PROCESS FOR PREPARING ANHYDROUS CALCIUM PEROXIDE Russian patent published in 1996 - IPC

FIELD: bleaching and disinfecting agents. SUBSTANCE: 10% NaOH solution and 30% $$$ solution, are poured to $$$ solution, NaOH solution may further comprise 6.0-10 wt% NaCl. pH of the reaction mixture is 10-12. The precipitate is filtered, washed with water and dried at 125 C to give calcium peroxide containing 81-87.8 wt%, $$$ yield is 76-90 wt%. EFFECT: more efficient preparation process. 2 cl, 2 tbl