The invention relates to a process of producing alkali metal chlorate in an electrolytic cell comprising an anode and a cathode, wherein at least one chromium compound having a valence lower than +6 is added to the process, wherein said at least one chromium compound is oxidized to hexavalent chromium within said process, wherein substantially no hexavalent chromium is added to the process from an external source. The invention also relates to the use of an aqueous solution of chromium compounds as an additive to a chlorate process.
申请公布号
WO2012084765(A1)
申请公布日期
2012.06.28
申请号
WO2011EP73167
申请日期
2011.12.19
申请人
AKZO NOBEL CHEMICALS INTERNATIONAL B.V.;HEDENSTEDT, KRISTOFFER;EDVINSSON ALBERS, ROLF