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Kinetics and mechanism of low‐concentration CO2 adsorption on solid amine in a humid confined space

The kinetics and mechanism of low‐concentration CO2 adsorption on a solid‐supported polyethylenimine (PEI) adsorbent in a humid confined space were investigated, where the content of CO2 was about 0.4 % (v). A flow system, equipped with a dew point meter and IR gas analyzer connected in series for o... Full description

Journal Title: The Canadian Journal of Chemical Engineering Mar 2019, Vol.97(3), pp.697-701
Main Author: Si, Wenting
Other Authors: Ye, Sha , Zhang, Dongxiao , Yang, Bin , Hou, Yang , Li, Zhongjian , Zhang, Xingwang , Zhu, Jingke
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0008-4034 ; E-ISSN: 1939-019X ; DOI: 10.1002/cjce.23257
Link: http://search.proquest.com/docview/2178709736/?pq-origsite=primo
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title: Kinetics and mechanism of low‐concentration CO2 adsorption on solid amine in a humid confined space
format: Article
creator:
  • Si, Wenting
  • Ye, Sha
  • Zhang, Dongxiao
  • Yang, Bin
  • Hou, Yang
  • Li, Zhongjian
  • Zhang, Xingwang
  • Zhu, Jingke
subjects:
  • Air Flow
  • Confined Spaces
  • Adsorbents
  • Air Flow
  • Activation Energy
  • Carbon Dioxide
  • Carbon Monoxide
  • Gas Analyzers
  • Adsorption
  • Adsorption
  • Bicarbonates
  • Dew Point
  • Polyethyleneimine
  • Co‐Adsorption
  • Solid Amine Adsorbent
  • Reaction Kinetics
  • Mechanism
  • CO 2 Capture
ispartof: The Canadian Journal of Chemical Engineering, Mar 2019, Vol.97(3), pp.697-701
description: The kinetics and mechanism of low‐concentration CO2 adsorption on a solid‐supported polyethylenimine (PEI) adsorbent in a humid confined space were investigated, where the content of CO2 was about 0.4 % (v). A flow system, equipped with a dew point meter and IR gas analyzer connected in series for online measurement, was developed and the co‐adsorption performance of CO2 and H2O was analyzed. It was found that the H2O adsorption capacity and activation energy were not significantly changed when 0.4 % (v) CO2 was applied in the co‐adsorption process, indicating that the effect of dilute CO2 could be neglected. However, the CO2 adsorption capacity increased with the assistance of H2O, and then it decreased slightly when the H2O content in air flow was above 1.56 % (v). This implied that the adsorption activation energy of CO2 could be significantly reduced due to the existence of H2O in air flow. The direct formation of bicarbonate on the supported PEI adsorbent was favoured for the co‐adsorption...
language: eng
source:
identifier: ISSN: 0008-4034 ; E-ISSN: 1939-019X ; DOI: 10.1002/cjce.23257
fulltext: fulltext
issn:
  • 00084034
  • 0008-4034
  • 1939019X
  • 1939-019X
url: Link


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titleKinetics and mechanism of low‐concentration CO2 adsorption on solid amine in a humid confined space
creatorSi, Wenting ; Ye, Sha ; Zhang, Dongxiao ; Yang, Bin ; Hou, Yang ; Li, Zhongjian ; Zhang, Xingwang ; Zhu, Jingke
ispartofThe Canadian Journal of Chemical Engineering, Mar 2019, Vol.97(3), pp.697-701
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subjectAir Flow ; Confined Spaces ; Adsorbents ; Air Flow ; Activation Energy ; Carbon Dioxide ; Carbon Monoxide ; Gas Analyzers ; Adsorption ; Adsorption ; Bicarbonates ; Dew Point ; Polyethyleneimine ; Co‐Adsorption ; Solid Amine Adsorbent ; Reaction Kinetics ; Mechanism ; CO 2 Capture
descriptionThe kinetics and mechanism of low‐concentration CO2 adsorption on a solid‐supported polyethylenimine (PEI) adsorbent in a humid confined space were investigated, where the content of CO2 was about 0.4 % (v). A flow system, equipped with a dew point meter and IR gas analyzer connected in series for online measurement, was developed and the co‐adsorption performance of CO2 and H2O was analyzed. It was found that the H2O adsorption capacity and activation energy were not significantly changed when 0.4 % (v) CO2 was applied in the co‐adsorption process, indicating that the effect of dilute CO2 could be neglected. However, the CO2 adsorption capacity increased with the assistance of H2O, and then it decreased slightly when the H2O content in air flow was above 1.56 % (v). This implied that the adsorption activation energy of CO2 could be significantly reduced due to the existence of H2O in air flow. The direct formation of bicarbonate on the supported PEI adsorbent was favoured for the co‐adsorption...
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titleKinetics and mechanism of low‐concentration CO2 adsorption on solid amine in a humid confined space
descriptionThe kinetics and mechanism of low‐concentration CO2 adsorption on a solid‐supported polyethylenimine (PEI) adsorbent in a humid confined space were investigated, where the content of CO2 was about 0.4 % (v). A flow system, equipped with a dew point meter and IR gas analyzer connected in series for online measurement, was developed and the co‐adsorption performance of CO2 and H2O was analyzed. It was found that the H2O adsorption capacity and activation energy were not significantly changed when 0.4 % (v) CO2 was applied in the co‐adsorption process, indicating that the effect of dilute CO2 could be neglected. However, the CO2 adsorption capacity increased with the assistance of H2O, and then it decreased slightly when the H2O content in air flow was above 1.56 % (v). This implied that the adsorption activation energy of CO2 could be significantly reduced due to the existence of H2O in air flow. The direct formation of bicarbonate on the supported PEI adsorbent was favoured for the co‐adsorption...
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4Carbon Dioxide
5Carbon Monoxide
6Gas Analyzers
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8Bicarbonates
9Dew Point
10Polyethyleneimine
11Co‐Adsorption
12Solid Amine Adsorbent
13Reaction Kinetics
14Mechanism
15CO 2 Capture
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titleKinetics and mechanism of low‐concentration CO2 adsorption on solid amine in a humid confined space
authorSi, Wenting ; Ye, Sha ; Zhang, Dongxiao ; Yang, Bin ; Hou, Yang ; Li, Zhongjian ; Zhang, Xingwang ; Zhu, Jingke
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4Carbon Dioxide
5Carbon Monoxide
6Gas Analyzers
7Adsorption
8Bicarbonates
9Dew Point
10Polyethyleneimine
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12Solid Amine Adsorbent
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abstractThe kinetics and mechanism of low‐concentration CO2 adsorption on a solid‐supported polyethylenimine (PEI) adsorbent in a humid confined space were investigated, where the content of CO2 was about 0.4 % (v). A flow system, equipped with a dew point meter and IR gas analyzer connected in series for online measurement, was developed and the co‐adsorption performance of CO2 and H2O was analyzed. It was found that the H2O adsorption capacity and activation energy were not significantly changed when 0.4 % (v) CO2 was applied in the co‐adsorption process, indicating that the effect of dilute CO2 could be neglected. However, the CO2 adsorption capacity increased with the assistance of H2O, and then it decreased slightly when the H2O content in air flow was above 1.56 % (v). This implied that the adsorption activation energy of CO2 could be significantly reduced due to the existence of H2O in air flow. The direct formation of bicarbonate on the supported PEI adsorbent was favoured for the co‐adsorption...
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pubWiley Subscription Services, Inc.
doi10.1002/cjce.23257
urlhttp://search.proquest.com/docview/2178709736/
orcididhttps://orcid.org/0000-0002-5136-9743
date2019-03