PROCESS FOR PREPARING SIMULTANEOUSLY PHENOL, ACETONE AND ALFA-METHYLSTYRENE Russian patent published in 1996 - IPC

FIELD: simultaneous preparation of phenol and acetone by decomposition of cumene hydroperoxide. SUBSTANCE: preparation of phenol, scetone and alpha-methylstyrene is carried by acid decomposition of isopropyl benzene peroxide in two steps: at 60-70 C at first step and 80-100 C at second step in reaction mixture, and isopropyl benzene is added thereto in amount of 18-25 wt%. Decomposed reaction mixture is subjected to washing from catalyst with water in amount of 13-20 % vol%. EFFECT: more efficient preparation process. 5 tbl