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Carbon Dioxide and Nitrogen Adsorption on Cation-Exchanged SSZ-13 Zeolites.
MedLine Citation:
PMID:  23249267     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Samples of high-silica SSZ-13, ion exchanged with protons and alkali-metal cations Li+, Na+, and K+ were investigated using adsorption isotherms of CO2 and N2. The results show that Li-, Na-SSZ-13 have excellent CO2 capacity at ambient temperature and pressure; in general, Li-SSZ-13 shows the highest capacity for N2, CO2 particularly in the low-pressure region. The effect of cation type and Si/Al ratio (6 and 12) on the adsorption properties was investigated through analysis of adsorption isotherm and heats of adsorption. The separation of CO2 in a flue gas mixture was evaluated for these adsorbents in the Pressure Swing Adsorption and Vacuum Pressure Adsorption processes.
Authors:
Trong Pham; Raul F Lobo; Qingling Liu
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-18
Journal Detail:
Title:  Langmuir : the ACS journal of surfaces and colloids     Volume:  -     ISSN:  1520-5827     ISO Abbreviation:  Langmuir     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882736     Medline TA:  Langmuir     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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