Green chemistry of chromate cleaner production

Research topics and methods of green chemistry in chromate production are i ntroduced in this paper. New original green chemical process of the heterog eneous reaction and separation system of liquid phase oxidation of chromite in molten salt of sodium hydroxide-one way separation in high concentratio n medium-metastable phase separation-carbonate recycle conversion has been developed. The green commercial process for comprehensive utilization of mi neral resources-reactant recycle inside the process-zero emission was estab lished.