Abstract:
:In this study, the absorption of carbon dioxide using an absorbent composed of 2-amino-2-methyl-L-propanol (AMP) + monoethanolamine (MEA) + piperazine (PZ) in asymmetric and symmetric polytetrafluoroethylene (PTFE) membrane contactors was investigated. Experiments were conducted using various gas flow rates, liquid flow rates, and absorbent blends. CO(2) recovery increased with increasing liquid flow rates. The mean pore size of PTFE membrane reduced via heating treatment. An asymmetric membrane had a better CO(2) recovery than a symmetric membrane. For the asymmetric membrane, placing the smaller pore-size side of the membrane in contact with the liquid phase, reduced the level of wetting of the membrane. The membrane mass transfer coefficient and durability of the PTFE membrane were enhanced by asymmetrically heating.
journal_name
J Environ Managejournal_title
Journal of environmental managementauthors
Chen SC,Lin SH,Chien RD,Wang YH,Hsiao HCdoi
10.1016/j.jenvman.2010.08.014subject
Has Abstractpub_date
2011-04-01 00:00:00pages
1083-90issue
4eissn
0301-4797issn
1095-8630pii
S0301-4797(10)00262-8journal_volume
92pub_type
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journal_title:Journal of environmental management
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