oil refinery dry gas | |
| WO2012120948A1 (en) | Method for removing organic solvent, and removal device | |
| CN111939728A (en) | Treatment device and treatment method for waste gas containing organic matters | |
| CN110756003A (en) | Method for separating tetrahydrofuran in waste gas by adopting membrane absorption treatment | |
| CN114307523A (en) | Clean production process in chemical production field | |
| CN1137753C (en) | Process for removing CO2 and H2S from biological gas | |
| CN107970735A (en) | The processing method and desulfuration adsorbent regeneration method for the tail gas that regenerative sulfur binding adsorbent produces | |
| CN101480559B (en) | Method for recycling sulfureous in flue gas using film | |
| CN109200735A (en) | A kind of processing method of hydrogen peroxide oxidation tail gas | |
| CN100391571C (en) | High performance deoiling method through adsorption of resin | |
| CN1634813A (en) | Method for purification and recovery of methane from refuse landfill gas | |
| CN109200616A (en) | The processing method of tail gas during production hydrogen peroxide | |
| CN112403200A (en) | Treatment process of styrene-containing waste gas | |
| CN207745678U (en) | A kind of skid-mounted type strengthens the device of absorption process improvement organic exhaust gas containing VOC | |
| CN109200617A (en) | The processing method of hydrogen peroxide oxidation tail gas | |
| CN109200615A (en) | A kind of processing method preparing produced tail gas during hydrogen peroxide | |
| CN210584416U (en) | Exhaust gas treatment device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230920 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sinopec (Dalian) Petrochemical Research Institute Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC Corp. |