METHOD OF RECOVERING ANTHRAQUINONE FROM REACTION GASES RESULTING FROM OXIDATION OF ANTHRACENE TO ANTHRAQUINONE Russian patent published in 1998 - IPC

Abstract RU 2111953 C1

FIELD: chemical industry. SUBSTANCE: claimed method comprises treating cooled reaction gases to 200-230 C with polymethyl siloxane liquid. EFFECT: greater degree of recovery of anthraquinone, smaller amount of off-gases and rendering anthraquinone production fire and explosion proof.

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RU 2 111 953 C1

Authors

Medvedev N.Ju.

Pronina V.L.

Chajkovskij S.P.

Il'Ina Z.P.

Dates

1998-05-27—Published

1996-01-31—Filed