Calcium Precursors for the Production of CaO Sorbents for Multicycle CO2 Capture
作者： Wenqiang Liu , Nathanael WL Low , Bo Feng , Guoxiong Wang , João C. Diniz da Costa
DOI: 10.1021/ES902426N
关键词:
摘要: A screening of potential calcium precursors for the production CaO sorbents CO2 capture at high temperature was conducted in this work. The studied include microsized carbonate (CC-CaO), hydroxide (CH-CaO), nanosized (<70 nm) (CC70 nm-CaO), (<160 oxide (CaO160 acetate hydrate (CA-CaO), l-lactate (CL-CaO), formate (CF-CaO), citrate tetrahydrate (CCi-CaO), and d-gluconate monohydrate (CG-CaO). capability these investigated using a thermogravimetric analyzer (TGA) multiple cycles. CG-CaO exhibited best capacity capturing with 1-min conversion 65.9% 30-min 83.8% ninth cycle. Subsequently, further parametric study to examine effect reaction conditions such as (550−750 °C) gas concentration (1−15%) on CG-CaO. sorbent CG-C...
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