Naphthenic acid and fuel oil producing process by using acid sludge as material


Application Number: 00110547
Application Date: 2000.06.19
Publication Number: 1277182
Publication Date: 2000.12.20
Priority Information:
International: C07C57/00;C10L1/00
Applicant(s) Name: Hu Yue
Address:
Inventor(s) Name: Hu Yue;Yuan Sai;Hu Lingna
Patent Agency Code: 21207
Patent Agent: li yutong
Abstract Acid sludge is first mixed with alkali solution to depolymerize and dewater and then mixed with ethyl ether or petroleum ether to deoil; the mother liquor is mixed with alcohol to dissolve and settle, and the precipitate is separated by added urea, hydrolyzed and solvent extracted to obtain fatty acid; the rest mother liquor is acidified, water washed and distilled to obtain naphthenic acid; and the deoiled oil is mixed with hydrocarbon and emulsifier to obtain fuel oil. The present invention can change waste material into the useful material.