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2 208 579

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IPC

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Application

2002105568/12, 2002-03-01

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Start date

2002-03-01

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Actual filing date

2002-03-01

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Published

2003-07-20

(72)

Inventor

Mukhin V.M.Zimin N.A.Labun' A.N.Tatarinov S.M.Zubova I.N.Lejf V.Eh.Taratun M.N.Panchenko A.F.Vojloshnikov G.I.Khazanov A.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

ACTIVATED CARBON MANUFACTURE PROCESS Russian patent published in 2003 - IPC

Abstract RU 2208579 C1

FIELD: carbon materials. SUBSTANCE: invention relates to manufacture of activated carbons useful in freeing water of harmful impurities and recovering precious metals (gold, silver, platinum) from solutions and pulps. Process comprises mixing, at 60-80 C, pulverized coal with phosphoric acid- containing binder at volume ratio 1:(0.22-2.35), granulation of mixture, carbonization of granules, isothermal ageing thereof at 750-850 C during 1.5-3.0 h, and steam activation until summary pore volume 0.82-0.90 cu.cm/g is reached. EFFECT: improved kinetic properties without loss in mechanical strength. 2 tbl, 3 ex

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RU 2 208 579 C1

Authors

Mukhin V.M.

Zimin N.A.

Labun' A.N.

Tatarinov S.M.

Zubova I.N.

Lejf V.Eh.

Taratun M.N.

Panchenko A.F.

Vojloshnikov G.I.

Khazanov A.A.

Dates

2003-07-20—Published

2002-03-01—Filed