Tag Archives: acetonitrile

Method for removing micro hydrocyanic acid in the course of refining high-purity acetonitrile

Application Number: 00116533Application Date: 2000.06.15Publication Number: 1328993Publication Date: 2002.01.02Priority Information: International: C01C3/02;C07C253/34;C07C255/03Applicant(s) Name: China Petro-Chemical Corp.Address: Inventor(s) Name: Fang Yongcheng;Xiong Jin;Dai DebinPatent Agency Code: 31102Patent Agent: zhang huimengAbstract The present invention is characterized by that in the traditional combined technological process including removing hydrocyanic acid in reaction tower, chemical treatment, reduced pressure and pressure azeotropic… Read More »

High-purity acetonitrile refining method

Application Number: 00116536Application Date: 2000.06.15Publication Number: 1328994Publication Date: 2002.01.02Priority Information: International: C07C253/34;C07C255/03Applicant(s) Name: China Petro-Chemical Corp.Address: Inventor(s) Name: Fang Yongcheng;Xiong Jin;Gu JunminPatent Agency Code: 31102Patent Agent: zhang huimengAbstract The present invention relates to a refining method for obtaining hihg-purity acetonitrile, and is mainly aimed at solving the problems of high oxazole content in acetonitrile product,… Read More »