CN106110833A - A kind of new technology processing industry VOCs waste gas - Google Patents
A kind of new technology processing industry VOCs waste gas Download PDFInfo
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- CN106110833A CN106110833A CN201610601680.1A CN201610601680A CN106110833A CN 106110833 A CN106110833 A CN 106110833A CN 201610601680 A CN201610601680 A CN 201610601680A CN 106110833 A CN106110833 A CN 106110833A
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- 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
- B01D53/1487—Removing organic compounds
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- 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
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- 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
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- 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
- B01D53/1406—Multiple stage absorption
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- 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
- B01D53/1425—Regeneration of liquid absorbents
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- 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
- B01D53/1493—Selection of liquid materials for use as absorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/20—Organic absorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- 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)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to a kind of new technology processing industry VOCs waste gas, technological process is: VOCs waste gas enters absorption tower and inversely contacts with the microemulsion from absorbing liquid storage tank, absorbs and removes part VOCs.Waste gas enters adsorption tower afterwards, contacts with activated carbon at Ta Nei, discharges after further Adsorption VOCs above adsorption tower.After the activated carbon of adsorption tower is saturated, stopping into waste gas, waste gas enters standby adsorption tower and processes.Bottom adsorption tower, activated carbon is desorbed by logical steam, and the waste gas being desorbed out and steam enter absorption tower and processes.Identical processing method is adopted after the activated carbon of standby adsorption tower is saturated.Absorbing liquid saturated laggard regeneration of absorption solution device in absorption tower processes, and the absorbing liquid regenerated is entered absorbing liquid storage tank and recycled, and the organic matter desorbed enters to reclaim storage tank, reclaims according to recovery value or burn.Whole technique is simple to operation, handling rate is high, equipment needed thereby is few, energy consumption is low, non-secondary pollution, has good market application foreground.
Description
Technical field
The present invention relates to VOCs treatment field, a kind of new technology processing industry VOCs waste gas.
Background technology
Haze is the emphasis of current atmospheric pollution control, and the main arch-criminal causing haze is PM2.5Discharge, and VOCs make
For producing PM2.5Main producers thing, its harm caused is very important.In China, VOCs(volatile organic
Compounds) volatile organic matter, refer under room temperature saturated vapor pressure more than boiling point under 70 Pa, normal pressure below 260 DEG C
Organic compound, or under the conditions of 20 DEG C, vapour pressure has corresponding volatile whole organic compounds more than or equal to 10 Pa
Thing.The current VOCs total release of China is big, in each occasion using organic solvent, as sprayed paint, printing, binding agent, system
The processing places such as medicine, plastics, rubber, oil, the most all can produce VOCs.Although as country's weight to VOCs
The reinforcement of visual range degree, constantly has the processing method for VOCs to be developed successfully, corresponding treatment effeciency and treating capacity also by
Year improves, and wherein absorption process, absorption method, condensation method, catalysis method, combustion method and bioanalysis are to have market application foreground at present
Method, but to there is application form single for these methods, uses management inconvenience, and treatment effeciency is defective and to produce secondary dirty
The problems such as dye, domestic really are able to meet each big business VOCs exhaust-gas treatment requirement, and the practical VOCs of environmental protection processes technique and still locates
In the blank stage, in addition along with increasing and the raising of all trades and professions standard of government regulation dynamics, find a kind of environmental protection effective
VOCs administering method has had become as the task of top priority.
Summary of the invention
In order to overcome above-mentioned technological deficiency, the invention provides the new technology of a kind of VOCs waste gas processing industry.
The process program that the present invention uses is:
A kind of new technology processing industry VOCs waste gas, including:
Technique is by microemulsion absorption tower, microemulsion storage tank, activated carbon adsorber, standby activated carbon adsorber, regeneration of absorption solution device
Form with reclaiming storage tank.
Technological process includes following several stages:
A. the processing stage of absorption: industry VOCs waste gas is passed through absorption tower from below, and waste gas is upwardly into packing layer in tower
Inversely contact with the absorbing liquid sprayed downwards by liquid distributor from absorbing liquid storage tank, by molten to VOCs waste gas of absorbing liquid
Solution property removes part VOCs.Experiment shows that the VOCs removal efficiency in this stage is more than 85%.
B. the adsorption treatment stage: the waste gas after absorption processes leaves above absorption tower and enters below adsorption tower
Adsorption tower, the captivation produced time in tower by contacting with activated carbon surface is removed organic exhaust gas further, is tested and show this
The removal efficiency of stage residue VOCs is more than 95%.
Discharge phase: through absorption add absorption two stages for the treatment of gas VOCs clearance more than 98%, meet country discharge
Standard, directly carries out emission treatment above adsorption tower.
D. desorption stage: technique is provided with two adsorption towers, the using and the reserved.When the activated carbon in adsorption tower reaches saturated
After, stopping being passed through waste gas, waste gas enters from below in standby adsorption tower and processes, by being passed through steam bottom adsorption tower,
Making the activated carbon in adsorption tower carry out desorption process, desorption waste gas out together leaves adsorption tower (3) with steam from top, from
Lower section enters in absorption tower and processes, and the adsorption tower being desorbed is reused after the activated carbon in activated carbon adsorber is saturated,
Standby adsorption tower carries out desorption process.
The regeneration of absorption solution stage: the absorbing liquid in absorption tower sprays and is gathered in bottom absorption tower, when reaching saturated
Entering in regeneration of absorption solution device, different with VOCs character according to absorbing liquid, the condition changed in regenerator carries out absorbing liquid again
Raw, regeneration absorbing liquid out enters in absorbing liquid storage tank and recycles, and organic entrance theed desorb is reclaimed in storage tank, root
Carry out reclaiming or burning disposal according to its recovery value.
Technique has added regeneration of absorption solution device while absorption being combined with absorption two cover systems and activated carbon takes off
Adsorption device, while improving system treatment effeciency, decreases the waste of resource.
Absorption tower uses ordinary-pressure absorption, and the absorption temperature in tower has become according to different VOCs gas inlet temperature
Changing, general control is below 35 DEG C.
Adsorption tower uses normal pressure absorption, and the adsorption temp in tower is varied from according to different VOCs waste gas, typically exists
In the range of 40-65 DEG C.
Absorption tower can use two-level absorption tower, multistage absorption tower in addition to using the single step arrangement of Fig. 1 or other is feasible
The mode that absorption equipment is combined building realizes, and absorbing liquid selected in absorption equipment is to have bigger VOCs to dissolve
Property, can be washing oil or the aqueous solution etc. containing surfactant, the selection of concrete absorbing liquid and absorption equipment can be according to concrete
Process object to change flexibly.
Adsorption tower uses the form of the using and the reserved to make adsorption tower can save replacing absorption with continuous processing VOCs waste gas
Time that agent is brought and operational inconvenience, also may be used in addition to using the scheme of adsorption tower and two adsorption towers of standby adsorption tower
Realize in the way of using the form of multi-stage absorption bed or other adsorption plants to be combined structure, the absorption selected by equipment
Agent is the material to VOCs high adsorption capacity such as activated carbon, and the selection of concrete equipment and adsorbent can be according to concrete process object
Change flexibly.
Absorbing liquid can be regenerated in the way of employing heating, centrifugal etc. changes local environment by regeneration of absorption solution device, tool
The selection of body renovation process can be changed flexibly according to concrete process object.
The beneficial effects of the present invention is:
Solving tradition VOCs process process single, treatment effeciency is poor, and absorbing liquid and adsorbent are easily saturated, and clearance reaches
Less than the shortcoming required.By two kinds of methods of absorption and absorption being combined, improve device efficiency, contained equipment is few, work
Skill is simple, and absorbing liquid and adsorbent can recycle, and greatly reduce operating cost, environmental protection, non-secondary pollution, have
Good market application foreground.
Accompanying drawing explanation
Fig. 1 show the process chart of the present invention.
Fig. 2 show the VOCs waste-gas treatment process flow figure of the embodiment of the present invention 1.
Fig. 3 show the VOCs waste-gas treatment process flow figure of the embodiment of the present invention 2.
Fig. 4 show the VOCs waste-gas treatment process flow figure of the embodiment of the present invention 3.
In figure:
1-absorption tower；2-absorbing liquid storage tank；3-adsorption tower；The standby adsorption tower of 4-；5-regeneration of absorption solution device；6-reclaims storage tank；
7-desorption column.
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being realized purpose and effect, below in conjunction with enforcement
Mode also coordinates accompanying drawing to be described in detail.
The design of most critical of the present invention is: add absorption two stages for the treatment of by absorption, improves the removal efficiency of VOCs,
Traditional absorption and absorbing process add regeneration of absorption solution and the link of adsorbent desorption, solves traditional handicraft and absorb
Liquid and absorbent are the most saturated, intractable problem, and absorbing liquid and adsorbent can recycle the operating cost reducing technique.
Embodiment 1
Specific embodiment 1 is as shown in Figure 2: VOCs waste gas is passed through in the absorption processing system being made up of first grade absorption tower 1, adopts
Absorption process is carried out, afterwards by after absorption processes at normal pressure, under conditions of 25 DEG C with the aqueous solution containing surfactant
Waste gas is passed through in the adsorption/desorption system being made up of adsorption tower 3 and standby adsorption tower 4, uses activated carbon at normal pressure, the bar of 35 DEG C
Carrying out adsorption treatment under part, the waste gas clearance after absorbing and adding absorption two stages for the treatment of reaches more than 98%, meets discharge standard,
Discharge.Activated carbon in adsorption tower 3 stops air inlet after reaching saturation, and waste gas is passed through in standby adsorption tower 4 process.
By the way of being passed through the steam of 120 DEG C bottom adsorption tower 3, the activated carbon in adsorption tower 3 is carried out desorption process, be desorbed out
Waste gas return to absorption tower 1 processes along with steam, the adsorption tower 3 processed through desorption is when the activity in standby adsorption tower
Reusing after charcoal is saturated, standby adsorption tower 4 carries out desorption and regeneration process.The aqueous solution containing surfactant in absorption tower 1
Enter in the regeneration of absorption solution device 5 being made up of centrifugal device, after centrifugal treating, obtain the organic matter absorbed and regeneration
After absorbing liquid, through regeneration absorbing liquid return in absorption tower 1 recycle, organic matter carries out burning disposal.
Embodiment 2
Specific embodiment 2 is as shown in Figure 3: VOCs waste gas is passed through in the absorption processing system being made up of two-stage absorption tower 1, uses
Aqueous solution containing surfactant at normal pressure, carry out absorption process under conditions of 30 DEG C, useless by after absorption processes afterwards
Gas is passed through in the adsorption/desorption system being made up of primary adsorption tower 3 and desorption column 9, uses activated carbon to carry out adsorption treatment, passes through
Absorb add absorption two stages for the treatment of after waste gas clearance up to 98%, meet discharge standard, discharge.Activity in adsorption tower 3
Charcoal enters into after reaching saturation in desorption column 9, carries out at desorption by the way of being passed through the steam of 120 DEG C in desorption column
Reason, the activated carbon through desorption may return to recycle in adsorption tower 3, and the waste gas desorbed returns to absorption tower 1 along with steam
In process.The aqueous solution containing surfactant in absorption tower enters into the regeneration of absorption solution device 5 being made up of heater
In, after heat treated, steaming absorbed organic matter, the absorbing liquid regenerated through pervaporation returns to circulate in absorption tower 1 make
With, organic matter carries out burning disposal.
Embodiment 3
Specific embodiment 3 is as shown in Figure 4: VOCs waste gas is passed through in the absorption processing system being made up of first grade absorption tower 1, adopts
Carry out absorption process with washing oil at normal pressure, under conditions of 25 DEG C, the waste gas after absorption processes is passed through is inhaled by two-stage afterwards
In the adsorption/desorption system of attached tower 3 and desorption column 9 composition, use activated carbon to carry out adsorption treatment, add absorption two-stage through absorbing
Waste gas clearance after process reaches more than 98%, meets discharge standard, discharges.Activated carbon in adsorption tower 3 reaches saturated shape
Enter in desorption column 9 after state, by the way of being passed through 120 DEG C of steam in desorption column, carry out desorption process, through the work of desorption
Property charcoal may return in adsorption tower 3 recycle, the waste gas being desorbed out comes back to process in absorption tower 1 along with steam.
Washing oil in absorption tower 1 enters in the regeneration of absorption solution device 5 being made up of heater, steams and absorbed after heat treated
Organic matter carry out burning disposal, through regeneration absorbing liquid return in absorption tower 1 recycle.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description and accompanying drawing content are made convert, or are directly or indirectly used in other relevant skills
Art field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (8)
1. the new technology processing industry VOCs waste gas, it is characterised in that: technique is by microemulsion absorption tower (1), microemulsion storage
Tank (2), activated carbon adsorber (3), standby activated carbon adsorber (4), regeneration of absorption solution device (5) and recovery storage tank (6) composition.
A kind of process industry VOCs exhaust-gas treatment new technology the most according to claim 1, it is characterised in that including:
A., the processing stage of absorption: industry VOCs waste gas is passed through absorption tower (1) from below, waste gas is upwardly into packing layer in tower
Inversely contact, by absorbing liquid to VOCs waste gas with the absorbing liquid sprayed downwards by liquid distributor from absorbing liquid storage tank (2)
Dissolubility remove part VOCs, experiment show that the VOCs removal efficiency in this stage is more than 85%;；
B. the adsorption treatment stage: the waste gas after absorption processes leaves from absorption tower (1) top and enters from adsorption tower (3) lower section
Adsorption tower (3), time in tower by contacting with activated carbon surface, the captivation of generation removes organic exhaust gas further, and experiment shows
The removal efficiency of this stage residue VOCs is more than 95%；
C. discharge phase: through absorption add absorption two stages for the treatment of gas VOCs clearance more than 98%, meet country discharge mark
Standard, directly carries out emission treatment from adsorption tower (3) top；
D. desorption stage: technique is provided with two adsorption towers, the using and the reserved；When the activated carbon in adsorption tower (3) reach saturated after,
Stopping being passed through waste gas, waste gas enters from below in standby adsorption tower (4) and processes, by being passed through steaming toward adsorption tower (3) bottom
Vapour, makes the activated carbon in adsorption tower (3) carry out desorption process, and desorption waste gas out together leaves adsorption tower from top with steam
(3), entering from below in absorption tower (1) and process, the adsorption tower (3) being desorbed is satisfied when the activated carbon in standby adsorption tower (4)
Reusing after with, standby adsorption tower (4) stops being passed through waste gas, carries out desorption and regeneration process；
E. the regeneration of absorption solution stage: the absorbing liquid in absorption tower (1) sprays and is gathered in bottom, absorption tower (1), when reaching full
With time enter in regeneration of absorption solution device (5), different with the character of VOCs according to absorbing liquid, the condition in change regenerator (5) is entered
The regeneration of row absorbing liquid, regeneration absorbing liquid out enters in absorbing liquid storage tank (2) and recycles, and the organic matter desorbed enters
Enter to reclaim in storage tank (6), carry out reclaiming or burning disposal according to its recovery value.
A kind of process industry VOCs exhaust-gas treatment new technology the most according to claim 1, it is characterised in that: technique will absorb
Add regeneration of absorption solution device (5) and activated carbon desorption apparatus while two cover systems combine with adsorbing, improve system
While treatment effeciency, decrease the waste of resource.
A kind of process industry VOCs exhaust-gas treatment new technology the most according to claim 1, it is characterised in that: absorption tower uses
Ordinary-pressure absorption, the absorption temperature in tower is varied from according to different VOCs gas inlet temperature, general control 35 DEG C with
Under.
A kind of process industry VOCs exhaust-gas treatment new technology the most according to claim 1, it is characterised in that: adsorption tower uses
Normal pressure adsorbs, and the adsorption temp in tower is varied from, typically in the range of 40-65 DEG C according to different VOCs waste gas.
A kind of process industry VOCs exhaust-gas treatment new technology the most according to claim 1, it is characterised in that: absorption tower (1)
Two-level absorption tower, multistage absorption tower or other feasible absorption equipment can be used in addition to single step arrangement to be combined building in fact
Existing, absorbing liquid selected in absorption equipment need to have bigger VOCs dissolubility, can be washing oil or containing surfactant
Aqueous solutions etc., the selection of concrete absorbing liquid and absorption equipment can be changed flexibly according to concrete process object.
A kind of process industry VOCs exhaust-gas treatment new technology the most according to claim 1, it is characterised in that: adsorption tower uses
The form of the using and the reserved so that adsorption tower can with continuous processing VOCs waste gas, save change time of being brought of adsorbent and
Operational inconvenience, can also use outside the scheme of adsorption tower (3) and (4) two adsorption towers of standby adsorption tower multi-stage absorption bed or
The form of other adsorption plants is combined building and realizes, and the adsorbent selected by equipment is that activated carbon etc. is to VOCs energy of adsorption
The material that power is strong, the selection of concrete equipment and adsorbent can be changed flexibly according to concrete process object.
A kind of process industry VOCs exhaust-gas treatment new technology the most according to claim 1, it is characterised in that: regeneration of absorption solution
Absorbing liquid can be regenerated in the way of employing heating, centrifugal etc. changes local environment by device (6), the selection of concrete renovation process
Can change flexibly according to concrete process object.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106731546A (en) * | 2016-12-19 | 2017-05-31 | 芜湖万向新元环保科技有限公司 | A kind of rubber plant's exhaust-gas treatment cleaning system |
| CN107149852A (en) * | 2017-07-24 | 2017-09-12 | 朱友富 | A kind of chloride volatile organic compounds handling process |
| CN110917809A (en) * | 2019-04-11 | 2020-03-27 | 北京诺维新材科技有限公司 | Method and device for adsorbing and regenerating solid adsorbent for adsorbing moisture |
| CN110935281A (en) * | 2019-04-11 | 2020-03-31 | 北京诺维新材科技有限公司 | Adsorption and regeneration device and method for solid adsorbent for adsorbing volatile organic compounds |
| CN111068464A (en) * | 2019-12-28 | 2020-04-28 | 清华大学 | System and method for collecting gas containing volatile organic compounds and preparing carbon nano material |
| CN111921513A (en) * | 2020-08-31 | 2020-11-13 | 天津市环境保护科学研究院 | Saturated activated carbon regeneration treatment device and method for absorbing VOCs gas |
| CN111921335A (en) * | 2020-08-17 | 2020-11-13 | 俞佳佳 | Treatment device with internal circulating activated carbon filter cylinder for waste gas treatment |
| CN113908669A (en) * | 2020-07-10 | 2022-01-11 | 中国石油化工股份有限公司 | Target organic waste gas circulation treatment system and treatment method based on low-temperature plasma |
| CN114011204A (en) * | 2021-12-13 | 2022-02-08 | 红云红河烟草(集团)有限责任公司 | Device and method for prolonging service life of activated carbon |
| CN114377518A (en) * | 2020-10-20 | 2022-04-22 | 中国石油天然气股份有限公司 | Reverse microemulsion and preparation method and application thereof |
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