CO2 capture by modified clinoptilolite and its regeneration performance
International Journal of Coal Science & Technology(2024)
摘要
This study focuses on CO2 capture by pressure swing adsorption (PSA), with modified clinoptilolite as the adsorbent. Natural clinoptilolite is modified by roasting, by acid pickling, by a combination of acid pickling and roasting, and by ion exchange. Modification by acid pickling–roasting and by ion exchange are found to give the highest CO2 adsorption capacities, of 730 mL/g and 876.7 mL/g, respectively. It is found that regeneration of clinoptilolite by a combination of vacuum desorption and heating enables recovery of as much as 89
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关键词
Clinoptilolite,Carbon dioxide capture,Pressure swing adsorption (PSA)
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