专利名称：Method of treating manganese ores with
sulphur dioxide
发明人：Driemel, Klaus, Dipl.-Ing.,Rohe, Dieter, Dr.
Dipl.-Chem.,Lowicki, Norbert, Dr. Dipl.-Chem.
申请号：EP83103038申请日：19830326公开号：EP0090390A3公开日：19870616
摘要：1. A process for developing manganese dioxide ores by treating same with puresulphur dioxide and air an aqueous suspension, characterized in that the sulphur dioxide issupplied and the air supply is controlled so that a partial pressure ratio of pSO2 : pO2 offrom 4 to 14 and a pH value higher than 4 are maintained.
申请人：Grillo-Werke AG
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