CN108043368A - A kind of preparation method of resin group carbonic anhydride adsorption agent - Google Patents

A kind of preparation method of resin group carbonic anhydride adsorption agent Download PDF

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Publication number
CN108043368A
CN108043368A CN201810032534.0A CN201810032534A CN108043368A CN 108043368 A CN108043368 A CN 108043368A CN 201810032534 A CN201810032534 A CN 201810032534A CN 108043368 A CN108043368 A CN 108043368A
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China
Prior art keywords
resin
phosphate
preparation
ion exchange
carbonic anhydride
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Pending
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CN201810032534.0A
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Chinese (zh)
Inventor
宋居正
陈炎
陈曦
闫渊
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Xi'an Chang Ze Rui New Mstar Technology Ltd
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Xi'an Chang Ze Rui New Mstar Technology Ltd
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Priority to CN201810032534.0A priority Critical patent/CN108043368A/en
Publication of CN108043368A publication Critical patent/CN108043368A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26Synthetic macromolecular compounds
    • B01J20/265Synthetic macromolecular compounds modified or post-treated polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/3085Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/34Regenerating or reactivating
    • B01J20/3425Regenerating or reactivating of sorbents or filter aids comprising organic materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/20Organic adsorbents
    • B01D2253/202Polymeric adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/50Carbon oxides
    • B01D2257/504Carbon dioxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40083Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • 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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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

The invention discloses a kind of preparation methods of resin group carbonic anhydride adsorption agent;Include the following steps:1, D201 macropore styrene series anion exchange resin particles are washed with deionized and are filtered once;2, the resin after washing is immersed in phosphate solution, and stir carry out ion exchange, it is every 2~4 it is small when replace a phosphate solution, terminate ion exchange after replacing solution three times;3, the resin after ion exchange is rinsed with deionized water repeatedly to eluate to neutrality;4, the resin after flushing is put into drying box and is dried, obtained dry resin is resin group carbonic anhydride adsorption agent, which can be with wet reclamation;Chlorion in D201 macropore styrene series anion exchange resins is replaced with phosphate anion by the present invention by ion exchange, phosphate radical can adsorb the CO2 in air as active function groups in dry environment, the desorption CO2 in moist environment, realize adsorbent reactivation, regeneration cost and its low.Preparation process is relatively easy simultaneously, and the cost of raw material is low.

Description

A kind of preparation method of resin group carbonic anhydride adsorption agent
Technical field
The present invention relates to a kind of preparation methods of carbon dioxide absorber, and in particular to a kind of resin base carbon dioxide absorption The preparation method of agent.
Background technology
Collecting carbonic anhydride is to solve global carbon dioxide concentration to continue raised effective ways with Plugging Technology Applied, wherein two Oxidation carbon adsorbent is the most important thing of the technology.Common carbon dioxide absorber is amine adsorbent in industry at present, should Kind adsorbent reactivation needs higher temperature, so regeneration energy consumption is high, is not suitable for being used for collecting carbonic anhydride on a large scale.
Wet reclamation carbon dioxide absorber can adsorb carbon dioxide in dry environment, and be desorbed in moist environment Annex II carbonoxide realizes adsorbent reactivation, this kind of adsorbent reactivation cost and its low is suitable for extensive collecting carbonic anhydride.
D201 macropore styrene series anion exchange resins contain substantial amounts of quaternary amines, and the quaternary amines of positively charged can be with Attract electronegative group, such as phosphate anion.Trivalent phosphate anion can generate hydroxide ion by multistage hydrolysis.
The content of the invention
In order to solve the above-mentioned problems of the prior art, it is an object of the invention to provide a kind of resin base carbon dioxides The preparation method of adsorbent allows D201 macropore styrene series anion exchange resins to load phosphate radical by ion exchange, Multistage hydrolysis of the phosphate radical in nano aperture is reversible, by the carry out side for controlling the i.e. controllable reversible reaction of humidity To, and the hydroxide ion that phosphate anion hydrolysis generates can adsorb carbon dioxide, therefore can be by controlling humidity Realize the adsorption and de-adsorption of carbon dioxide.Also, compared to the resin of load carbonate, the resin for loading phosphate radical has more Big adsorbance and the attached speed of faster Adsorption and desorption.
In order to achieve the above object, the present invention adopts the following technical scheme that:
A kind of preparation method of resin group carbonic anhydride adsorption agent, the preparation method include the following steps:
D201 macropore styrene series anion exchange resin particles are added to agitator treating 2 in deionized water by step 1 ~4 it is small when, be then obtained by filtration washing after resin particle;
Then resin particle after washing is immersed in the phosphate solution of 0.5mol/L by step 2, and stir progress Ion exchange, it is every 2~4 it is small when replace a phosphate solution, replace and terminate ion exchange after solution three times;
Resin after ion exchange with deionized water is rinsed to eluate and is in neutrality by step 3 repeatedly;
Resin after flushing is put into drying box by step 4, when drying 24 is small more than, obtained dry resin is to set Aliphatic radical carbon dioxide absorber, the adsorbent can be with wet reclamatioies.
Preferably, in step 1, the particle size range of D201 macropore styrene series anion exchange resin particles is 25um The volume ratio of~500um, D201 macropore styrene series anion exchange resin particle and deionized water is 1:2~1:4.
Preferably, in step 2, phosphate used can be that the arbitrary proportion of potassium phosphate, sodium phosphate or the two mixes The volume ratio of conjunction object, resin particle and phosphate solution is 1:2~1:4.
Preferably, in step 4, the temperature range in drying box is 25~60 DEG C.
Compared to the prior art, the present invention has the following advantages:
(1) raw material D201 macropores styrene series anion exchange resin and phosphate can be obtained largely in preparation method , relative inexpensiveness.
(2) regeneration that adsorbent can be realized in humidity is improved, renovation process cleaning, low energy consumption are suitble to large-scale application.
(3) compared to the resin of load carbonate, adsorbance bigger, the attached speed of Adsorption and desorption is faster.
(4) chlorion in D201 macropore styrene series anion exchange resins is replaced with by phosphate radical by ion exchange Ion, phosphate radical can adsorb the CO2 in air, the desorption in moist environment as active function groups in dry environment CO2 realizes adsorbent reactivation, regeneration cost and its low.Preparation process is relatively easy simultaneously, and the cost of raw material is low.
Specific embodiment
The present embodiment 1 is related to a kind of preparation method of resin group carbonic anhydride adsorption agent, includes the following steps,
The D201 macropore styrene series anion exchange resin particles of the 25um grain sizes of 5ml are added to 10ml by step 1 Deionized water in agitator treating 2 it is small when, be then obtained by filtration washing after resin particle;
Step 2 in the sodium radio-phosphate,P-32 solution of then 0.5mol/L that the resin particle after washing is immersed in 10ml, and is stirred Mix carry out ion exchange, it is every 2 it is small when replace a sodium hypophosphite solution, terminate ion exchange after replacing solution three times;
Resin after ion exchange with deionized water is rinsed to eluate and is in neutrality by step 3 repeatedly;
Resin after flushing is put into drying box by step 4, and when 25 DEG C of drying 48 are small, obtained dry resin is to set Aliphatic radical carbon dioxide absorber, the adsorbent can be with wet reclamatioies.
The present embodiment 2 is related to a kind of preparation method of resin group carbonic anhydride adsorption agent, includes the following steps,
The D201 macropore styrene series anion exchange resin particles of the 100um grain sizes of 25ml are added to by step 1 When agitator treating 3 is small in the deionized water of 75ml, the resin particle after washing is then obtained by filtration;
Step 2 in the phosphate solution of then 0.5mol/L that the resin particle after washing is immersed in 75ml, and is stirred Mix carry out ion exchange.Wherein phosphate is that the ratio between potassium phosphate and the mixture of sodium phosphate, the amount of the two substance are 1:1.Every 3 is small Phosphate solution of Shi Genghuan terminates ion exchange after replacing solution three times;
Resin after ion exchange with deionized water is rinsed to eluate and is in neutrality by step 3 repeatedly;
Resin after flushing is put into drying box by step 4, and when 40 DEG C of drying 36 are small, obtained dry resin is to set Aliphatic radical carbon dioxide absorber, the adsorbent can be with wet reclamatioies.
The present embodiment 3 is related to a kind of preparation method of resin group carbonic anhydride adsorption agent, includes the following steps,
The D201 macropore styrene series anion exchange resin particles of the 500um grain sizes of 50ml are added to by step 1 When agitator treating 4 is small in the deionized water of 200ml, the resin particle after washing is then obtained by filtration;
Step 2 in the potassium phosphate solution of then 0.5mol/L that the resin particle after washing is immersed in 200ml, and is stirred Mix carry out ion exchange, it is every 4 it is small when replace a potassium phosphate solution, terminate ion exchange after replacing solution three times;
Resin after ion exchange with deionized water is rinsed to eluate and is in neutrality by step 3 repeatedly;
Resin after flushing is put into drying box by step 4, and when 60 DEG C of drying 24 are small, obtained dry resin is to set Aliphatic radical carbon dioxide absorber, the adsorbent can be with wet reclamatioies.
Fig. 1 is to carry out carbon dioxide adsorption to the resin group carbonic anhydride adsorption agent obtained in embodiment 3 to survey with desorption The test result of examination.In Fig. 1, gas concentration lwevel is shown round data point, and air humidity, that is, water vapour content is shown as just Square data points.After resin group carbonic anhydride adsorption agent is adsorbed carbon dioxide saturation in dry air, it is put into full of drying In the annular seal space of air.Increase the humidity of annular seal space, resin group carbonic anhydride adsorption agent starts desorption carbon dioxide, annular seal space Interior gas concentration lwevel raises rapidly as humidity increases;Reduce humidity in annular seal space, resin group carbonic anhydride adsorption agent Start to adsorb carbon dioxide, as humidity reduces in annular seal space, gas concentration lwevel also reduces rapidly.Test result illustrates resin Group carbonic anhydride adsorption agent can adsorb carbon dioxide under the low humidity, and can at high humidity desorption carbon dioxide it is real Existing adsorbent reactivation.Test result also indicates that its carbon dioxide adsorption capacity does not substantially decay simultaneously.As a comparison, to load The resin of carbanion has also carried out the attached test of adsorption/desorption, and test result is as shown in Fig. 2, wherein load phosphate anion The dense carbon dioxide degrees of data of resin be shown round data point, load the dense carbon dioxide number of degrees of the resin of carbanion According to triangular data points are shown as, air humidity, that is, water vapour content is shown as square data points.As can be seen that load phosphoric acid The resin of radical ion has the equilibrium adsorption capacity of bigger and the attached speed of faster Adsorption and desorption.
Specific embodiments of the present invention are described above, it should be pointed out that for the common of the art For technical staff, various improvements and modifications may be made without departing from the principle of the present invention, these are improved and profit Decorations also should be protection scope of the present invention.

Claims (4)

1. a kind of preparation method of resin group carbonic anhydride adsorption agent, it is characterised in that:The preparation method includes the following steps:
It is small to be added in agitator treating 2~4 in deionized water by step 1 for D201 macropore styrene series anion exchange resins particle When, the resin particle after washing is then obtained by filtration;
Then resin particle after washing is immersed in the phosphate solution of 0.5mol/L by step 2, and stir carry out ion Exchange, it is every 2~4 it is small when replace a phosphate solution, replace and terminate ion exchange after solution three times;
Resin after ion exchange with deionized water is rinsed to eluate and is in neutrality by step 3 repeatedly;
Resin after flushing is put into drying box by step 4, drying 24 it is small when more than, obtained dry resin is resin base Carbon dioxide absorber, the adsorbent being capable of wet reclamatioies.
2. a kind of preparation method of resin group carbonic anhydride adsorption agent as described in claim 1, it is characterised in that:In step 1 In, the particle size ranges of D201 macropore styrene series anion exchange resin particles is 25um~500um, D201 macropore polystyrenes The volume ratio of anion exchange resin particles and deionized water is 1:2~1:4.
3. a kind of preparation method of resin group carbonic anhydride adsorption agent as described in claim 1, it is characterised in that:In step 2 In, phosphate used is the arbitrary proportion mixture of potassium phosphate, sodium phosphate or the two, resin particle and phosphate solution Volume ratio is 1:2~1:4.
4. a kind of preparation method of resin group carbonic anhydride adsorption agent as described in claim 1, it is characterised in that:In step 4 In, the temperature range in drying box is 25~60 DEG C.
CN201810032534.0A 2018-01-12 2018-01-12 A kind of preparation method of resin group carbonic anhydride adsorption agent Pending CN108043368A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110822582A (en) * 2019-11-18 2020-02-21 西北大学 Indoor CO2Air purification device and method
CN110906446A (en) * 2019-11-28 2020-03-24 西安鸿钧睿泽新材料科技有限公司 Integrated air conditioning device with functions of filtering and capturing indoor carbon dioxide
CN111316963A (en) * 2020-03-02 2020-06-23 西北大学 CO regeneration based on wet method2Mosquito trap of trapping material and mosquito trapping method
CN113786818A (en) * 2021-09-26 2021-12-14 西安热工研究院有限公司 Resin type adsorbent for directly capturing carbon dioxide in air and preparation method thereof
CN114574045A (en) * 2022-03-18 2022-06-03 上海泽耀环保科技有限公司 Preparation method of water-borne carbon dioxide capture surface coating
CN114570439A (en) * 2022-03-24 2022-06-03 美埃(中国)环境科技股份有限公司 Treatment method of ion exchange resin for removing acid gas in air
CN114832795A (en) * 2022-05-20 2022-08-02 华北水利水电大学 Is suitable for ultralow-concentration CO 2 Preparation method of trapped polyether sulfone composite membrane material

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101657246A (en) * 2007-04-17 2010-02-24 环球研究技术有限公司 Capture of carbon dioxide (CO2) from air
CN101848754A (en) * 2007-11-05 2010-09-29 环球研究技术有限公司 Removal of carbon dioxide from air
CN104128204A (en) * 2014-07-17 2014-11-05 合肥工业大学 Preparation method of silver phosphate/resin compound
CN104826450A (en) * 2006-10-02 2015-08-12 环球研究技术有限公司 Method and apparatus for extracting carbon dioxide from air

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104826450A (en) * 2006-10-02 2015-08-12 环球研究技术有限公司 Method and apparatus for extracting carbon dioxide from air
CN101657246A (en) * 2007-04-17 2010-02-24 环球研究技术有限公司 Capture of carbon dioxide (CO2) from air
CN101848754A (en) * 2007-11-05 2010-09-29 环球研究技术有限公司 Removal of carbon dioxide from air
CN104128204A (en) * 2014-07-17 2014-11-05 合肥工业大学 Preparation method of silver phosphate/resin compound

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
孙秩敏: "基于大气CO2捕集的湿法再生吸附剂实验研究", 《浙江大学硕士学位论文》 *
贡长生: "《现代工业化学》", 30 June 2008, 华中科技大学出版社 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110822582A (en) * 2019-11-18 2020-02-21 西北大学 Indoor CO2Air purification device and method
CN110822582B (en) * 2019-11-18 2021-03-16 西北大学 Indoor CO2Air purification device and method
CN110906446A (en) * 2019-11-28 2020-03-24 西安鸿钧睿泽新材料科技有限公司 Integrated air conditioning device with functions of filtering and capturing indoor carbon dioxide
CN110906446B (en) * 2019-11-28 2021-08-03 西安鸿钧睿泽新材料科技有限公司 Integrated air conditioning device with functions of filtering and capturing indoor carbon dioxide
CN111316963A (en) * 2020-03-02 2020-06-23 西北大学 CO regeneration based on wet method2Mosquito trap of trapping material and mosquito trapping method
CN113786818A (en) * 2021-09-26 2021-12-14 西安热工研究院有限公司 Resin type adsorbent for directly capturing carbon dioxide in air and preparation method thereof
WO2023045464A1 (en) * 2021-09-26 2023-03-30 西安热工研究院有限公司 Resin-type adsorbent for directly capturing carbon dioxide from air and preparation method therefor
CN114574045A (en) * 2022-03-18 2022-06-03 上海泽耀环保科技有限公司 Preparation method of water-borne carbon dioxide capture surface coating
CN114570439A (en) * 2022-03-24 2022-06-03 美埃(中国)环境科技股份有限公司 Treatment method of ion exchange resin for removing acid gas in air
CN114832795A (en) * 2022-05-20 2022-08-02 华北水利水电大学 Is suitable for ultralow-concentration CO 2 Preparation method of trapped polyether sulfone composite membrane material

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Application publication date: 20180518