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2 138 324

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Application

98111313/12, 1998-06-10

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Start date

1998-06-10

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Actual filing date

1998-06-10

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Published

1999-09-27

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Inventor

Blokhin A.I.Omel'Chenko Ju.M.Sarkisjan A.T.Nikitin A.N.Ovchinnikova N.S.Mit'Kin V.N.

(73)

Holder

Nauchno-Tekhnicheskij Tsentr Assotsiatsii

METHOD OF REMOVING SO AND NO FROM EMISSION GASES Russian patent published in 1999 - IPC

Abstract RU 2138324 C1

FIELD: gas treatment. SUBSTANCE: emission gases (e.g. power station ones) preheated by heat of treated gases and heat provided by combustion of pyrolysis gases come into contact with coke prepared by coal pyrolysis. Contact is conducted at 750-850 C for 0.02-0.45 s to give activated coke, sulfur vapors and nitrogen formed by reduction of SO2 and NOx, respectively. Treated gases are fed as heat carrier into coal pyrolysis zone and, after preheating emission gases, are cooled with separation of condensed sulfur. EFFECT: enhanced single-step treatment efficiency. 1 dwg

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RU 2 138 324 C1

Authors

Blokhin A.I.

Omel'Chenko Ju.M.

Sarkisjan A.T.

Nikitin A.N.

Ovchinnikova N.S.

Mit'Kin V.N.

Dates

1999-09-27—Published

1998-06-10—Filed

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