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International Journal of Environment Science and Technology
Center for Environment and Energy Research and Studies (CEERS)
ISSN: 1735-1472 EISSN: 1735-1472
Vol. 13, No. 7, 2016, pp. 1839-1860
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Bioline Code: st16172
Full paper language: English
Document type: Review Article
Document available free of charge
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International Journal of Environment Science and Technology, Vol. 13, No. 7, 2016, pp. 1839-1860
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Feasibility of CO2 adsorption by solid adsorbents: a review on low-temperature systems
Younas, M.; Sohail, M.; Leong, L. K.; Bashir, M. JK & Sumathi, S.
Abstract
In the last few decades of industrialization, the
concentration of CO2 in the atmosphere had increased
rapidly. Different organizations have invested considerable
funds in research activities worldwide for CO2 capture and
storage. To date, significant work has been done and various
technologies have been proposed for CO2 capture and
storage. Both adsorption and absorption are promising
techniques for CO2 capture, but low-temperature adsorption
processes using solid adsorbents are the prevailing
technique nowadays. In this review paper, a variety of
adsorbents such as carbonaceous materials, dry alkali
metal-based sorbents, zeolites, metal–organic frameworks
(MOFs) and microporous organic polymers (MOPs) have
been studied. Various methods of chemical or physical
modification and the effects of supporting materials have
been discussed to enhance CO2 capture capacity of these
adsorbents. Low-temperature (<100 °C) adsorption processes
for CO2 capture are critically analyzed and concluded
on the basis of information available so far in the
literature. All the information in CO2 adsorption using
different routes has been discussed, summarized and thoroughly
presented in this review article. The most important
comparative study of relatively new material MOFs and
MOPs is carried out between the groups and with other
sorbent as well.
Keywords
CO2; CO2 adsorption technologies; Adsorption; Adsorbent; Low-temperature adsorption
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