CN106757119A - One kind is for realizing CO2The electro-chemical systems that capture is sealed up for safekeeping with mineralising - Google Patents

One kind is for realizing CO2The electro-chemical systems that capture is sealed up for safekeeping with mineralising Download PDF

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CN106757119A
CN106757119A CN201611128528.2A CN201611128528A CN106757119A CN 106757119 A CN106757119 A CN 106757119A CN 201611128528 A CN201611128528 A CN 201611128528A CN 106757119 A CN106757119 A CN 106757119A
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capture
safekeeping
mineralising
module
sealed
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CN106757119B (en
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毛庆
崔剑铭
黄延强
刘建军
景维云
石越
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Dalian University of Technology
Dalian Institute of Chemical Physics of CAS
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Dalian University of Technology
Dalian Institute of Chemical Physics of CAS
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    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00Electrolytic production of inorganic compounds or non-metals
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00Operating or servicing cells
    • C25B15/02Process control or regulation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/40Capture or disposal of greenhouse gases of CO2

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  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
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  • Organic Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Inorganic Chemistry (AREA)
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Abstract

Capture and technical field of memory the invention belongs to carbon resource, are related to one kind to realize CO by electrochemical method2The system that capture is sealed up for safekeeping with mineralising.System architecture is made up of fluid dynamic module, reaction module and control with the part of display module three, and the electrochemical techniques combined with equilibrium transport by stable state, transient state and transient state convert the silicate into carbonate, realize CO2Capture sealed up for safekeeping with mineralising.CO of the invention2Capture seals system up for safekeeping with mineralising, is mainly used in alleviating the greenhouse effects being on the rise, and system relief liquor stream is alkalescence, can simultaneously realize the improvement of regional area Ocean acidification;System can also be used for closing space CO2The real-time regulation of gas concentration, is alternatively arranged as large-scale CO2The auxiliary equipment of discharge enterprise emission reduction.

Description

One kind is for realizing CO2The electro-chemical systems that capture is sealed up for safekeeping with mineralising
Technical field
Capture and technical field of memory the invention belongs to carbon resource, are related to a kind of for realizing CO2Capture and mineralising envelope The electro-chemical systems deposited
Background technology
The CO of China's excess emissions2The burning of fossil fuel is mostly derived from, is such as used for the equipment for generating electricity, it is also small including some Type spread source, such as automobile engine and the burner including being used in local-style dwelling houses and commercial building;In addition, CO2Equally meeting exists The process of the refinement of some mineral resources is produced.Currently, the CO of excess emissions2The greenhouse effects being on the rise are had resulted in, Due to most of CO2By ocean uptake, this causes that Ocean acidification problem is on the rise to gas.Pass of the international community to climate change Note result in the appearance of UNFCCC, further promote CO2Capture and Plugging Technology Applied (CCS) technology Development.
CCS technologies generally comprise capture, transport and seal three chief components up for safekeeping.One, capture step are CO2From Separated in other gas products.Such as the combustion process in power plant, CO can after combustion be captured using isolation technics2, or Person carries out decarburization to fuel before combustion.Secondly, in order to capture CO2Transport away from CO2Source farther out suitable seals place up for safekeeping, Need to take trafficking step.For the ease of transporting and sealing up for safekeeping, the CO of capture2High concentration compression is generally carried out by capture device.Most CO afterwards2Seal the core that technique is CCS technologies up for safekeeping, decide overall process costs and process complexity.Currently, CO2Seal skill up for safekeeping Art has geological storage, ocean to seal up for safekeeping to seal three classes up for safekeeping with mineralising, and its technology has very big difference with the maturity in market.Geological storage skill Art relative maturity, currently has Industrial demonstration project, such as:Norway's North Sea Sleipner geological storage projects, have succeeded to ground The CO of lower 10,000,000 tons of injection2.However, geological storage application region is very limited, it is not only closely related with geological formations construction, And later stage monitoring is higher with maintenance cost, if leakage occur easily triggers geological disaster.
Seal up for safekeeping to be sealed up for safekeeping with mineralising and currently also only exist in research, exploitation or demonstration phase in ocean.Wherein, mineralising Plugging Technology Applied pole Tool development potentiality, its mainly using the alkalescence or alkaline-earth oxide being present in the silicate rock that naturally occurs, such as magnesia and Calcium oxide is by CO2Solidification.These materials and CO2Such as magnesium carbonate and Calcium carbonate compound are produced after chemical reaction.Mineralising is sealed up for safekeeping Advantage be:(1) raw material sources are extensive.On the one hand, the reserves of Silicate Rocks are huge in the earth's crust, while these oxides can also be deposited In being some industrial wastes, such as stainless steel slag and calx;(2)CO2Will not be discharged into the atmosphere after mineralising, this is compared Sealed up for safekeeping with ocean in geological storage, without follow-up monitoring, maintenance cost, seal risk up for safekeeping small;(3) carbonate product of mineralising is used Way extensively, can be used as construction material, fireproof coating, but also be important industrial chemicals, be widely used in chemical industry, glass The industry such as glass, papermaking.
Currently, disclosed CO2Capture mainly has two classes with mineralising Plugging Technology Applied.One class is realized by chemical method, and It is another kind of to be then based on electrochemical method.The former is mostly carried out under high temperature or high pressure, and system architecture is complicated.For example, Olsen Espen is disclosed at 600 DEG C~1600 DEG C, and applied metal oxide salt solution absorbs CO2Technology and technique (CN 102448581 A,US20120128559).(Chem.Eng.Technol.2006, the 29No 9,1118- such as Terasaka Page 1121) disclose solid particle lithium metasilicate (LiSiO in a kind of use fused salt slurry4) absorb CO as working media2Work Skill, mineralization product is Li2CO3And Li2SiO3Exist in the form of SS.US2005036932 disclose it is a kind of from CO is absorbed and removed in waste gas2Method, blast waste gas by containing CaO and/or Ca (OH)2Solid particle aggregation so that CO in waste gas2Change into CaCO3.The A of CN 102491795 are disclosed in 150~350 DEG C, CO2Partial pressure is not less than 1.0MPa's Under the conditions of, with potassium feldspar by CO2The method of the rich potassium solution of mineralising production;And CN 102895847A are then disclosed CO2It is passed through molten Melt alkali metal, alkaline-earth metal, the carbonate of transition metal, silicate, borate, oxide, hydroxide, nitrate, aluminic acid Carry out absorbing the capture method of electrolysis in salt and their mixture.The A of CN 103111161 disclose a kind of larger CO2Capture technique, by the CO with positive pressure pressure2Solvent capture CO in capture tower2, supersaturated CO2Solution enters back into release Tower carries out extraction concentration.CO based on electrochemical method2Capture is relatively easy with conversion process and running environment is relatively mild, CN 101670236 A are disclosed and are reclaimed CO by carbonate aqueous solution capture and electrodialysis2System and method, caught by the aqueous solution Obtain CO2After carry out electrodialysis and form rich CO2Liquid stream and regeneration capture solution.The A of CN 102351310 disclose a kind of microorganism electricity Chemical CO2Seizure system, by the use of organic wastewater as microbial nutrition source, in CO2Sewage handling problem is taken into account while capture. The A of CN 102978653 disclose a kind of mineralising CO2The membrane electrolysis method of coproduction strong acid, its mineralising raw material is nitrate or sulfuric acid Salt, product is carbonate and nitric acid.The A of CN 105420751 disclose a kind of electrochemically reducing carbon dioxide and prepare nytron The method of thing, using alkali metal carbonic acid (hydrogen) salt, sulfate, phosphoric acid (hydrogen) salt etc. as thing and electrolyte, its characteristic be Organic solvent is introduced in electrolyte system.Different from the electrochemistry capture of aqueous phase system, the A of CN 103590064 are disclosed nothing Water LiF and Li2CO3In molar ratio (0.5~1.5):Electrolyte fused salt is made after 1 well mixed addition additive, electrolytic cell is placed in In be heated to 690~700 DEG C and be passed through CO2The catching method of electrolysis.Wherein, negative electrode material be Ni or Ti, anode material be Pt, Fe-Ni alloy/C or Fe-Ni-Al2O3Alloy.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention to propose a kind of for realizing CO2Capture is sealed up for safekeeping with mineralising Electro-chemical systems, be by silicate or the silicic acid being present in the natural crystals such as serpentinite and olivine by electrochemical method Rock salt is converted into carbonate, realizes CO2Mineralising seal up for safekeeping;The liquid stream discharged after system operation is alkalescence, while can be in certain journey The improvement of designated area Ocean acidification problem is realized on degree.
A kind of achievable CO2The technical scheme of electro-chemical systems that capture is sealed up for safekeeping with mineralising is:
The system include fluid dynamic module, reaction module and control and display module, wherein, fluid dynamic module with it is anti- Module is answered to be connected, fluid dynamic module contains CO for reaction module is provided2Unstripped gas and supplement electrolyte and reactant;Reaction Module is CO2Capture seals offer reacting environment up for safekeeping with mineralising, and it includes anode chamber, cathode chamber and barrier film;Have in anode chamber electrode, Electrolyte, silicate and/or the mineral containing silicate, there is electrode, electrolyte in cathode chamber;Anode chamber and cathode chamber by every Film is isolated;Control is connected with reaction module with fluid dynamic module simultaneously with display module, controls with display module as fluid is dynamic Power module provides the electric power of operation, while for reaction module realizes that the electrochemistry that stable state or transient state or transient state are combined with stable state is anti- Pattern is answered, silicate is converted into carbonate, realize CO2Capture is sealed up for safekeeping with mineralising.
Barrier film in above-mentioned reaction module includes anions and canons exchange membrane or microporous barrier (such as voided polytetrafluoroethylene film); The electrode material includes containing Pt, Re, Pd, Rh, Mo, Wo, Nb, Ru, Ir, Sn, Mn, Fe, Co, Ni, Cu, Ag, the list of C element Matter, alloy or the compound formed with other nonmetalloids.The silicate includes all siliceous, oxygen and other chemical elements (such as:Aluminium, iron, calcium, magnesium, manganese, potassium, sodium, barium, copper, zinc, lead, tin) compound or mixture.Mineral containing silicate include Olivine, serpentine containing above-mentioned silicate component, basalt, asbestos, mica, talcum, kaolinite, montmorillonite, zeolite are green Zoisite, tourmaline, pyroxene, hornblend.
Above-mentioned anode is plate electrode structures or porous electrode structure.
The CO of above-mentioned anode chamber's treatment2Mixture strength scope is between 0.050%~99.995%.
When above-mentioned reaction module operational mode is stable state, its working current density scope is in 0.075mA/cm2~2A/cm2It Between;When reaction module operational mode is transient state, sine wave, square wave to system loads curtage, triangular signal, the letter Number change frequency scope be 1000Hz~0.1Hz.
Above-mentioned control includes senser element, system controller part and display device with display module;Wherein, senser element bag Include H2、O2、CO2Concentration sensor, temperature sensor, liquid level sensor, pressure sensor;Display device is transported for display system Temperature, pressure in row, O2Concentration, H2Concentration, CO2Concentration, liquid level, electric current, information of voltage;On the one hand system controller part is given The sensor part provide electric power, and according to senser element response control fluid dynamic module for reactor provide reactant and Supplement electrolyte;On the other hand, DSP CONTROL reactor runs in system controller part, for system is provided surely The operational mode that state, transient state or stable state are combined with transient state.
The CO of system treatment2The concentration range of gas is wide, you can realize high concentration CO2(99.99%) conversion can also be used for Trace CO in air2The conversion of (ppm grades), system CO2Conversion scale it is controllable and be easily achieved modularization.System row after operation Put product environment-friendly and in alkalescence, it is seen that system is realizing CO2While capture is sealed up for safekeeping with mineralising, can also simultaneously alleviate and work as Before the Ocean acidification problem that is on the rise.
The present invention realizes CO using electrochemical method2Capture sealed up for safekeeping with mineralising, with Applied Physics method (including:Geology Seal up for safekeeping and sealed up for safekeeping with ocean) compared with, the technology is without later stage monitoring, without geological disaster risk.Realized with existing applied chemistry method CO2Compared with the technology that mineralising is sealed up for safekeeping, Applied Electrochemistry method of the present invention is without high temperature, the reaction environment of high pressure, reaction for capture Can be carried out under normal temperature, normal pressure, system architecture is simple, energy consumption is low, and is easily achieved modularized design, and application prospect is huge.
Brief description of the drawings
Fig. 1 is CO2Electrochemistry captures the structural representation for sealing system up for safekeeping with mineralising.
Fig. 2 is that calcium silicates is introduced into CO in air2Absorption efficiency and system groove pressure influence.
Fig. 3 is silicate species to CO in system air2Assimilation effect influence.
Fig. 4 be system under different current densities to air in CO2Assimilation effect.
Wherein (a) is CO2Versus time curve;B () is CO after 3 hours2Concentration with system power change curve.
Fig. 5 be electrode material to system in normal temperature 4mAcm-2Under the conditions of to CO in air2The influence of absorption.
Wherein (a) is CO2Concentration changes with time;B () is that system groove pressure changes with time.
Fig. 6 be system under unstable state electric current environment for air in CO2Assimilation effect.
Wherein (a) is that system power changes with time situation;B () is CO2Concentration changes with time situation.
Fig. 7 be system under low current density to air in CO2Assimilation effect.
Fig. 8 be system under high current density to high-purity CO2Assimilation effect.
Specific embodiment
In order to further illustrate the present invention, enumerate following examples and introduce CO2Electrochemistry is captured and seals system up for safekeeping, is not limited Make the scope of invention.
Embodiment 1:CO2Electrochemistry is captured and seals system architecture up for safekeeping
Fig. 1 gives CO2Electrochemistry is captured seals system architecture up for safekeeping with mineralising.The system is by fluid dynamic module, reaction mould Block and control are constituted with the part of display module three.Fluid dynamic module is connected with reaction module, not only can for its provide containing CO2Unstripped gas, can also for its supplement supporting electrolyte and reactant.Control with display module simultaneously with reaction module and fluid Power plant module is connected, and on the one hand system controller provides electric power to the sensor part, and according to the response control of senser element Fluid dynamic module provides reactant with supplement electrolyte for reactor;On the other hand, there is digital signal processor in controller (DSP) reactor operation is can control, for system provides the operational mode that stable state, transient state, stable state combined with transient state and realizes stopping Machine is operated.Reaction module is the core component of system, is CO2Capture seals offer reacting environment up for safekeeping with mineralising, and its structure is by anode Room, cathode chamber and barrier film are constituted.Anode and anolyte, negative electrode and catholyte are equipped with respectively in anode chamber, cathode chamber, Wherein, it is contained within silicate in anode chamber.
Embodiment 2:CO2Electrochemistry to capture that seal system architecture up for safekeeping with mineralising same as Example 1, is compared in the embodiment Whether the addition of silicate is to system CO2Absorption efficiency and discharge product influence.
Fig. 2 give and contain and the electrochemistry CO without silicate mineral2Capture seals system up for safekeeping with mineralising, in current density It is 2mAcm-2Under the conditions of, system is to CO in air2Assimilation effect and system groove pressure.As can be seen that the introducing of calcium silicates For CO2Absorption and system power dissipation influence produced appreciable results after 100 minutes, system containing calcium silicates discharge gas CO2Concentration is relatively low.Table 1 gives silicate and whether introduces influence for discharging product pH after system operation 8 hours, can See that the introducing of calcium silicates significantly reduces the acidizing degree of anode exhaust product.
The influence whether introduced for anode chamber and cathode chamber pH of the silicate of table 1
Embodiment 3:CO2Electrochemistry to capture that seal system architecture up for safekeeping with mineralising same as Example 1, is compared in the present embodiment Silicate species are to system CO2Absorption efficiency influence.
Fig. 3 is given in CO2Electrochemistry capture with mineralising seal up for safekeeping system introduce calcium silicates, magnesium silicate, alumina silicate and After sodium metasilicate, system is to CO in air at room temperature2The comparing of assimilation effect.Its reaction module operates to stable state perseverance in system operation Current-mode, its electric current is 2mAcm-2.It can be seen that, the species influence system CO of silicate2The transient state of absorption and stable state behavior. 1 hour after system startup, alumina silicate was introduced with the system of magnesium silicate to CO2Assimilation effect is too late to contain calcium silicates and sodium metasilicate System.After operation 3 hours, system comes into stable state, using the system of magnesium silicate for CO2Assimilation effect not and its Its three kinds of silicate.
Embodiment 4:CO2Electrochemistry capture seals that system architecture is same as Example 1 up for safekeeping with mineralising, and the present embodiment has investigated electricity Current density is to system CO2The influence of assimilation effect.
Electrochemistry CO has been investigated in experiment2Capture seals system up for safekeeping in different current densities in 0.5mAcm from mineralising-2~ 6mA·cm-2To CO in air during containing silicate A2Assimilation effect, shown in experimental result such as Fig. 4 (a).It can be seen that with electric current The increase of density, CO in discharge mixed gas2Content reduction, system pair and CO2The time that absorption reaches stabilization increases.However, being System is for CO in air2Conversion capability be not proportional to the output of system power, Fig. 4 (b) gives CO in system tail gas2's Concentration with system power change, in 0.5mAcm-2~6mAcm-2In current density range, CO2Disposal ability raising Along with the increased system power of exponential type.
Embodiment 5:CO2Electrochemistry capture seals that system architecture is same as Example 1 up for safekeeping with mineralising, and the present embodiment compares electricity Pole material is for system CO2The influence of assimilation effect.
Fig. 5 (a) give anode electrode material respectively copper sheet, platinized platinum, foam copper, nickel foam when system in air CO2Assimilation effect compares.Wherein, copper sheet, platinized platinum be plate electrode, foam copper, nickel foam be porous electrode.It can be seen that, in electric current Under the premise of density identical, the change of electrode material is to CO in air2Assimilation effect have an impact, system groove pressure is changed significantly. Its power consumption is minimum when nickel foam with loose structure does anode, the most energy-conservation.
Embodiment 6:CO2Electrochemistry to capture that seal system architecture up for safekeeping with mineralising same as Example 1, and mould is reacted in the present embodiment Block operates to the operational mode that transient state is combined with equilibrium transport.
Fig. 6 gives reaction module under the operational mode that transient state is combined with equilibrium transport, system pair and CO in air2Suction Produce effects really, the electrode area that wherein reaction module Anodic is used is 4cm2.Fig. 6 (a) gives reaction module electric current with the time Situation of change, at 0~5 minute, system was in 6mA (1.5mAcm-2) on the basis of load 2mA (0.5mAcm-2) alternation electricity Stream, the frequency of curent change is 1Hz;At subsequent 25 minutes, the frequency for changing loading AC signal was 0.1Hz;30~55 Minute frequency change increases to 1000Hz, and at last 25 minutes, system was intermittent discharge pattern, i.e., often operation stops 1 point in 5 minutes Clock.Fig. 6 (b) is given under the operational mode as shown in Fig. 6 (a), system outlet CO2Change in concentration.It can be seen that, transient state with Under the operational mode that equilibrium transport is combined, system is again for CO in air2Absorption have positive effect.
Embodiment 7:CO2Electrochemistry capture seals that system architecture is same as Example 1 up for safekeeping with mineralising, and the present embodiment has been investigated small For system to CO in air during electric current operation2Assimilation effect
Fig. 7 gives and uses 0.075mAcm in reaction module-2, system is for CO in air2Assimilation effect.As a result Show, system in this operating mode, to CO after 20 minutes2Be absorbed into steady operational status, can reduce air after stabilization Middle CO2About 50ppm.
Embodiment 8:CO2Electrochemistry capture seals that system architecture is same as Example 1 up for safekeeping with mineralising, and the present embodiment has been investigated greatly Current density runtime system is to high-purity CO2Assimilation effect
It is 2Acm that Fig. 8 gives reaction module and uses current density-2, system is for high-purity CO2(99.995%) suction Yield versus time curve.Here, absorptivity is defined as CO2The change of flow velocity and inlet flow rate before and after system is entered Ratio.Result shows that stabilization time is relatively short in this operating mode for system, and 13% absorption can be realized in 3 minutes systems Rate, absorptivity increases with the increase of time, and 15% absorption efficiency is reached after 20 minutes.

Claims (10)

1. a kind of for realizing CO2The electro-chemical systems that capture is sealed up for safekeeping with mineralising, it is characterised in that:
The system include fluid dynamic module, reaction module and control and display module, wherein, fluid dynamic module with reaction mould Block is connected, and fluid dynamic module contains CO for reaction module is provided2Unstripped gas and supplement electrolyte and reactant;Reaction module It is CO2Capture seals offer reacting environment up for safekeeping with mineralising, and it includes anode chamber, cathode chamber and barrier film;There are electrode, electrolysis in anode chamber Liquid, silicate and/or the mineral containing silicate, there is electrode, electrolyte in cathode chamber;Anode chamber and cathode chamber by barrier film every From;Control is connected with reaction module with fluid dynamic module simultaneously with display module, and it is hydrocal to control with display module Block provides the electric power of operation, while for reaction module realizes the electrochemical reaction mould that stable state or transient state or transient state are combined with stable state Formula, makes silicate be converted into carbonate, realizes CO2Capture is sealed up for safekeeping with mineralising.
2. according to claim 1 a kind of for realizing CO2The electro-chemical systems that capture is sealed up for safekeeping with mineralising, it is characterised in that Barrier film in reaction module includes anions and canons exchange membrane or microporous barrier;The electrode material includes containing Pt, Re, Pd, Rh, Mo, Wo, Nb, Ru, Ir, Sn, Mn, Fe, Co, Ni, Cu, Ag, the simple substance of C element, alloy or form with other nonmetalloids Compound.
3. according to claim 1 and 2 a kind of for realizing CO2The electro-chemical systems that capture is sealed up for safekeeping with mineralising, its feature exists In anode is plate electrode structures or porous electrode structure.
4. according to claim 1 and 2 a kind of for realizing CO2The electro-chemical systems that capture is sealed up for safekeeping with mineralising, its feature exists In the CO of anode chamber's treatment2Mixture strength scope is between 0.050%~99.995%.
5. according to claim 3 a kind of for realizing CO2The electro-chemical systems that capture is sealed up for safekeeping with mineralising, it is characterised in that The CO of anode chamber's treatment2Mixture strength scope is between 0.050%~99.995%.
6. the one kind according to claim 1 or 2 or 5 is used to realize CO2The electro-chemical systems that capture is sealed up for safekeeping with mineralising, it is special Levy and be, when reaction module operational mode is stable state, its working current density scope is in 0.075mA/cm2~2A/cm2Between;Instead When answering module operational mode for transient state, sine wave, square wave to system loads curtage, triangular signal, the signal Change frequency scope is 1000Hz~0.1Hz.
7. according to claim 3 a kind of for realizing CO2The electro-chemical systems that capture is sealed up for safekeeping with mineralising, it is characterised in that When reaction module operational mode is stable state, its working current density scope is in 0.075mA/cm2~2A/cm2Between;Reaction module When operational mode is transient state, sine wave, square wave to system loads curtage, triangular signal, the change of the signal is frequently Rate scope is 1000Hz~0.1Hz.
8. according to claim 4 a kind of for realizing CO2The electro-chemical systems that capture is sealed up for safekeeping with mineralising, it is characterised in that When reaction module operational mode is stable state, its working current density scope is in 0.075mA/cm2~2A/cm2Between;Reaction module When operational mode is transient state, sine wave, square wave to system loads curtage, triangular signal, the change of the signal is frequently Rate scope is 1000Hz~0.1Hz.
9. the one kind according to claim 1 or 2 or 5 or 7 or 8 is used to realize CO2The electrochemistry system that capture is sealed up for safekeeping with mineralising System, it is characterised in that control includes senser element, system controller part and display device with display module;Wherein, senser element Including H2、O2、CO2Concentration sensor, temperature sensor, liquid level sensor, pressure sensor;Display device is used for display system Operating temperature, pressure, O2Concentration, H2Concentration, CO2Concentration, liquid level, electric current, information of voltage;System controller part is on the one hand There is provided electric power to the sensor part, and response control fluid dynamic module according to senser element provides reactant for reactor With supplement electrolyte;On the other hand, DSP CONTROL reactor runs in system controller part, for system is provided The operational mode that stable state, transient state or stable state are combined with transient state.
10. according to claim 3 a kind of for realizing CO2The electro-chemical systems that capture is sealed up for safekeeping with mineralising, its feature exists In control includes senser element, system controller part and display device with display module;Wherein, senser element includes H2、O2、 CO2Concentration sensor, temperature sensor, liquid level sensor, pressure sensor;Display device is used for the operating temperature of display system Degree, pressure, O2Concentration, H2Concentration, CO2Concentration, liquid level, electric current, information of voltage;On the one hand system controller part gives above-mentioned sensing Device provides electric power, and the response control fluid dynamic module of foundation senser element is electrolysed for reactor provides reactant with supplement Liquid;On the other hand, DSP CONTROL reactor runs in system controller part, for system provides stable state, transient state Or the operational mode that stable state is combined with transient state.
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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN109855206A (en) * 2019-02-22 2019-06-07 武汉大学 A kind of intelligent air purifying oxygen replenishing method and device
CN117023729A (en) * 2023-10-08 2023-11-10 国开启科量子技术(安徽)有限公司 Device, method, medium and equipment for realizing ocean acidity treatment based on quantum fuzzy control
CN117233253A (en) * 2023-09-19 2023-12-15 中国矿业大学 CO (carbon monoxide) 2 Mineralization enhancement and monitoring evaluation simulation device and method

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