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2 190 457

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IPC

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Application

2001117580/12, 2001-06-22

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Start date

2001-06-22

(22)

Actual filing date

2001-06-22

(45)

Published

2002-10-10

(72)

Inventor

Zubitskij B.D.D'Jakov S.N.Chimarov V.A.Nazarov V.G.Ehkgauz V.I.Patrikeev V.S.

(73)

Holder

Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Uglekhimicheskij Institut"Oao

METHOD OF CLEANING COKE-OVEN GAS Russian patent published in 2002 - IPC

Abstract RU 2190457 C1

FIELD: cleaning coke- oven gas from ammonia (NH₃)%; by-product coke industry. SUBSTANCE: proposed method includes scrubbing of gas by ammonia phosphate solution in absorber equipped with plates and treatment of coke-oven gas before admitting it to plate portion of absorber with ammonia phosphate solution circulating through lower portion of absorber at maintenance of specific flow rate of circulating solution of 1.0-1.2 l/cu.m, density of solution is 1.195-1.210 kg/l and mole ratio of ammonia to phosphoric acid in solution escaping from plate portion of absorber is 1.50-1.55. EFFECT: enhanced efficiency of method. 2 cl, 1 dwg, 1 ex

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RU 2 190 457 C1

Authors

Zubitskij B.D.

D'Jakov S.N.

Chimarov V.A.

Nazarov V.G.

Ehkgauz V.I.

Patrikeev V.S.

Dates

2002-10-10—Published

2001-06-22—Filed