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2 156 731

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Application

99127238/12, 1999-12-31

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Start date

1999-12-31

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Actual filing date

1999-12-31

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Published

2000-09-27

(72)

Inventor

Mukhin V.M.Zimin N.A.Zubova I.D.Tamam'Jan A.N.Taratun M.N.Panchenko A.F.Vojloshnikov G.I.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF PRODUCTION OF ACTIVATED CARBON Russian patent published in 2000 - IPC

Abstract RU 2156731 C1

FIELD: chemical technology, sorbents. SUBSTANCE: invention relates to adsorption technology and can be used for production of activated carbon with improved indices of mechanical strength and adsorption capacity in treatment of water from hazard substances. Proposed method of production of activated carbon involves impregnation of resin binding agent with phosphoric acid taken in the amount 2.2-6.0 wt.-% at 69-95 C followed by mixing with coal dust, mixture granulation and the following their activation. Method ensures to increase the strength of obtained carbon up to 97% and adsorption capacity (by gold cyanides) and therefore it can be used in yield of gold, silver and platinum from solutions and pulps. EFFECT: improved method of production. 2 tbl, 3 ex

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RU 2 156 731 C1

Authors

Mukhin V.M.

Zimin N.A.

Zubova I.D.

Tamam'Jan A.N.

Taratun M.N.

Panchenko A.F.

Vojloshnikov G.I.

Dates

2000-09-27—Published

1999-12-31—Filed

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