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2 802 917

(13)

(51)

IPC

C22B7/00(2006-01-01)

B01J23/92(2006-01-01)

C22B34/34(2006-01-01)

C22B23/06(2006-01-01)

C22B1/16(2006-01-01)

C22B3/04(2006-01-01)

B09B3/40(2022-01-01)

B09B101/95(2022-01-01)

(21) (22)

Application

2023105753, 2023-03-13

(24)

Start date

2023-03-13

(22)

Actual filing date

2023-03-13

(45)

Published

2023-09-05

(72)

Inventor

Kuzin Evgenii NikolaevichKonkova Tatiana Vladimirovna

(73)

Holder

Federalnoe Gosudarstvennoe Biudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniia Khimiko-Tekhnologicheskii Universitet Imeni D.I. Mendeleeva" Im. D.I. Mendeleeva)

METHOD FOR PROCESSING SPENT MOLYBDENUM-COBALT-ALUMINUM CONTAINING CATALYST Russian patent published in 2023 - IPC C22B7/00 B01J23/92 C22B34/34 C22B23/06 C22B1/16 C22B3/04 B09B3/40 B09B101/95

Abstract RU 2802917 C1

FIELD: hydrometallurgy.

SUBSTANCE: invention can be used in complex processing of spent catalysts. The spent molybdenum-cobalt-aluminium-containing catalyst is washed with water at a ratio of 1:5, then blown with water vapor at a temperature of 100–130°C. The resulting residue is sintered with ammonium chloride at a temperature of 280–300°C and leached with water.

EFFECT: simplified instrumentation of processing molybdenum-cobalt-containing catalysts and increased efficiency of processing.

1 cl, 3 ex

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RU 2 802 917 C1

Authors

Kuzin Evgenii Nikolaevich

Konkova Tatiana Vladimirovna

Dates

2023-09-05—Published

2023-03-13—Filed