Triamine-grafted pore-expanded mesoporous silica for CO2 capture: Effect of moisture and adsorbent regeneration strategies

Rodrigo Serna-Guerrero; Youssef Belmabkhout; Abdelhamid Sayari

doi:10.1007/s10450-010-9253-y

Triamine-grafted pore-expanded mesoporous silica for CO2 capture: Effect of moisture and adsorbent regeneration strategies

Rodrigo Serna-Guerrero, Youssef Belmabkhout, Abdelhamid Sayari^*

^*Corresponding author for this work

Not published at Aalto University

University of Ottawa

Research output: Contribution to journal › Article › Scientific › peer-review

67 Citations (Scopus)

Abstract

Adsorption of carbon dioxide (CO₂) was investigated on triamine-grafted, pore-expanded MCM-41 mesoporous silica (TRI-PE-MCM-41). Measurements of adsorption capacity using mass spectrometry showed an enhanced CO₂ adsorption capacity in humid streams compared to dry CO ₂. This was corroborated with breakthrough experiments, which also showed that TRI-PE-MCM-41 offered a practically infinite selectivity towards CO₂ over nitrogen. Cyclic measurements of pure CO₂ and CO₂:N₂ = 10:90 mixture using different regeneration modes showed that amine-grafted PE-MCM-41 is particularly suitable for CO₂ removal using temperature swing adsorption (TSA) at adsorption temperatures higher than ambient, while temperature-vacuum swing adsorption (TVSA) may be attractive at ambient temperature.

Original language	English
Pages (from-to)	567-575
Number of pages	9
Journal	Adsorption : Journal of The International Adsorption Society
Volume	16
Issue number	6
DOIs	https://doi.org/10.1007/s10450-010-9253-y
Publication status	Published - Dec 2010
MoE publication type	A1 Journal article-refereed

Keywords

Adsorbent regeneration
Adsorption capacity
Adsorption selectivity
CO capture
TSA
TVSA

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10.1007/s10450-010-9253-y

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title = "Triamine-grafted pore-expanded mesoporous silica for CO2 capture: Effect of moisture and adsorbent regeneration strategies",

abstract = "Adsorption of carbon dioxide (CO2) was investigated on triamine-grafted, pore-expanded MCM-41 mesoporous silica (TRI-PE-MCM-41). Measurements of adsorption capacity using mass spectrometry showed an enhanced CO2 adsorption capacity in humid streams compared to dry CO 2. This was corroborated with breakthrough experiments, which also showed that TRI-PE-MCM-41 offered a practically infinite selectivity towards CO2 over nitrogen. Cyclic measurements of pure CO2 and CO2:N2 = 10:90 mixture using different regeneration modes showed that amine-grafted PE-MCM-41 is particularly suitable for CO2 removal using temperature swing adsorption (TSA) at adsorption temperatures higher than ambient, while temperature-vacuum swing adsorption (TVSA) may be attractive at ambient temperature.",

keywords = "Adsorbent regeneration, Adsorption capacity, Adsorption selectivity, CO capture, TSA, TVSA",

author = "Rodrigo Serna-Guerrero and Youssef Belmabkhout and Abdelhamid Sayari",

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Triamine-grafted pore-expanded mesoporous silica for CO2 capture: Effect of moisture and adsorbent regeneration strategies. / Serna-Guerrero, Rodrigo; Belmabkhout, Youssef; Sayari, Abdelhamid.
In: Adsorption : Journal of The International Adsorption Society, Vol. 16, No. 6, 12.2010, p. 567-575.

Research output: Contribution to journal › Article › Scientific › peer-review

TY - JOUR

T1 - Triamine-grafted pore-expanded mesoporous silica for CO2 capture

T2 - Effect of moisture and adsorbent regeneration strategies

AU - Serna-Guerrero, Rodrigo

AU - Belmabkhout, Youssef

AU - Sayari, Abdelhamid

PY - 2010/12

Y1 - 2010/12

N2 - Adsorption of carbon dioxide (CO2) was investigated on triamine-grafted, pore-expanded MCM-41 mesoporous silica (TRI-PE-MCM-41). Measurements of adsorption capacity using mass spectrometry showed an enhanced CO2 adsorption capacity in humid streams compared to dry CO 2. This was corroborated with breakthrough experiments, which also showed that TRI-PE-MCM-41 offered a practically infinite selectivity towards CO2 over nitrogen. Cyclic measurements of pure CO2 and CO2:N2 = 10:90 mixture using different regeneration modes showed that amine-grafted PE-MCM-41 is particularly suitable for CO2 removal using temperature swing adsorption (TSA) at adsorption temperatures higher than ambient, while temperature-vacuum swing adsorption (TVSA) may be attractive at ambient temperature.

AB - Adsorption of carbon dioxide (CO2) was investigated on triamine-grafted, pore-expanded MCM-41 mesoporous silica (TRI-PE-MCM-41). Measurements of adsorption capacity using mass spectrometry showed an enhanced CO2 adsorption capacity in humid streams compared to dry CO 2. This was corroborated with breakthrough experiments, which also showed that TRI-PE-MCM-41 offered a practically infinite selectivity towards CO2 over nitrogen. Cyclic measurements of pure CO2 and CO2:N2 = 10:90 mixture using different regeneration modes showed that amine-grafted PE-MCM-41 is particularly suitable for CO2 removal using temperature swing adsorption (TSA) at adsorption temperatures higher than ambient, while temperature-vacuum swing adsorption (TVSA) may be attractive at ambient temperature.

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KW - Adsorption capacity

KW - Adsorption selectivity

KW - CO capture

KW - TSA

KW - TVSA

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IS - 6

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Triamine-grafted pore-expanded mesoporous silica for CO2 capture: Effect of moisture and adsorbent regeneration strategies

Abstract

Keywords

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