Chromium-free soaked active carbon and its preparation


Application Number  00128283 Application Date  2000.12.18
Publication Number  1307930 Publication Date  2001.08.15
Priority Information    
International
Classification
 B01J20/20  
Applicant(s) Name  No.63971 Troops, PLA  
Address    
Inventor(s) Name  Yin Weidong;Luan Zhiqiang;Qiao Huixian  
Patent Agency Code  11046 Patent Agent  liu yongsheng
AbstractThe present invention relates to a chromium-free impregnated active carbon, and its composition includes (wt%) Cu 2-15%, Zn 0-15%, C 11-15%, Mo 0.5-4% and Ag 0-1%. Its preparation method includes the steps: making the above-mentioned composition into impregnating liquor, impregnating active carbon with the above-mentioned impregnating liquor, fully stirring uniformly and using aid flow to make activation in fluidized bed with 140-250 deg.C. Its is mainly used for making comprehensive protection against several harmful gases containing HCN, ClCN, SO2, Cl2, NH3 and organic vapor.