Imines supported on silica as CO2 capture selective adsorbents

被引：3

作者：

Quinones, Carlos Alberto Augusto Sanchez ^{[1
]}

Mate, Vicente Ismael Agueda ^{[1
]}

Dobladez, Jose Antonio Delgado ^{[1
]}

Alvarez-Torrellas, Silvia ^{[1
]}

Larriba, Marcos ^{[1
]}

Martin-Martinez, Maria ^{[1
]}

机构：

[1] Univ Complutense Madrid, Chem Engn & Mat Dept, Catalysis & Separat Proc Grp CyPS, Madrid, Spain

来源：

CHEMICAL ENGINEERING RESEARCH & DESIGN | 2023年 / 194卷

关键词：

Adsorption; CCS; Carbon Dioxide Capture; Polyethylenimine; CARBON-DIOXIDE CAPTURE; PROMISING ADSORBENT; SOLID SORBENTS; NANO-SILICA; ADSORPTION; PERFORMANCE; POLYETHYLENEIMINE; MCM-41; CH4;

D O I：

10.1016/j.cherd.2023.04.061

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

CO2 capture technologies must be developed to reduce Green House Gas emissions in order to fulfill the Paris Agreement. Adsorption is considered one of the available technologies due to the mild conditions used in the process. Selective sorbents with high CO2 adsorption capacities are needed. In this work, several types of branched poly-ethylenimines (PEI), with different average molecular weight, are used agglomerated with silica at different amounts by weight. The adsorption has been measured and the kinetic parameters are estimated from breakthrough experiments in a fixed bed. The results showed that the materials produced were selective to CO2 and can be used in adsorption processes, the sample lowest average molecular weight had the higher adsorption capacity.

引用

页码：573 / 581

页数：9

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