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2 145 259

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IPC

(21) (22)

Application

99106623/12, 1999-03-30

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Start date

1999-03-30

(22)

Actual filing date

1999-03-30

(45)

Published

2000-02-10

(72)

Inventor

Tamam'Jan A.N.Khazanov A.A.Zimin N.A.Lejf V.Eh.Solin M.N.Vnuchkova V.A.Mukhin V.M.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

SORBENT PRODUCTION PROCESS Russian patent published in 2000 - IPC

Abstract RU 2145259 C1

FIELD: sorbents and water treatment. SUBSTANCE: sorbent for treating water, including drinking water, to remove toxic impurities is prepared by impregnating activated carbon with ammonium nitrate or ammonium carbonate solution of silver salt with silver concentration 0.10-0.50 wt % at carbon-to-solution volume ratio 1: (0.3-0.5) followed by heat treatment in fluidized-bed furnace at 120-250 C. EFFECT: increased heavy metal sorption capacity. 1 tbl, 3 ex

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RU 2 145 259 C1

Authors

Tamam'Jan A.N.

Khazanov A.A.

Zimin N.A.

Lejf V.Eh.

Solin M.N.

Vnuchkova V.A.

Mukhin V.M.

Dates

2000-02-10—Published

1999-03-30—Filed