CN106111058A - A kind of ion hydrate type adsorbent and its preparation method and application - Google Patents
A kind of ion hydrate type adsorbent and its preparation method and application Download PDFInfo
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- CN106111058A CN106111058A CN201610416472.4A CN201610416472A CN106111058A CN 106111058 A CN106111058 A CN 106111058A CN 201610416472 A CN201610416472 A CN 201610416472A CN 106111058 A CN106111058 A CN 106111058A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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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
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
- B01J20/165—Natural alumino-silicates, e.g. zeolites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/223—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material containing metals, e.g. organo-metallic compounds, coordination complexes
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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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- 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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Abstract
The invention discloses a kind of ion hydrate type adsorbent, including the acid ion of attachment on adsorbing agent carrier and adsorbing agent carrier, wherein adsorbing agent carrier is nano-void material.The invention also discloses the preparation method of this adsorbent: be immersed in by nano-void material and acid group basic salt solion be dipped to saturated, be dried to obtain the most in atmosphere.Ion hydrate type adsorbent of the present invention, can utilize any has the material that nano aperture is matrix, carrys out absorbing carbon dioxide, and this adsorbent only just can drive whole absorption release process by the number of water, when in air, the water yield is less time, can absorbing carbon dioxide in atmosphere；When adsorbent fully loaded time, being put into by adsorbent in water, the carbon dioxide of absorption just can discharge, and can focus on carbon dioxide in this.
Description
Technical field
The invention belongs to technical field of chemistry, be specifically related to a kind of ion hydrate type adsorbent, the invention still further relates to this
The preparation method and application of adsorbent.
Background technology
Global warming is a problem the most serious, international climate change tissue (Intergovernmental Panel
On Climate Change) point out that, in the end of this century, the concentration of Carbon Dioxide in Air to be maintained is between 350 to 440ppm.
American energy institute (Institute for Energy Research) points out that the use of conventional fossil fuel still occupies always
80% to the 85% of energy usage amount.
Trapping carbon dioxide is extremely urgent.But, the amount of carbon dioxide of power plant emission only has total CO 2 discharge capacity
1/2nd, remaining carbon dioxide is given off by automobile, aircraft and mini-plant.So air capture CO 2 technology is
Necessary.But, the technology of current air capture carbon dioxide the most just starts.Baciocchi(Baciocchi,R.,
Storti,G.&Mazzotti,M.Process design and energy requirements for the capture
of carbon dioxide from air.Chemical Engineering and Processing:Process
Intensification 45,1047-1058 (2006) .) and Keith (Keith, D.W., Ha-Duong, M.&Stolaroff,
J.K.Climate strategy with CO2capture from the air.Climatic Change 74,17-45
(2006) .) the technology of air capture carbon dioxide to use NaOH to go to absorb the carbon dioxide energy consumption in air too big, 679kJ/
Mol, the energy equivalence of trapping carbon dioxide-depleted contains the twice of energy in burning coal, and needs to add in regenerative process
Heat consumption energy.K.S.Lackner(Lackner,K.S.Capture of Carbon Dioxide from Ambient
Air.Eur.Phys.J.Spec.Top.176,93-106,doi:10.1140/epjst/e2009-01150-3(2009)；
Lackner,K.S.et al.The urgency of the development of CO2capture from ambient
air.Proceedings of the National Academy of Sciences 109,13156-13162,doi:
10.1073/pnas.1108765109 (2012) .) ion exchange resin can be carbonized, thus the suction of the adsorbing material reduced
Attached performance, and this method is limited only to ion exchange resin, and extensibility and the universality of material have been short of.Ion
Exchanger resin belongs to micron particles, and this material is limited with the contact area of air, so two can not be adsorbed the most efficiently
Carbonoxide.So, a kind of adsorbent of research and development, need not the when of regeneration consume heat energy, and to have substantial amounts of contact with air
Area thus improve the adsorption efficiency of material, this is extremely critical place.
Summary of the invention
It is an object of the invention to provide a kind of ion hydrate type adsorbent, solve existing Capture by Sorbents carbon dioxide
Energy consumption is high and inefficient problem.
Another object of the present invention provides the preparation method of a kind of ion hydrate type adsorbent.
Third object of the present invention is to provide and a kind of uses above-mentioned ion hydrate type Capture by Sorbents carbon dioxide
Method.
The technical solution adopted in the present invention is, a kind of ion hydrate type adsorbent, including adsorbing agent carrier and suction
The acid ion of attachment on attached agent carrier, wherein adsorbing agent carrier is nano-void material.
The feature of the present invention also resides in,
Nano-void material is all porous materials with nanoscale cavity.
Nano-void material is activated carbon, quartz, zeolite, ion exchange resin, CNT, organic metal framework material
One therein.
Acid ion is carbonate, inferior sulfate radical, sulfate radical or phosphate radical.
Second technical scheme of the present invention is, the preparation method of a kind of ion hydrate type adsorbent will be received
Rice void material is immersed in and is dipped to saturated in acid group basic salt solion, is dried the most in atmosphere, obtains.
The feature of the present invention also resides in,
Nano-void material is all porous materials with nanoscale cavity.
Nano-void material is activated carbon, quartz, zeolite, ion exchange resin, CNT, organic metal framework material
One therein.
Acid group basic salt solion is in sodium carbonate liquor, sodium sulfite solution, metabisulfite solution or sodium radio-phosphate,P-32 solution
One.
Being dried is to be dried 2～2.5h at normal temperatures and pressures.
3rd technical scheme of the present invention is, uses the side of ion hydrate type Capture by Sorbents carbon dioxide
Method, specifically implements according to following steps:
Step 1, loads ion hydrate type adsorbent in pouch, and pouch only allows hydrone and gas molecule to pass through；
Step 2, dries 2～2.5h the most naturally by the adsorbent of step 1 good seal, and at this moment adsorbent has adsorbed
Full carbon dioxide is in saturation；
Step 3, puts in water by the adsorbent of full for absorption carbon dioxide, and carbon dioxide will discharge, and focuses on
The carbon dioxide discharged, is used for storing；
Step 4, then the adsorbent that step 3 releases carbon dioxide puts in air and dries, simultaneously in absorption air
Carbon dioxide is to saturated；
Step 5, the adsorbent that step 4 is adsorbed full carbon dioxide is put in water, can discharge again carbon dioxide, dry suction
Attached, so circulate recycling.
The invention has the beneficial effects as follows,
Ion hydrate type adsorbent of the present invention, it is possible to use any material having nano aperture to be matrix, adsorbs two
Carbonoxide, this adsorbent only just can drive whole absorption release process, when the water yield is less in air by the number of water
Wait (weather not rained), can absorbing carbon dioxide in atmosphere；When adsorbent fully loaded time, adsorbent is put into water
In, the carbon dioxide of absorption just can discharge, and can focus on carbon dioxide in this.In brief, water is few, adsorbs two
Carbonoxide, water is many, discharges carbon dioxide.
Adsorbent of the present invention need not heating just can complete whole absorption release cycle, and unique driving force is exactly water,
All of nano-void material can be generally applicable to, there is broad applicability；Compared with existing adsorbent, substantially increase suction
Attached efficiency, is 50 times of existing adsorbent.
Accompanying drawing explanation
Fig. 1 is the absorption release cycle figure of ion hydrate type Capture by Sorbents carbon dioxide of the present invention；
Fig. 2 is the fundamental diagram of ionic hydration physical property adsorbent of the present invention；
Fig. 3 is CO3 2-+nH2O=HCO3 -+OH-+(n-1)H2This chemical equation free energy of O is with the change of the water yield
Curve；
Fig. 4 is the curve chart that ionic hydration physical property adsorbent carbon dioxide of the present invention changes with the water yield.
Detailed description of the invention
The present invention is described in detail with detailed description of the invention below in conjunction with the accompanying drawings.
Ion hydrate type adsorbent of the present invention, including on adsorbing agent carrier and adsorbing agent carrier attachment acid group from
Son, wherein adsorbing agent carrier is nano-void material.
Nano-void material is all porous materials with nanoscale cavity, it is preferable that nano-void material is activity
Charcoal, quartz, zeolite, ion exchange resin, CNT, organic metal framework material one therein.
Acid ion is carbonate, inferior sulfate radical, sulfate radical or phosphate radical.
The preparation method of above-mentioned ion hydrate type adsorbent, is immersed in acid group basic salt ion by nano-void material
Solution is dipped to saturated (different nano-void materials can be with the alkaline salt solution of load different quality), the most in atmosphere
It is dried 2～2.5h under normal temperature and pressure, obtains.
Acid group basic salt solion is in sodium carbonate liquor, sodium sulfite solution, metabisulfite solution or sodium radio-phosphate,P-32 solution
One.
The acid ion of every 1 mole can adsorb the carbon dioxide of 1 mole.Prepare the acid group basic salt that adsorbent is used
The amount of solion can make according to the required amount body of absorbing carbon dioxide total amount.
The method using ion hydrate type Capture by Sorbents carbon dioxide, specifically implements according to following steps:
Step 1, loads ion hydrate type adsorbent in pouch, and pouch only allows hydrone and gas molecule to pass through；
Step 2, dries 2～2.5h the most naturally by the adsorbent of step 1 good seal, and at this moment adsorbent has adsorbed
Full carbon dioxide is in saturation；
Step 3, puts in water by the adsorbent of full for absorption carbon dioxide, and carbon dioxide will discharge, and focuses on
The carbon dioxide discharged, is used for storing；
Step 4, then the adsorbent that step 3 releases carbon dioxide puts in air and dries, simultaneously in absorption air
Carbon dioxide is to saturated；
Step 5, the adsorbent that step 4 is adsorbed full carbon dioxide is put in water, can discharge again carbon dioxide, dry suction
Attached, so circulate recycling.
As it is shown in figure 1, ion hydrate type adsorbent of the present invention release process.Adsorb during Empty-Fresh state
Agent is ready, and in the presence of the most a small amount of hydrone, during Empty-Dry state, hydrone can resolve into matter
Son and a hydroxide ion, hydroxide ion can be with absorbing carbon dioxide；Adsorbent is described during Full-Dry state
Through at full capacity；Putting in water by adsorbent during Empty-Wet state, carbon dioxide can discharge, and dries and returns to afterwards
Empty-Fresh state can be reused.
The operation principle of ionic hydration physical property adsorbent of the present invention, as in figure 2 it is shown,
WhereinBy molecular dynamics and the calculating of quantum chemistry, it was found that this inversely
The chemical reaction of unusual state, and then just have devised this novel adsorbing material.Under the empty structure of nano material, carbonic acid
The ratio of root and water can be up to 1:1, result in this reverse chemical reaction.So this chemical reaction is under water environment
Non-existent.By calculating CO3 2-+nH2O=HCO3 -+OH-+(n-1)H2This chemical equation free energy of O is many with water
Few change, as graphically shown in fig. 3.Abscissa is the number of the water yield, and vertical coordinate is Gibbs free value.When water is little, from
By being negative value, above-mentioned chemical equation can be carried out to the right, thus produces substantial amounts of OH-, hydroxyl, adsorbs two
Carbonoxide；When hydrone is many when, free energy becomes on the occasion of and gradually stablizes, and illustrates that chemical reaction will be carried out to the left side,
Thus there is little OH-, it is impossible to absorbing carbon dioxide.Therefore by nano-void material, in the saline solution containing acid ion
After immersion, cavity will exist acid group, add the water in air and carbon dioxide, just have above-mentioned reverse chemistry anti-
Should, thus absorbing carbon dioxide.
Fig. 4 illustrates the curve chart that adsorbent carbon dioxide changes with the water yield.Abscissa is the time, the Y-axis on the left side
Being gas concentration lwevel, the Y-axis on the right is the concentration of water.The concentration of carbon dioxide is pointed out by solid line over time, water
Concentration is illustrated by the broken lines over time.Result demonstrates, the 30PPT when moisture in air subnumber is more, and carbon dioxide exists
Dense in air reaches 700PPM；When the moisture subnumber in air is less, 3PPT, adsorbent starts to adsorb titanium dioxide
Carbon thus gas concentration lwevel reduces to 450PPM.Being heightened by water concentration when coming back to 30PPT, gas concentration lwevel increases again
To 700PPM.Prove that adsorbent has discharged carbon dioxide.So can recycle.
Embodiment 1
Activated carbon is immersed in sodium carbonate liquor be dipped to saturated, the most in atmosphere under normal temperature and pressure be dried 2h,
To ion hydrate type adsorbent.
Embodiment 2
Quartz is immersed in sodium carbonate liquor be dipped to saturated, the most in atmosphere under normal temperature and pressure be dried 2.5h,
To ion hydrate type adsorbent.
Embodiment 3
Zeolite is immersed in sodium sulfite solution be dipped to saturated, the most in atmosphere under normal temperature and pressure be dried 2.2h,
Obtain ion hydrate type adsorbent.
Embodiment 4
Activated carbon is immersed in metabisulfite solution be dipped to saturated, the most in atmosphere under normal temperature and pressure be dried 2.5h,
Obtain ion hydrate type adsorbent.
Embodiment 5
CNT is immersed in sodium radio-phosphate,P-32 solution be dipped to saturated, the most in atmosphere under normal temperature and pressure be dried
2.5h, obtains ion hydrate type adsorbent.
Embodiment 6
Quartz is immersed in sodium sulfite solution be dipped to saturated, the most in atmosphere under normal temperature and pressure be dried 2.5h,
Obtain ion hydrate type adsorbent.
Claims (10)
1. an ion hydrate type adsorbent, it is characterised in that include attachment on adsorbing agent carrier and adsorbing agent carrier
Acid ion, wherein adsorbing agent carrier is nano-void material.
Ion hydrate type adsorbent the most according to claim 1, it is characterised in that described nano-void material is all
There is the porous material in nanoscale cavity.
Ion hydrate type adsorbent the most according to claim 1 and 2, it is characterised in that nano-void material is activity
Charcoal, quartz, zeolite, ion exchange resin, CNT, organic metal framework material one therein.
Ion hydrate type adsorbent the most according to claim 1, it is characterised in that acid ion is carbonate, sulfurous
Acid group, sulfate radical or phosphate radical.
5. the preparation method of an ion hydrate type adsorbent, it is characterised in that nano-void material is immersed in acid group alkali
Property salt ion solution is dipped to saturated, is dried the most in atmosphere, obtains.
The preparation method of ion hydrate type adsorbent the most according to claim 5, it is characterised in that nano-void material
For all porous materials with nanoscale cavity.
7. according to the preparation method of the ion hydrate type adsorbent described in claim 5 or 6, it is characterised in that nano-void
Material is activated carbon, quartz, zeolite, ion exchange resin, CNT, organic metal framework material one therein.
The preparation method of ion hydrate type adsorbent the most according to claim 5, it is characterised in that acid group basic salt from
Sub-solution is the one in sodium carbonate liquor, sodium sulfite solution, metabisulfite solution or sodium radio-phosphate,P-32 solution.
The preparation method of ion hydrate type adsorbent the most according to claim 5, it is characterised in that being dried is at room temperature
2～2.5h it are dried under normal pressure.
10. the method for employing ion hydrate type Capture by Sorbents carbon dioxide described in claim 1, it is characterised in that tool
Body is implemented according to following steps:
Step 1, loads ion hydrate type adsorbent in pouch, and pouch only allows hydrone and gas molecule to pass through；
Step 2, the most naturally dries 2～2.5h by the adsorbent of step 1 good seal, and at this moment adsorbent has adsorbed full two
Carbonoxide is in saturation；
Step 3, puts in water by the adsorbent of full for absorption carbon dioxide, and carbon dioxide will discharge, and focuses on release
The carbon dioxide gone out, is used for storing；
Step 4, then the adsorbent that step 3 releases carbon dioxide puts in air and dries, the dioxy in absorption air simultaneously
Change carbon to saturated；
Step 5, the adsorbent that step 4 is adsorbed full carbon dioxide is put in water, can discharge again carbon dioxide, dry absorption,
So circulate recycling.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190099862A (en) * | 2018-02-20 | 2019-08-28 | 한국과학기술원 | Ionic Clathrate Nano-Cage Reactor and Method of Capturing and Decomposing Greenhouse Gases By Using the Same |
| WO2019223111A1 (en) * | 2018-05-21 | 2019-11-28 | 成都威能士医疗科技有限公司 | Method of capturing and enriching carbon dioxide from air by using active material or modified active material and application thereof in catching insect |
| CN110922947A (en) * | 2019-12-10 | 2020-03-27 | 桂林理工大学 | Additive for reducing inhibition of swelling performance of bentonite by seawater |
| CN113680334A (en) * | 2021-09-14 | 2021-11-23 | 时笑阳 | Carbon dioxide adsorbent and preparation method and application thereof |
| CN114053827A (en) * | 2021-12-07 | 2022-02-18 | 绍兴金泰容器制造有限公司 | Organic waste gas adsorption and purification device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190099862A (en) * | 2018-02-20 | 2019-08-28 | 한국과학기술원 | Ionic Clathrate Nano-Cage Reactor and Method of Capturing and Decomposing Greenhouse Gases By Using the Same |
| KR102056385B1 (en) | 2018-02-20 | 2020-01-22 | 한국과학기술원 | Ionic Clathrate Nano-Cage Reactor and Method of Capturing and Decomposing Greenhouse Gases By Using the Same |
| WO2019223111A1 (en) * | 2018-05-21 | 2019-11-28 | 成都威能士医疗科技有限公司 | Method of capturing and enriching carbon dioxide from air by using active material or modified active material and application thereof in catching insect |
| CN110922947A (en) * | 2019-12-10 | 2020-03-27 | 桂林理工大学 | Additive for reducing inhibition of swelling performance of bentonite by seawater |
| CN110922947B (en) * | 2019-12-10 | 2022-03-22 | 桂林理工大学 | Additive for reducing inhibition of swelling performance of bentonite by seawater |
| CN113680334A (en) * | 2021-09-14 | 2021-11-23 | 时笑阳 | Carbon dioxide adsorbent and preparation method and application thereof |
| CN114053827A (en) * | 2021-12-07 | 2022-02-18 | 绍兴金泰容器制造有限公司 | Organic waste gas adsorption and purification device |
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