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Application

96124324/02, 1996-12-26

(22)

Actual filing date

1996-12-26

(45)

Published

1998-06-20

(72)

Inventor

Palant A.A.Brjukvin V.A.Jagudin G.I.Levin A.M.Vlasov Ju.P.Gur'Ev V.V.Tertichnyj A.I.

(73)

Holder

Aktsionernoe Obshchestvo Proizvodstvennoe Ob"Edinenie Po Vypusku Almaznogo Instrumenta"

METHOD OF REMOVING METALS FROM CARBON-CONTAINING MIXTURE ORIGINATED FROM INDUSTRIAL DIAMOND SYNTHESIS Russian patent published in 1998 - IPC

Abstract RU 2113517 C1

FIELD: nonferrous metal hydrometallurgy. SUBSTANCE: removal of metals (manganese, nickel, and others) from carbon-containing mixture includes their 5 N sulfuric acid-mediated autoclave leaching conducted at 150-160 C at solids to liquid ratio 1:7. In two-step autoclave processing, total metal recovery into solution exceeds 99% and summary metal content in cake is below 0.5%. Further processing yielding commercial diamond produce is based on known gravity concentration (removing graphite constituent) and chromic acid-assisted finishing procedures. EFFECT: improved environmental condition, increased productivity, and minimized expenses on reagents in the conversion process. 2 tbl

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RU 2 113 517 C1

Authors

Palant A.A.

Brjukvin V.A.

Jagudin G.I.

Levin A.M.

Vlasov Ju.P.

Gur'Ev V.V.

Tertichnyj A.I.

Dates

1998-06-20—Published

1996-12-26—Filed

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