Process for preparing chrome tanning agent

Application Number  00129392 Application Date  2000.12.08
Publication Number  1302907 Publication Date  2001.07.11
Priority Information    
Applicant(s) Name  Shandong Light Industry College  
Inventor(s) Name  Cheng Baozhen;Jiang Wenqiang;Li Yanchun  
Patent Agency Code  37200 Patent Agent  sun jun
AbstractA process for preparing chrome tanning agent uses single or mixed low carbon alcohol as reducer, bichromate, sulfuric acid and water and raw material, and includes such steps as dissolving bichromate in water, slowly adding sulfuric acid, dissolving low-carbon alcohol and slowly adding it to a reactor, boiling until reaction is complete, laying aside for aging, regulating pH value and drying to form solid. Its advantages are high stability and high tanning effect.