High active calcium-base CO2 absorbent and its preparing method
Title:
High active calcium-base CO2 absorbent and its preparing method
Application Number:
200510011232
Application Date:
2005/01/21
Announcement Date:
2005/10/05
Pub. Date:
2007/05/23
Publication Number:
1676210
Announcement Number:
1317065
Grant Date:
2007-5-23
Granted Pub. Date:
2007-5-23
ApplicationType:
Invention
State/Country:
11[China|beijing]
IPC:
B01J 20/04, B01D 53/04, B01D 53/62, B01D 53/81
Applicant(s):
Tsinghua Univ.
Inventor(s):
Cai Ningsheng, Li Zhenshan, Huang Yuyu
Key Words:
High active, calcium-base, CO2 absorbent, preparing method
Abstract:
The present invention relates to a high-activity calcium base CO2 obsorbent and its preparation method. The described method uses alcohols, distilled water, aluminium salt and calcium oxide as raw material, and includes the following steps: calcining for 1-4 hr. at 800-1000 deg.C, adding alcohols and distilled water, calcining dried sample for 3 hr, at 500-700 deg.C, grinding, more adding distilled water, drying, calcining dried sample for 1-3 hr, at 700-1000 deg.C, fine grinding so as to obtain the invented high-activity calcium base CO2 absorbent.
Claim:
Priority:
PCT:
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