RU96116413A - METHOD FOR UNDERGROUND LEACHING OF Manganese Ores - Google Patents

METHOD FOR UNDERGROUND LEACHING OF Manganese Ores

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Publication number
RU96116413A
RU96116413A RU96116413/02A RU96116413A RU96116413A RU 96116413 A RU96116413 A RU 96116413A RU 96116413/02 A RU96116413/02 A RU 96116413/02A RU 96116413 A RU96116413 A RU 96116413A RU 96116413 A RU96116413 A RU 96116413A
Authority
RU
Russia
Prior art keywords
manganese
precipitation
concentrate
oxide
sulfur
Prior art date
Application number
RU96116413/02A
Other languages
Russian (ru)
Other versions
RU2095454C1 (en
Inventor
Б.П. Жагин
Original Assignee
Акционерное общество открытого типа "Дирекция МИРП"
Filing date
Publication date
Application filed by Акционерное общество открытого типа "Дирекция МИРП" filed Critical Акционерное общество открытого типа "Дирекция МИРП"
Priority to RU96116413A priority Critical patent/RU2095454C1/en
Priority claimed from RU96116413A external-priority patent/RU2095454C1/en
Application granted granted Critical
Publication of RU2095454C1 publication Critical patent/RU2095454C1/en
Publication of RU96116413A publication Critical patent/RU96116413A/en

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Claims (1)

Способ извлечения марганца из руд, преимущественно оксидно-карбонатных, включающий подземное выщелачивание с использованием сернистой кислоты, переработку продуктивного раствора путем осаждения марганцевого концентрата с использованием оборотного раствора после отделения марганцевого концентрата, отличающийся тем, что процесс ведут в две стадии: на первой - раствором сернистой кислоты с последующим осаждением марганцевого концентрата оксидом магния, на второй - газожидкостной смесью воздуха и оборотного раствора, насыщенного сернистым ангидридом, с последующим осаждением марганцевого концентрата оксидом магния, а маточный раствор после осаждения упаривают, обезвоженный сульфат магния подвергают термическому разложению, а полученные оксид магния и сернистый ангидрид возвращают в технологический цикл.The method of extraction of manganese from ores, mainly oxide-carbonate, including underground leaching using sulfuric acid, processing of the productive solution by precipitation of manganese concentrate using a circulating solution after separation of manganese concentrate, characterized in that the process is carried out in two stages: in the first - sulfur solution acid followed by precipitation of manganese concentrate with magnesium oxide, on the second - a gas-liquid mixture of air and circulating solution saturated with sulfur stym anhydride, followed by precipitation of manganese oxide, magnesium concentrate and mother liquor is evaporated after precipitation, dehydrated magnesium sulfate is subjected to thermal decomposition, and the resulting magnesium oxide and sulfur dioxide is recycled to the process cycle.
RU96116413A 1996-08-26 1996-08-26 Method for recovery of manganese from ores RU2095454C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU96116413A RU2095454C1 (en) 1996-08-26 1996-08-26 Method for recovery of manganese from ores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU96116413A RU2095454C1 (en) 1996-08-26 1996-08-26 Method for recovery of manganese from ores

Publications (2)

Publication Number Publication Date
RU2095454C1 RU2095454C1 (en) 1997-11-10
RU96116413A true RU96116413A (en) 1997-11-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU96116413A RU2095454C1 (en) 1996-08-26 1996-08-26 Method for recovery of manganese from ores

Country Status (1)

Country Link
RU (1) RU2095454C1 (en)

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