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2 156 661

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IPC

(21) (22)

Application

97108810/03, 1997-05-27

(24)

Start date

1997-05-27

(22)

Actual filing date

1997-05-27

(45)

Published

2000-09-27

(72)

Inventor

Zajtsev G.V.(Ru)

(73)

Holder

Artamonov Vladimir AleksandrovichButjaev Grigorij AleksandrovichButjaeva Tat'Jana Vasil'EvnaVorob'Ev Vladimir Vasil'EvichKozin Aleksandr Jur'EvichKrylach Vasilij MakarovichKushka Vladislav NikolaevichLisitsa Vasilij IvanovichSvitov Vjacheslav SemenovichShevchenko Nikolaj Nikolaevich

METHOD OF DRY CONCENTRATION OF LOW MAGNETIC MINERAL Russian patent published in 2000 - IPC

Abstract RU 2156661 C2

FIELD: mining industry. SUBSTANCE: method of concentrating iron, manganese, siderite, chromium, and other minerals includes multistage crushing of original mineral, fine breakage of material by centrifugal impact technique, separation of fine material in air classifier with ascending air flow, returning coarse fraction of material for fine post-breakage, high- gradient dry magnetic separation of desired-size material to isolate concentrate and refuse. EFFECT: enhanced process efficiency and improved quality of concentrate. 3 cl

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RU 2 156 661 C2

Authors

Zajtsev G.V.(Ru)

Dates

2000-09-27—Published

1997-05-27—Filed