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2 667 192

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C1

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IPC

C22B11/00(2006-01-01)

C22B3/08(2006-01-01)

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Application

2017134836, 2017-10-04

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Start date

2017-10-04

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Actual filing date

2017-10-04

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Published

2018-09-17

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Inventor

Naftal Mikhail NaftolevichNabojnenko Stanislav StepanovichMedzhibovskij Aleksandr SamojlovichDementev Aleksandr VladimirovichBliev Enver AleksandrovichMedzhibovskaya Natalya VadimovnaNaftal Svetlana SvyatoslavovnaKalugina Vera Vladimirovna

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennostyu Predpriyatie Kvalitet" Ooo Kvalitet"

METHOD FOR PROCESSING SULPHIDE POLYMETALLIC MATERIALS CONTAINING PLATINUM METALS (VARIANTS) Russian patent published in 2018 - IPC C22B11/00 C22B3/08 

Abstract RU 2667192 C1

FIELD: technological processes.

SUBSTANCE: invention relates to the processing of sulphide polymetallic materials containing platinum metals, including autoclave oxidative leaching. In leaching, a surfactant is used, from a group of polysaccharides including dextrin, starch, carboxymethylcellulose, or lignosulfonates, technical powder, or sulphite-cellulose liquor, or concentrate of sulfite-yeast mash in the amount of 6–13.5 kg per 1 ton of sulfide polymetallic material at a redox potential of oxidized pulp (+385)–(+430) mV. Also in leaching, a combined surfactant is used, containing a mixture of compounds from the group of polysaccharides with detergent-dispersant sulfonate additives at the ratio of surfactants and additives of 500:1 in the amount of a mixture from 4.008 to 10.2 kg per 1 ton of processed material, with the oxidized pulp redox potential (+475)–(+495) mV.

EFFECT: technical result is the optimal depth of decomposition of the minerals-carriers of platinum metals, their maximum extraction into particles of a sulfur-sulphide concentrate of fineness (-150+10 mcm), the best conditions for the formation of the sulfur sulfide phase of granulometric composition and structure.

2 cl, 2 tbl

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RU 2 667 192 C1

Authors

Naftal Mikhail Naftolevich

Nabojnenko Stanislav Stepanovich

Medzhibovskij Aleksandr Samojlovich

Dementev Aleksandr Vladimirovich

Bliev Enver Aleksandrovich

Medzhibovskaya Natalya Vadimovna

Naftal Svetlana Svyatoslavovna

Kalugina Vera Vladimirovna

Dates

2018-09-17—Published

2017-10-04—Filed

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