Adsorptive removal of carbon dioxide using polyethyleneimine loaded glass fiber in a fixed bed

Wenqing Wang; Qingxuan Zeng; Mingyu Li; Weihua Zheng; David Christianson; James Economy

doi:10.1016/j.colsurfa.2015.05.001

Adsorptive removal of carbon dioxide using polyethyleneimine loaded glass fiber in a fixed bed

Wenqing Wang, Qingxuan Zeng^*, Mingyu Li, Weihua Zheng, David Christianson, James Economy

^*Corresponding author for this work

School of Mechatronical Engineering

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

14 Citations (Scopus)

Abstract

Low-cost glass fiber (GF) was modified by loading polyethyleneimine (PEI) using a physical impregnation method and applied as an adsorbent for CO₂ capture. The structure and morphology of the PEI-loaded GF were characterized by thermogravimetic analyzer (TGA), fourier transform infrared spectroscopy (FTIR) and scanning electron microscope (SEM). The PEI-loaded GF possessed a core-shell structure. The CO₂ dynamic adsorption-desorption performances were investigated in a PEI-loaded GF fixed bed. The effects of PEI loading ratio, adsorption temperature, relative humidity (RH), flow rate and bed depth (H/D) ratio were examined, and the maximal dynamic CO₂ adsorption capacity was 60.04mgg^-1 with a PEI/GF ratio of 0.70gg^-1. In addition, the PEI-loaded GF was regenerated with only a slight decrease in the adsorption capacity after multiple regenerations using an optimum regeneration temperature of 100°C. The results suggest that the PEI-loaded GF can be used as an economical adsorbent system for CO₂ capture.

Original language	English
Pages (from-to)	117-124
Number of pages	8
Journal	Colloids and Surfaces A: Physicochemical and Engineering Aspects
Volume	481
DOIs	https://doi.org/10.1016/j.colsurfa.2015.05.001
Publication status	Published - 1 Sept 2015

Keywords

CO capture
Dynamic adsorption
Glass fiber
Polyethyleneimine

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10.1016/j.colsurfa.2015.05.001

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title = "Adsorptive removal of carbon dioxide using polyethyleneimine loaded glass fiber in a fixed bed",

abstract = "Low-cost glass fiber (GF) was modified by loading polyethyleneimine (PEI) using a physical impregnation method and applied as an adsorbent for CO2 capture. The structure and morphology of the PEI-loaded GF were characterized by thermogravimetic analyzer (TGA), fourier transform infrared spectroscopy (FTIR) and scanning electron microscope (SEM). The PEI-loaded GF possessed a core-shell structure. The CO2 dynamic adsorption-desorption performances were investigated in a PEI-loaded GF fixed bed. The effects of PEI loading ratio, adsorption temperature, relative humidity (RH), flow rate and bed depth (H/D) ratio were examined, and the maximal dynamic CO2 adsorption capacity was 60.04mgg-1 with a PEI/GF ratio of 0.70gg-1. In addition, the PEI-loaded GF was regenerated with only a slight decrease in the adsorption capacity after multiple regenerations using an optimum regeneration temperature of 100°C. The results suggest that the PEI-loaded GF can be used as an economical adsorbent system for CO2 capture.",

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AU - Wang, Wenqing

AU - Zeng, Qingxuan

AU - Li, Mingyu

AU - Zheng, Weihua

AU - Christianson, David

AU - Economy, James

PY - 2015/9/1

Y1 - 2015/9/1

N2 - Low-cost glass fiber (GF) was modified by loading polyethyleneimine (PEI) using a physical impregnation method and applied as an adsorbent for CO2 capture. The structure and morphology of the PEI-loaded GF were characterized by thermogravimetic analyzer (TGA), fourier transform infrared spectroscopy (FTIR) and scanning electron microscope (SEM). The PEI-loaded GF possessed a core-shell structure. The CO2 dynamic adsorption-desorption performances were investigated in a PEI-loaded GF fixed bed. The effects of PEI loading ratio, adsorption temperature, relative humidity (RH), flow rate and bed depth (H/D) ratio were examined, and the maximal dynamic CO2 adsorption capacity was 60.04mgg-1 with a PEI/GF ratio of 0.70gg-1. In addition, the PEI-loaded GF was regenerated with only a slight decrease in the adsorption capacity after multiple regenerations using an optimum regeneration temperature of 100°C. The results suggest that the PEI-loaded GF can be used as an economical adsorbent system for CO2 capture.

AB - Low-cost glass fiber (GF) was modified by loading polyethyleneimine (PEI) using a physical impregnation method and applied as an adsorbent for CO2 capture. The structure and morphology of the PEI-loaded GF were characterized by thermogravimetic analyzer (TGA), fourier transform infrared spectroscopy (FTIR) and scanning electron microscope (SEM). The PEI-loaded GF possessed a core-shell structure. The CO2 dynamic adsorption-desorption performances were investigated in a PEI-loaded GF fixed bed. The effects of PEI loading ratio, adsorption temperature, relative humidity (RH), flow rate and bed depth (H/D) ratio were examined, and the maximal dynamic CO2 adsorption capacity was 60.04mgg-1 with a PEI/GF ratio of 0.70gg-1. In addition, the PEI-loaded GF was regenerated with only a slight decrease in the adsorption capacity after multiple regenerations using an optimum regeneration temperature of 100°C. The results suggest that the PEI-loaded GF can be used as an economical adsorbent system for CO2 capture.

KW - CO capture

KW - Dynamic adsorption

KW - Glass fiber

KW - Polyethyleneimine

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Adsorptive removal of carbon dioxide using polyethyleneimine loaded glass fiber in a fixed bed

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Keywords

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