CN102527225A - Method for trapping carbon dioxide from smoke by renewable carbide slag - Google Patents

Method for trapping carbon dioxide from smoke by renewable carbide slag Download PDF

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CN102527225A
CN102527225A CN201010608692XA CN201010608692A CN102527225A CN 102527225 A CN102527225 A CN 102527225A CN 201010608692X A CN201010608692X A CN 201010608692XA CN 201010608692 A CN201010608692 A CN 201010608692A CN 102527225 A CN102527225 A CN 102527225A
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carbide slag
carbon dioxide
flue gas
absorbent
smoke
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CN102527225B (en
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李松庚
林伟刚
宋文立
姚建中
张登峰
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Institute of Process Engineering of CAS
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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
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/20—Waste processing or separation

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Abstract

The invention relates to the application field of carbide slag, and in particular relates to a method for trapping carbon dioxide from smoke by renewable carbide slag. According to the invention, the method for trapping carbon dioxide from smoke by renewable carbide slag comprises the following steps: 1) calcining the carbide slag to obtain an absorbent with an effective constituent of calcium oxide; 2) adding the absorbent of step 1) to a carbonization reactor to absorb carbon dioxide from the smoke to obtain calcium carbonate and clean smoke; 3) calcining the calcium carbonate of step 2) to regenerate the absorbent; 4) eliminating the inactive constituents from the regenerated absorbent of step 3), adding new carbide slag, returning to step 2) for recycling, and repeating steps 2) to 4). The invention has the advantage of following the environment protection concept of treating wastes by wastes, so as to lower the discharge of carbon dioxide from the smoke, and has favorable application prospects.

Description

A kind of method of using reproducible carbide slag to capture carbon dioxide in the flue gas
Technical field
The present invention relates to the application of carbide slag, particularly, the present invention relates to a kind of method of using reproducible carbide slag to capture carbon dioxide in the flue gas.
Background technology
The global warming trend that greenhouse gases cause has become the environmental problem of present international community common concern, wherein CO 2Be topmost one type of greenhouse gases, its greenhouse effects account for about 77% of all greenhouse gases, thereby control CO 2Discharging for the control greenhouse effects, to slow down climatic change trend most important.China is as the maximum country of world population, and energy consumption structure is main with coal, thereby is that statistic unit calculates total amount with the country, and China is world greenhouse gas emission big country at present.As developing country, follow the quickening of modernization, the discharging of Chinese greenhouse gases will continue to increase in a short time, the CO that China facing is huge 2Reduce discharging pressure, thereby need carry out CO 2The research and development of emission-reduction technology.From CO 2The profile of industries of emission source, current long term from now on, the CO of China of reaching 2Main discharging row source is an energy industry, especially power industry.At present, the CO of China's Electric Power Industry 2Discharge capacity occupies total release about 50%, thereby the effective CO of exploiting economy 2Trapping technique will have very high practical prospect and competitive advantage.
Adopt calcium-base absorbing agent Reaction Separation CO 2Method is the CO that has application prospect most 2One of trapping technique.At present to investigate maximum mainly be to utilize natural calcium base ore such as lime stone to capture CO to research field 2Performance.Shown in accompanying drawing 1: high-temperature decomposition reaction at first takes place in lime stone in calcination reactor, and the calcium oxide of decomposition (CaO) gets into carbonization reactor and captures the CO in the flue gas 2And generation CaCO 3, the clean flue gas after the decarburization is discharged in the atmosphere.The CaCO that generates in the carbonization reactor 3Getting into a calcination reactor generation new round again decomposes.The pure CO that discharges 2Can be used for sealing up for safekeeping or recycling.Ore resource is limited and belong to non-renewable resources.Natural crystals such as a large amount of exploitation lime stone, dolomite or calcites will bring many negative effects to ecological environment (face of land resource, geological environment, the hydrology and weather conditions) as the source of calcium-base absorbing agent; In addition, because absorbent regeneration is under hot conditions, to carry out, thereby the high temperature sintering behavior will seriously cause the CO of absorbent 2Absorption efficiency with cycle-index increase and constantly decay, bibliographical information: utilize natural limestone through 1000 circularly trapping CO 2After the reaction, its remaining conversion ratio is merely 3.5%, thereby above-mentioned shortcoming has greatly limited natural calcium foundation stone lime stones such as lime stone and removing CO 2The practical application of aspect.At last, utilize natural calcium base ore such as lime stone in the calcination process CaCO can take place first 3Thereby a certain amount of CO of the extra generation of decomposition reaction 2(with calcium carbonate content is 90% calculating to gas, and average 1 ton of lime stone will produce 0.396 ton of CO after calcining 2), thereby will weaken capture such as the calcium-base absorbing agent that utilizes lime stone CO to a certain extent 2The environmental benefit of technology.
In order to remedy the deficiency of natural calcium base absorbant, must seek the substitute that a kind of environmental friendliness and reactivity are superior to natural absorbents such as natural limestone.
Carbide slag is to be raw material production acetylene (C with the calcium carbide 2H 2) solid by-product, and main component is calcium hydroxide (Ca (OH) 2), with the oxide or the hydroxide of silicon, iron, aluminium, magnesium, sulphur, phosphorus, it mainly is the neoprene manufacturer discharging by the Production of PVC producer of chlor-alkali industry and synthetic material industry.Estimate that China's carbide slag total output reaches 1,800 ten thousand tons/year.Compare trade wastes such as white clay, red mud and blast furnace slag, the carbide slag the active calcium ion content is higher, and at present, mainly comprise to the processing of carbide slag and the method for disposal: sea, the regular stacking of field ditch are filled out in (1); (2) sale after the natural subsidence, replacing lime cement made of stones, produce quick lime as carbide raw material, produce light-weight brick, produce expoxy propane, potassium chlorate etc. as industrial chemicals.At present mainly take mode (1) to the treatment and disposal of carbide slag, this processing mode will take a large amount of soils, pollute phreatic water and also cause the salinization of soil, thereby this mode can not effectively be utilized this trade waste of carbide slag and administers.Mainly comprise to the carbide slag recycling: (1) patent No. is that the Chinese invention patent of ZL200810116928.0 has been introduced the wet fuel gas desulfurizing technology that utilizes carbide slag to make absorbent, and (2) patent No. is that the invention of China of 200810146495.3 has been introduced a kind of carbide slag that utilizes and prepared high-purity CaCO 3The method of product; But at present still very low to the effective rate of utilization of carbide slag, more still bury and stack, bring pollution to environment.
Therefore, the greenhouse gases that discharge along with the mankind cause global warming trend to strengthen, and international community also extensively carries out the work of collecting carbonic anhydride Study on Technology, comprehensive above-mentioned capture CO for obvious intensification of attention rate of reduction of greenhouse gas discharge subject under discussion in recent years 2Environmental benefit is low in the method, the absorbent attenuation coefficient big and carbide slag brings the problem of polluting and can not effectively utilizing as trade waste to environment; The present invention is from the comprehensive regulation; Improve the purpose of environmental benefit and set out, with carbide slag as CO in the calcium-base absorbing agent circularly trapping flue gas 2
Summary of the invention
Carry out dry removal CO in order to remedy with natural calcium base ores such as lime stones 2Deficiency, the invention provides the useless admittedly carbide slag of a kind of utilization industry and remove CO in the flue gas 2Method.This method has effectively been controlled CO in the flue gas on the one hand 2Discharging, capturing CO 2Process in also can remove sulfur in smoke (SO simultaneously 2); The processing and the method for disposal of carbide slag are provided on the one hand, have realized the recycling of carbide slag, reached the purpose of waste recycling.
The object of the present invention is to provide a kind of method of using reproducible carbide slag to capture carbon dioxide in the flue gas.
The reproducible carbide slag of use according to the present invention captures the method for carbon dioxide in the flue gas, and this method may further comprise the steps:
1) with the carbide slag calcining, obtains the absorbent that active ingredient is calcium oxide;
2) be that the absorbent of calcium oxide adds the carbon dioxide that absorbs in the carbonization reactor in the flue gas with the active ingredient in the step 1), obtain calcium carbonate and clean flue gas;
3) with step 2) in calcination of calcium carbonate, the active ingredient that obtains regenerating is the absorbent of calcium oxide and the carbon dioxide of high concentration, and the carbon dioxide recycling or the compression of high concentration are sealed up for safekeeping;
4) part that the active ingredient of regenerating in the step 3) is mainly inactivation in the absorbent of calcium oxide is removed, and discharges the raw material of as fertilizer sources or cement, adds the new carbide slag of part simultaneously, turns back to step 2) in recycle, repeating step 2)～4).
The reproducible carbide slag of use according to the present invention captures the method for carbon dioxide in the flue gas; Described step 2): the absorbent that active ingredient is mainly calcium oxide can also react with sulfur in smoke when capturing in the flue gas carbon dioxide; Generate calcium sulfate, have the effect of simultaneous removing sulfur dioxide.
The reproducible carbide slag of use according to the present invention captures the method for carbon dioxide in the flue gas, and the calcining heat of the carbide slag in the described step 1) is 450～900 ℃, and calcination time is 5～20min.
The reproducible carbide slag of use according to the present invention captures the method for carbon dioxide in the flue gas, described step 2) in carbonization reactor in reaction temperature be 550～700 ℃.
The reproducible carbide slag of use according to the present invention captures the method for carbon dioxide in the flue gas, and the calcining heat of calcium carbonate is 800～1100 ℃ in the described step 3), and calcination time is 5～20min.
The reproducible carbide slag of use according to the present invention captures the method for carbon dioxide in the flue gas, and its principle is:
Ca(OH) 2(s)＝CaO(s)+H 2O(g)
CaO(s)+CO 2(g)＝CaCO 3(s)
CaCO 3(s)＝CaO(s)+CO 2(g)
Use carbide slag to capture in the carbon dioxide process in the flue gas and can remove sulfur dioxide in flue gas simultaneously, its principle is mainly:
CaO(s)+SO 2(g)+1/2O 2(g)＝CaSO 4(s)
According to the method for carbon dioxide in the capture flue gas of the present invention, because the carbide slag main component is Ca (OH) 2, thereby when calcining first, main that take place is Ca (OH) 2The calcining first of raw materials such as utilizing lime stone, calcite or dolomite is compared in decomposition reaction, and the calcining carbide slag has been avoided CO 2Generation; Solid material (main component is CaO) after the calcining gets in the carbonization reactor and the CO in the flue gas first 2React, be discharged in the atmosphere behind the flue gas decarbonization.Carbide slag is at circularly removing CO 2In the process; Absorption efficiency can decay along with increasing of cycle-index; Thereby for a whole set of technology, need to discharge the CaO of a small amount of inactivation, replenish new carbide slag to calcination reactor simultaneously, still; Though utilize carbide slag exist equally with natural crystal such as lime stone as the depleted problem of the absorption efficiency of absorbent, with Ca (OH) 2Compare with lime stone, no matter be low temperature calcination or under hot conditions, calcine the CO of carbide slag 2The attenuation degree of absorption efficiency will be significantly less than analytically pure Ca (OH) 2And lime stone, the CO of carbide slag simultaneously 2Absorption efficiency also makes moderate progress, thereby thereby above-mentioned key character will prolong carbide slag and recycle the life-span and reduce its consumption.Can be used as the raw material of cement industry for the absorbent of inactivation.
The present invention utilizes the unique physicochemical property of carbide slag, promptly has higher specific surface area, good pore structure and heat endurance, and the method that adopts Reaction Separation to be aided with regeneration realizes carbide slag circularly trapping CO 2The industrial waste carbide slag that the present invention utilizes the acetylene industry to produce is raw material, with the at first decomposition of realization carbide slag in calcination reactor of carbide slag, divides the CO in the separable flue gas at the carbonization reactor internal reaction subsequently 2, flue gas is purified.Solid material in the carbonization reactor gets into calcination reactor again and carries out new calcining once, realizes the regeneration of absorbent, simultaneously the absorbent of discharge section inactivation and additional a part of fresh carbide slag.Compare commercially available Ca (OH) 2And lime stone, utilize carbide slag to have the low characteristics of rate of decay, thereby effectively remedied natural calcium base absorbant circularly trapping CO such as utilizing lime stone at present as absorbent 2The absorption efficiency decay is not enough faster in the process; Utilize carbide slag as CO simultaneously 2The ecological disruption problem that absorbent has avoided exploitation natural calcium base ore to be caused, and the extra CO that has avoided absorbents such as lime stone in calcination process, to produce 2The present invention utilizes the solid useless flue gas of administering of industry, acts on the advanced theory of the treatment of wastes with processes of wastes against one another, embodies distinct environmental benefit and economic benefit, thereby has favorable actual application prospect.
The invention has the advantages that: with bibliographical information utilize natural calcium base absorbant such as lime stone to carry out dry method to capture CO 2Compare, the carbide slag that utilizes provided by the invention removes CO 2Method, follow the environmental protection concept of the treatment of wastes with processes of wastes against one another, reduced CO in the flue gas 2Discharging; Secondly, provide for the industry new approach that utilizes of useless carbide slag admittedly, last, effectively remedy natural crystals such as utilizing lime stone and captured CO 2Deficiency, thereby for CO in the flue gas 2Remove still that the recycling of carbide slag all has favorable actual application prospect.
Description of drawings
Fig. 1 is the renewable natural calcium base absorbant dry method capturing carbon dioxide sketch mapes such as lime stone that recycle;
Fig. 2 is renewable carbide slag dry method capturing carbon dioxide that recycles of the present invention and sulfur dioxide sketch map.
The specific embodiment
Embodiment 1
The carbide slag and the commercially available Ca (OH) that utilize fixed bed reactors to contrast to be collected in certain coalification factory 2CO under the low temperature calcination condition 2Absorption characteristic.Carbide slag particle diameter: 160～180 orders; Calcination reaction temperature: 840 ℃; Calcination time 10min; Carbonation reaction temperature: 700 ℃; Carbonization time: 20min; Examine or check circularly trapping CO altogether 40 times 2Absorption efficiency (annotate: utilize the CaO conversion ratio in the absorbent to characterize CO 2Absorption efficiency).The result shows: (1) 40 circulation end, carbide slag and Ca (OH) 2CO 2Absorption efficiency is respectively 35.18% and 32.57%; In (2) 40 circularly trapping processes, carbide slag and Ca (OH) 2CO 2The absorption efficiency attenuation coefficient is respectively 0.16426 and 0.21140 (the big more sign rate of decay of attenuation coefficient is fast more), thereby shows: guaranteeing CO 2Under the prerequisite of absorption efficiency, carbide slag is to CO 2The attenuation degree of absorption efficiency is less than commercially available Ca (OH) 2
Embodiment 2
The carbide slag and the CO of commercially available lime stone under the low temperature calcination condition that utilize fixed bed reactors to contrast to be collected in certain coalification factory 2Absorption characteristic.Carbide slag particle diameter: 160～180 orders; Calcination reaction temperature: 840 ℃; Calcination time 10min; Carbonation reaction temperature: 700 ℃; Carbonization time: 20min; Examine or check circularly trapping CO altogether 40 times 2Absorption efficiency.The result shows: (1) 40 circulation end, the CO of carbide slag and lime stone 2Absorption efficiency is respectively 35.18% and 26.22%; In (2) 40 cyclic processes, the average CO of carbide slag and lime stone 2Absorption efficiency is respectively 41.01% and 38.14%; (3) CO of carbide slag and lime stone 2The absorption efficiency attenuation coefficient is respectively 0.16426 and 0.28030, thereby shows: guaranteeing CO 2Under the prerequisite of absorption efficiency, carbide slag is to CO 2The attenuation degree of absorption efficiency is less than commercially available lime stone.
Embodiment 3
The carbide slag and the CO of commercially available lime stone under higher calcining heat that utilize fixed bed reactors to contrast to be collected in certain coalification factory 2Absorption characteristic.Carbide slag particle diameter: 160～180 orders; Calcination reaction temperature: 940 ℃; Calcination time 10min; Carbonation reaction temperature: 700 ℃; Carbonization time: 20min; Examine or check circularly trapping CO altogether 20 times 2Absorption efficiency.The result shows: the CO of (1) 20 circulate last carbide slag and lime stone 2Absorption efficiency is respectively 28.30% and 22.53%; In (2) 20 circularly trapping processes, the CO of carbide slag and lime stone 2The absorption efficiency attenuation coefficient is respectively 0.23958 and 0.39961, thereby shows: to the high-temperature calcination condition, carbide slag is to CO 2The attenuation degree of absorption efficiency is also less than commercially available lime stone.
Embodiment 4
Utilize fixed bed reactors to investigate the CO of the carbide slag that is collected in certain coalification factory 2And SO 2Absorption characteristic.Carbide slag particle diameter: 160～180 orders; Calcination reaction temperature: 840 ℃; Calcination time 10min; Carbonation reaction temperature: 700 ℃; Carbonization time: 30min; Examine or check 20 circulation carbide slags altogether and capture CO 2And SO 2Absorption efficiency.The result shows: in (1) 20 cyclic process, and the SO of carbide slag 2Removal efficiency can reach more than 99%; In (2) 20 circularly trapping processes, the average CO of carbide slag 2Absorption efficiency is 41.48%.The above results shows: renewable carbide slag captures CO in the flue gas 2Also can reach simultaneously in the process and remove SO 2Effect.

Claims (5)

1. method of using reproducible carbide slag to capture carbon dioxide in the flue gas is characterized in that described method may further comprise the steps:
1) with the carbide slag calcining, obtains the absorbent that active ingredient is calcium oxide;
2) be that the absorbent of calcium oxide adds the carbon dioxide that absorbs in the carbonization reactor in the flue gas with the active ingredient in the step 1), obtain calcium carbonate and clean flue gas;
3) with step 2) in calcination of calcium carbonate, the calcium oxide that obtains regenerating and the carbon dioxide of high concentration are with the carbon dioxide recycling of high concentration or seal up for safekeeping after compression;
4) part of inactivation in the calcium oxide of regenerating in the step 3) is removed, is mended new carbide slag, turn back to step 2) middle recycle, repeating step 2)～4).
2. the reproducible carbide slag of use according to claim 1 captures the method for carbon dioxide in the flue gas, it is characterized in that the calcining heat of the carbide slag in the described step 1) is 450～900 ℃, and calcination time is 5～20min.
3. the reproducible carbide slag of use according to claim 1 captures the method for carbon dioxide in the flue gas, it is characterized in that described step 2) in carbonization reactor in reaction temperature be 550～700 ℃.
4. the reproducible carbide slag of use according to claim 1 captures the method for carbon dioxide in the flue gas, it is characterized in that the calcining heat of calcium carbonate is 800～1100 ℃ in the described step 3), and calcination time is 5～20min.
5. the reproducible carbide slag of use according to claim 1 captures the method for carbon dioxide in the flue gas, it is characterized in that, in described step 2) in, active ingredient is that the absorbent of calcium oxide adds in the carbonization reactor and absorbs sulfur in smoke.
CN201010608692.XA 2010-12-17 2010-12-17 A kind of method using reproducible carbide slag collecting carbon dioxide from fuel gas Expired - Fee Related CN102527225B (en)

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CN102773006A (en) * 2012-08-17 2012-11-14 西安瑞驰节能工程有限责任公司 Device and process for cyclic capture of carbon dioxide by taking CaO as carrier
CN103071373A (en) * 2013-02-01 2013-05-01 山东大学 Method for preparing high-activity CO2 absorbent with carbide slag
CN103641344A (en) * 2013-11-04 2014-03-19 华中科技大学 Production technology of 'zero-carbon emission' cement combined with industrial gypsum waste treatment
CN103936543A (en) * 2014-04-08 2014-07-23 昆明理工大学 Method for synchronously obtaining carbon dioxide absorbent along with production of acetylene
CN106237827A (en) * 2016-08-26 2016-12-21 华北电力大学 The new calcium circulation decarbonization system of a kind of band secondary carbonisation and application
CN106630698A (en) * 2016-12-25 2017-05-10 湖北知本信息科技有限公司 Carbide slag-based cement co-production process
CN107285357A (en) * 2017-06-14 2017-10-24 昆明理工大学 A kind of method that utilization carbide slag traps carbon dioxide
CN107398173A (en) * 2017-08-27 2017-11-28 北方民族大学 A kind of lime stone carries out CO in double tower fluid bed2Circularly trapping device and its technique
CN108114592A (en) * 2012-10-16 2018-06-05 通用电器技术有限公司 Desulfurization in regenerative calcium cycle system
CN110168153A (en) * 2016-11-01 2019-08-23 柯利亚·库赛 Renewable or part renewable carbon fiber is manufactured by raw material combination overall production method of carbon dioxide
CN110639355A (en) * 2019-10-31 2020-01-03 湘潭大学 CaCO for forced grinding3Online decomposition high-temperature flue gas desulfurization method and device
CN111482068A (en) * 2013-06-14 2020-08-04 Zeg动力股份公司 Method for sustainable energy production in a power plant comprising solid oxide fuel cells
CN114620727A (en) * 2022-04-06 2022-06-14 杨雪兵 Method for absorbing carbon dioxide in tail gas of cement plant and power plant by using carbide slag
CN114768501A (en) * 2022-04-22 2022-07-22 瀜矿环保科技(上海)有限公司 Carbon dioxide mineralization coupling system for capturing carbon dioxide in flue gas and based on industrial solid waste
CN115006982A (en) * 2022-01-18 2022-09-06 昆明理工大学 Method for desulfurizing and carbon-fixing coal-fired flue gas by using carbide slag slurry
CN115215339A (en) * 2022-05-30 2022-10-21 湖北工业大学 Method for preparing calcium carbonate carbonization crystal nucleus from carbide slag and carrying out solid waste and carbon fixation
CN115521097A (en) * 2022-10-20 2022-12-27 舒新前 Method for preparing cement-free cementing material capable of absorbing and fixing carbon dioxide by virtue of multi-solid waste synergy and application

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CN102773006A (en) * 2012-08-17 2012-11-14 西安瑞驰节能工程有限责任公司 Device and process for cyclic capture of carbon dioxide by taking CaO as carrier
CN108114592A (en) * 2012-10-16 2018-06-05 通用电器技术有限公司 Desulfurization in regenerative calcium cycle system
CN103071373A (en) * 2013-02-01 2013-05-01 山东大学 Method for preparing high-activity CO2 absorbent with carbide slag
CN111482068A (en) * 2013-06-14 2020-08-04 Zeg动力股份公司 Method for sustainable energy production in a power plant comprising solid oxide fuel cells
CN103641344A (en) * 2013-11-04 2014-03-19 华中科技大学 Production technology of 'zero-carbon emission' cement combined with industrial gypsum waste treatment
CN103936543A (en) * 2014-04-08 2014-07-23 昆明理工大学 Method for synchronously obtaining carbon dioxide absorbent along with production of acetylene
CN106237827A (en) * 2016-08-26 2016-12-21 华北电力大学 The new calcium circulation decarbonization system of a kind of band secondary carbonisation and application
CN110168153A (en) * 2016-11-01 2019-08-23 柯利亚·库赛 Renewable or part renewable carbon fiber is manufactured by raw material combination overall production method of carbon dioxide
CN106630698A (en) * 2016-12-25 2017-05-10 湖北知本信息科技有限公司 Carbide slag-based cement co-production process
CN107285357B (en) * 2017-06-14 2019-09-27 昆明理工大学 A method of carbon dioxide is trapped using carbide slag
CN107285357A (en) * 2017-06-14 2017-10-24 昆明理工大学 A kind of method that utilization carbide slag traps carbon dioxide
CN107398173A (en) * 2017-08-27 2017-11-28 北方民族大学 A kind of lime stone carries out CO in double tower fluid bed2Circularly trapping device and its technique
CN107398173B (en) * 2017-08-27 2023-10-27 北方民族大学 Limestone CO in a double tower fluidized bed 2 Circulation trapping device and technology thereof
CN110639355A (en) * 2019-10-31 2020-01-03 湘潭大学 CaCO for forced grinding3Online decomposition high-temperature flue gas desulfurization method and device
CN110639355B (en) * 2019-10-31 2021-12-07 湘潭大学 CaCO for forced grinding3Online decomposition high-temperature flue gas desulfurization method and device
CN115006982A (en) * 2022-01-18 2022-09-06 昆明理工大学 Method for desulfurizing and carbon-fixing coal-fired flue gas by using carbide slag slurry
CN114620727A (en) * 2022-04-06 2022-06-14 杨雪兵 Method for absorbing carbon dioxide in tail gas of cement plant and power plant by using carbide slag
CN114768501A (en) * 2022-04-22 2022-07-22 瀜矿环保科技(上海)有限公司 Carbon dioxide mineralization coupling system for capturing carbon dioxide in flue gas and based on industrial solid waste
CN114768501B (en) * 2022-04-22 2024-04-30 瀜矿环保科技(上海)有限公司 Carbon dioxide mineralization coupling system for capturing carbon dioxide in flue gas and based on industrial solid waste
CN115215339A (en) * 2022-05-30 2022-10-21 湖北工业大学 Method for preparing calcium carbonate carbonization crystal nucleus from carbide slag and carrying out solid waste and carbon fixation
CN115215339B (en) * 2022-05-30 2023-10-10 湖北工业大学 Method for preparing calcium carbonate carbonization crystal nucleus from carbide slag and carrying out solid waste and carbon fixation
CN115521097A (en) * 2022-10-20 2022-12-27 舒新前 Method for preparing cement-free cementing material capable of absorbing and fixing carbon dioxide by virtue of multi-solid waste synergy and application

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