TREATMENT OF MANGANIFEROUS MATERIALS Russian patent published in 2015 - IPC C22B47/00 C22B3/06 C01G45/02

Abstract RU 2563391 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a method of treating manganiferous materials, such as underwater manganese nodules, by leaching with aqueous HNO₃ and NO gas. Valuable components, particularly manganese, cobalt, nickel, iron and copper, are extracted. When leaching manganiferous material, titanium, vanadium, cerium, molybdenum and other metals are released and converted to forms suitable for subsequent extraction.

EFFECT: extraction of valuable metals from underwater manganiferous materials, including deep-water nodules and obtaining nitrate fertilisers.

23 cl, 2 dwg

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RU 2 563 391 C1

Authors

Drinkard, Uill'Jam F.

Verner, Khans Dzh.

Nikson, Uill'Jam M.

Dates

2015-09-20—Published

2013-01-30—Filed