CN106693648A - Carbon dioxide capture system by employing ammonia process of strengthening crystallization and method of carbon dioxide capture system - Google Patents
Carbon dioxide capture system by employing ammonia process of strengthening crystallization and method of carbon dioxide capture system Download PDFInfo
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- CN106693648A CN106693648A CN201611122636.9A CN201611122636A CN106693648A CN 106693648 A CN106693648 A CN 106693648A CN 201611122636 A CN201611122636 A CN 201611122636A CN 106693648 A CN106693648 A CN 106693648A
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/62—Carbon oxides
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
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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
- B01D2257/50—Carbon oxides
- B01D2257/504—Carbon dioxide
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- 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
- B01D2258/0283—Flue gases
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0001—Separation or purification processing
- C01B2210/0003—Chemical processing
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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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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Abstract
The invention belongs to the field of flue gas purification and carbon dioxide emission reduction, is mainly applied to carbon dioxide capture of a flue gas of a coal-fired power plant, and particularly relates to a carbon dioxide capture system by employing an ammonia process of strengthening crystallization and a method of the carbon dioxide capture system. The carbon dioxide capture system is suitable for low-partial pressure and low-pressure drop carbon dioxide capture in a flue gas in a power industry and a petrochemical industry, a traditional organic ammonia process and an ammonia process carbon capture technology are broken through, low-carbonization degree ammonia water crystallization is strengthened, the carbon dioxide capture system has the advantages of a high absorption reaction rate and a high absorbent utilization rate, ammonia escape is reduced and the regeneration energy consumption is reduced to the maximum extent.
Description
Technical field
The invention belongs to gas cleaning, carbon dioxide discharge-reduction field, the carbon dioxide of coal-fired plant flue gas is mainly used in
Trapping, and in particular to one kind reinforcing crystallization ammonia process carbon dioxide capture system and its method.
Background technology
At present, energy resource structure of the China based on coal changes difficulty greatly in a short time, Thermal Power Generation Industry CO2Discharge capacity exceedes row
Put 1/3rd of total amount.Thermal Power Generation Industry CO2Emission reduction is to reach national general CO2Effective behave of emission reduction targets.At present, it is coal-fired
Flue gas CO2Separation and recovery technology it is numerous, such as absorption process, absorption method, membrane separation process, membranes, cryogenic fractionation, based on built at present
Or in the numerous present situation of the coal fired power plant built, while considering CO in coal-fired plant flue gas2Partial pressure it is low, pressure drop is low, composition is multiple
Miscellaneous and technical matters maturity and adaptability, chemical absorption method will be that one kind is preferably selected, and be also following most possible
Realize one of technology of large-scale commercial applications operation.
Ammonia process therein is even more the significant advantage shown relative to traditional amine process.With MEA (traditional organic amine) method
Compare, there are a series of usefulness as absorbent using ammoniacal liquor, such as decarburization efficiency is high, absorbability is strong, in the absence of equipment
The problem of corrosion, oxidation degraded.
During prior art is to the research and application of ammonia process, carbon technique is typically caught using traditional.Tradition catches lacking for carbon technique
Putting is：Gaseous state the escaping of ammonia is difficult to control in ammoniacal liquor, and ammonia leakage is easily polluted to atmospheric environment；And CO in solution2Gas
Regeneration needs to consume substantial amounts of steam, causes trapping energy consumption and high cost, greatly improves the station service power consumption rate of power plant.Therefore, ammonia
Further Optimal improvements are still treated in the specific implementation that method catches carbon.
Chinese invention patent (201410822239.7) discloses a kind of thick slurry type carbon dioxide capture system, by inciting somebody to action
CO2Rich solution is crystallized, concentrated, and realizes load C O2Component further concentration or be separated in rich solution, and be delivered to regeneration
Device carries out Thermal desorption, reduces CO2The participation of regenerative process reclaimed water, reaches the purpose of consumption reduction.Although program reduction regeneration
The participation of process water, but still there is substantial amounts of moisture in thick slurry, and the latent heat and sensible heat of regenerative process reclaimed water are still very big, drop
Consumption limitation.And the patent uses traditional organic amine as absorbent, there is inherent shortcoming.
Chinese invention patent (201510188932.8) discloses a kind of regenerative system of collecting carbonic anhydride, by setting
Stripper, rich solution intermediate heater, rich solution reheater, make full use of CO2Regeneration gas waste heat and steam heat realize rich solution again
The reduction of steam heat needed for raw, the purpose of system operation cost is reduced so as to reach.The program needs to increase stripper, rich solution
The equipment such as resuperheater, rich solution reheater and a series of compression pump, increased cost, and due to big when rich solution regenerates
The presence of the liquid of amount so that steam energy consumption reduction limited potential.
The content of the invention
In order to overcome the shortcoming in above-mentioned background technology, ammonia process is crystallized present invention aim at a kind of new reinforcing is provided
Catch carbon technique, it is adaptable to low partial pressure, the trapping of low pressure drop carbon dioxide in electric power, petroleum chemical industry flue gas, breaking through tradition has
Machine amine method and ammonia process catch carbon technique, the crystallization of reinforced low-carbon degree ammoniacal liquor, with absorbing reaction speed it is fast, absorbent utilization rate is high,
The advantages of reducing the escaping of ammonia and reduce regeneration energy consumption to greatest extent.
The invention provides one kind reinforcing crystallization ammonia process carbon dioxide capture system, described reinforcing crystallization ammonia process titanium dioxide
Carbon trapping system include cooling device, absorption tower, water scrubber, washing liquid separating apparatus, crystallizer, Ethanol tank, solid-liquid separator,
Regenerator, reboiler, apparatus for separating ammonia nitrogen and ammonia absorbent regeneration utilize device；
Described cooling device and bottom, crystallizer, solid-liquid separator, regenerator, apparatus for separating ammonia nitrogen, the ammonia on absorption tower
Absorbent regeneration is sequentially connected using device；Absorbent regeneration is connected to form circulation using the top on device and absorption tower, described
Reboiler be arranged on regenerator in；
Described absorption tower is sequentially connected with water scrubber, washing liquid separating apparatus, ammonia absorbent regeneration using device；
Described connected mode is connected for pipeline.
Preferably, connect between the solid-liquid separator and Ethanol tank in described reinforcing crystallization ammonia process carbon dioxide capture system
It is connected to residual liquid processing apparatus.
Preferably, washing liquid separating apparatus and water scrubber in described reinforcing crystallization ammonia process carbon dioxide capture system
Upper end is connected, and the upper end of described water scrubber is additionally provided with supplement water inlet.
Method the invention provides collecting carbonic anhydride is carried out using corresponding system, including following process：Flue gas elder generation
By cooling device, the bottom on absorption tower is passed through after cooling, at the same time ammonia absorption agent from the top on absorption tower to tower in
Spray, the CO in flue gas2The reverse flow in tower, is fully contacted with absorbent, is absorbed by absorbent, is absorbed the cigarette of CO2
Gas flows out from the top on absorption tower and is passed through the bottom of water scrubber；
Absorb CO2Rich solution be passed into crystallizer, with from Ethanol tank export ethanol solution mix, reinforced low-carbon
The rich solution dilution crystallization of degree, generates the crystal with ammonium hydrogen carbonate as main component；The solidliquid mixture generated in crystallizer is led to
Entering solid-liquid separator carries out separation of solid and liquid, and the raffinate separated is passed through residual liquid processing apparatus and is purified, purification second out
Alcohol is passed through Ethanol tank and recycles again；The crystal separated then is passed through regenerator and carries out thermal regeneration, and reboiler steams with power plant
Steam pipe road is connected, there is provided the heat required for heating crystal regeneration；
Thermal regeneration CO out2And NH3Gaseous mixture is passed through apparatus for separating ammonia nitrogen and carries out ammonia nitrogen separation, isolates high concentration
CO2Product gas, NH3Then it is passed through absorbent regeneration and utilizes device；
The gaseous mixture of foregoing nitrogen, ammonia and water vapour from the outflow of absorption tower top be passed through washing tower bottom and with from water
Wash the supplement water that top of tower sprays inversely to meet, the ammonia in gaseous mixture is only absorbed by the water, remaining purifying smoke is from washing
Top of tower is discharged, and ammonia forms ammoniacal liquor and flows out to washing liquid separating apparatus, water lotion point from the bottom of water scrubber after being only absorbed by the water
The ammonia separated from device is passed through absorbent regeneration and is led to together with the ammonia separated from apparatus for separating ammonia nitrogen using device
Enter to absorption tower top and recycled as absorbent；The washing water separated of liquid separating apparatus be then passed through water scrubber top with
Supplement water continues to absorb the gaseous mixture in water scrubber together, so as to be circulated utilization to water.
For traditional ammonia process decarburization regenerative system, the system is that the rich solution for releasing absorption tower does not enter directly
Enter regenerator, and use the rich solution of the solventing-out process reinforced low-carbon degree with ethanol as dissolved agent to crystallize in crystallizer, so
Enter equipment for separating liquid from solid afterwards, crystal is put into regenerator and is heated, liquid is sent back in crystallizer and supplements certain ethanol again
To maintain dilution crystallization effect, the gas that regenerator is released is by nitrogen carbon separator, the ammonia being captured by ammonia and after escaping
Pneumatic transmission enters absorbent regeneration and utilizes device, then is admitted to absorption tower, is worked on as absorbent.
After ethanol is crystallized as dissolved agent reinforcing rich solution in this system, purification processes are carried out to raffinate, and ethanol is reclaimed
Utilize, saved ethanol consumption cost；Water scrubber is entered by absorption tower gas out, mode by washing with water can be removed
The ammonia of escape, it is therefore prevented that the pollution that ammonia is caused to atmospheric environment；The solution for absorbing ammonia out enters water lotion from water scrubber
Separator, wherein ammonia are continued with as absorbent, and moisture is then sent water scrubber back to and continues to wash flue gas, are reached saving and are absorbed
The purpose of agent ammonia and water.Due to need to only be heated to solid product in regenerator, it is possible to reduce due to wanting when rich solution is desorbed
Make the energy of substantial amounts of water intensification consumption, therefore can to greatest extent reduce the energy consumption of desorption process, substantially reduce power station dioxy
Change the operating cost of carbon trapping system.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is constructional device connection diagram of the invention.
Label declaration：1st, absorption tower；2nd, cooling device；3rd, water scrubber；4th, liquid separating apparatus are washed；5th, ammonia absorbent is again
Make profits and use device；6th, Ethanol tank；7th, crystallizer；8th, residual liquid processing apparatus；9th, solid-liquid separator；10th, regenerator；11st, ammonia nitrogen point
From device；12nd, reboiler；13rd, water supplement port.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, following examples be explanation of the invention and
The invention is not limited in following examples.
Embodiment：
As shown in figure 1, strengthen that ammonia process carbon dioxide capture system is crystallized the invention provides one kind, including cooling device 2,
Absorption tower 1, water scrubber 3, washing liquid separating apparatus 4, crystallizer 7, Ethanol tank 6, solid-liquid separator 9, regenerator 10, reboiler
12nd, apparatus for separating ammonia nitrogen 11 utilizes device 5 with ammonia absorbent regeneration；
Cooling device 2 and bottom, crystallizer 7, solid-liquid separator 9, regenerator 10, the apparatus for separating ammonia nitrogen 11, ammonia on absorption tower 1
Aspiration agent regeneration device 5 is sequentially connected；Absorbent regeneration is connected to form circulation using the top on device and absorption tower, then
Boiling device 12 is arranged in regenerator 10；Absorption tower and water scrubber, washing liquid separating apparatus, ammonia absorbent regeneration using device according to
It is secondary to be connected；
Raffinate is connected between solid-liquid separator 9 and Ethanol tank 6 in reinforcing crystallization ammonia process carbon dioxide capture system
Processing unit；Washing liquid separating apparatus 4 are connected with the upper end of water scrubber 3, and the upper end of water scrubber is additionally provided with supplement water inlet 13.On
All of connected mode is stated for pipeline is connected, what each device was not specifically noted is using existing equipment of the prior art
Device.
Flue gas first passes through cooling device 2, and the bottom on absorption tower 1 is passed through after cooling, and at the same time ammonia absorption agent is from suction
The top for receiving tower 1 sprays in tower, the CO in flue gas2The reverse flow in tower, is fully contacted with absorbent, is inhaled by absorbent
Receive.Absorbed CO2Flue gas flowed out from the top on absorption tower 1 and be passed through the bottom of water scrubber 3, and absorb CO2Rich solution lead to
Enter to crystallizer 7, mix with the ethanol solution exported from Ethanol tank 6, ethanol is used as dissolved agent, the rich solution of reinforced low-carbon degree
Dilution crystallization, generates the crystal with ammonium hydrogen carbonate as main component.The solidliquid mixture of generation in crystallizer 7 is passed through solid-liquid point
Separation of solid and liquid is carried out from device 9, the raffinate separated is passed through residual liquid processing apparatus 8 and is purified, purification ethanol out leads to again
Enter Ethanol tank 6 to recycle；The crystal separated then is passed through regenerator 10 and carries out thermal regeneration, reboiler 12 and power plant steam
Pipeline is connected, there is provided the heat required for heating crystal regeneration.Thermal regeneration CO out2And NH3Gaseous mixture is passed through ammonia nitrogen separation
Device 11 carries out ammonia nitrogen separation, isolates the CO of high concentration2Product gas, NH3Absorbent regeneration is then passed through using device 5.It is foregoing from suction
Receive the nitrogen, ammonia and water vapour of the outflow of the top of tower 1 gaseous mixture be passed through the bottom of water scrubber 3 and with from the top spray of water scrubber 3
The supplement water for getting off inversely is met, and the ammonia in gaseous mixture is only absorbed by the water, and remaining purifying smoke is discharged from the top of water scrubber 3,
Ammonia forms ammoniacal liquor and flows out to washing liquid separating apparatus 4 from the bottom of water scrubber 3 after being only absorbed by the water, wash 4 points of liquid separating apparatus
The ammonia for separating out is passed through absorbent regeneration and is passed into suction together with the ammonia separated from apparatus for separating ammonia nitrogen 11 using device 5
The top of tower 1 is received to be recycled as absorbent；The water that washing liquid separating apparatus 4 are separated then is passed through the top of water scrubber 3 and mends
Water-filling continues to absorb the gaseous mixture in water scrubber 3 together, so as to be circulated utilization to water.
Furthermore, it is necessary to explanation, the specific embodiment described in this specification, is named the shape of its parts and components
Title etc. can be with difference.The equivalent or simple change that all constructions according to described in inventional idea of the present invention, feature and principle are done, wraps
Include in the protection domain of patent of the present invention.Those skilled in the art can be to described specific implementation
Example is made various modifications or supplement or is substituted using similar mode, without departing from structure of the invention or surmounts this
Scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (4)
1. a kind of reinforcing crystallizes ammonia process carbon dioxide capture system, it is characterised in that：Described reinforcing crystallization ammonia process carbon dioxide
Trapping system includes cooling device, absorption tower, water scrubber, washing liquid separating apparatus, crystallizer, Ethanol tank, solid-liquid separator, again
Raw tower, reboiler, apparatus for separating ammonia nitrogen and ammonia absorbent regeneration utilize device；
Described cooling device and the bottom on absorption tower, crystallizer, solid-liquid separator, regenerator, apparatus for separating ammonia nitrogen, ammonia absorb
Agent regeneration device is sequentially connected；Absorbent regeneration is connected to form circulation using the top on device and absorption tower, it is described again
Boiling device is arranged in regenerator；
Described absorption tower is sequentially connected with water scrubber, washing liquid separating apparatus, ammonia absorbent regeneration using device；
Described connected mode is connected for pipeline.
2. reinforcing according to claim 1 crystallizes ammonia process carbon dioxide capture system, it is characterised in that：Described solid-liquid point
Residual liquid processing apparatus are connected between device and Ethanol tank.
3. reinforcing according to claim 1 crystallizes ammonia process carbon dioxide capture system, it is characterised in that：Described water lotion
Separator is connected with the upper end of water scrubber, and the upper end of described water scrubber is additionally provided with supplement water inlet.
4. a kind of reinforcing crystallizes ammonia process collecting carbonic anhydride method, it is characterised in that：Including following process：Flue gas first passes through cooling
Device, is passed through the bottom on absorption tower after cooling, at the same time ammonia absorption agent from the top on absorption tower to tower in spray, flue gas
In CO2The reverse flow in tower, is fully contacted with absorbent, is absorbed by absorbent, is absorbed CO2Flue gas from absorption tower
Top flow out and be passed through the bottom of water scrubber；
Absorb CO2Rich solution be passed into crystallizer, with from Ethanol tank export ethanol solution mix, reinforced low-carbon degree
Rich solution dilution crystallization, generates the crystal with ammonium hydrogen carbonate as main component；The solidliquid mixture generated in crystallizer is passed through solid
Liquid/gas separator carries out separation of solid and liquid, and the raffinate separated is passed through residual liquid processing apparatus and is purified, and purification ethanol out is again
Ethanol tank is passed through to recycle；The crystal separated then is passed through regenerator and carries out thermal regeneration, reboiler and power plant steam pipe
Road is connected, there is provided the heat required for heating crystal regeneration；
Thermal regeneration CO out2And NH3Gaseous mixture is passed through apparatus for separating ammonia nitrogen and carries out ammonia nitrogen separation, isolates the CO of high concentration2Produce
Product gas, NH3Then it is passed through absorbent regeneration and utilizes device；
The gaseous mixture of foregoing nitrogen, ammonia and water vapour from the outflow of absorption tower top be passed through washing tower bottom and with from water scrubber
The supplement water that top spray gets off inversely meets, and the ammonia in gaseous mixture is only absorbed by the water, remaining purifying smoke from washing tower top
Portion discharges, and ammonia forms ammoniacal liquor and flows out to washing liquid separating apparatus from the bottom of water scrubber after being only absorbed by the water, and water lotion separates dress
Put the ammonia separated and be passed through absorbent regeneration and be passed into together with the ammonia separated from apparatus for separating ammonia nitrogen using device
Absorption tower top recycles as absorbent；The water that washing liquid separating apparatus are separated then is passed through water scrubber top and supplement
Water continues to absorb the gaseous mixture in water scrubber together, so as to be circulated utilization to water.
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Cited By (8)
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| CN108014603A (en) * | 2017-11-21 | 2018-05-11 | 华电电力科学研究院 | Crystallization ammonia process steam regeneration catches carbon system and method |
| CN110026071A (en) * | 2019-04-25 | 2019-07-19 | 哈尔滨工业大学 | It is a kind of that the carbon cycle system and method utilized is restored based on ammonia process decarburization and electro-catalysis |
| CN110756001A (en) * | 2019-10-10 | 2020-02-07 | 宁波大学 | Ammonia carbon capture system based on ionic liquid refrigeration cycle |
| CN110756000A (en) * | 2019-10-10 | 2020-02-07 | 宁波大学 | Carbon capture and refrigeration system by ammonia crystallization method |
| CN111793513A (en) * | 2019-04-04 | 2020-10-20 | 乔治洛德方法研究和开发液化空气有限公司 | Purification and liquefaction of biogas by a combination of a crystallization system and a liquefaction exchanger |
| IT202200004001A1 (en) * | 2022-03-03 | 2023-09-03 | Milano Politecnico | Process of carbon dioxide sequestration and related transformation into high value-added chemical products |
| CN116785905A (en) * | 2023-03-10 | 2023-09-22 | 哈尔滨工业大学 | Carbon capturing system and carbon capturing method by circulating ammonia method |
| CN117339356A (en) * | 2023-11-20 | 2024-01-05 | 安徽申兰华色材股份有限公司 | Copper phthalocyanine synthesis tail gas treatment method and system |
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| CN108014603A (en) * | 2017-11-21 | 2018-05-11 | 华电电力科学研究院 | Crystallization ammonia process steam regeneration catches carbon system and method |
| CN111793513A (en) * | 2019-04-04 | 2020-10-20 | 乔治洛德方法研究和开发液化空气有限公司 | Purification and liquefaction of biogas by a combination of a crystallization system and a liquefaction exchanger |
| CN110026071A (en) * | 2019-04-25 | 2019-07-19 | 哈尔滨工业大学 | It is a kind of that the carbon cycle system and method utilized is restored based on ammonia process decarburization and electro-catalysis |
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| CN116785905A (en) * | 2023-03-10 | 2023-09-22 | 哈尔滨工业大学 | Carbon capturing system and carbon capturing method by circulating ammonia method |
| CN116785905B (en) * | 2023-03-10 | 2024-01-19 | 哈尔滨工业大学 | Carbon capturing system and carbon capturing method by circulating ammonia method |
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Application publication date: 20170524 |