CUMENE OXIDATION EMISSION GAS PURIFICATION PROCESS Russian patent published in 2007 - IPC B01D53/14 C07C15/85 

Abstract RU 2300412 C2

FIELD: industrial organic synthesis and gas treatment.

SUBSTANCE: invention is directed to treatment of emission gases in the cumene process-mediated phenol and acetone production. Treatment process comprises continuous-mode absorption of cumene from emission gases in a plant comprised of absorber, cooler, and pump. Cumene is removed from absorbent and reused in the phenol-acetone production process circuit. As absorbent, cumene production by-product, namely polyalkylbenzenes, is used at temperature below 10°C. Content of cumene in purified emission gases does not exceed 158 mg/m3.

EFFECT: simplified gas treatment procedure, eliminated complicated equipment and waste, and reduced cost.

1 dwg, 1 tbl, 17 ex

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RU 2 300 412 C2

Authors

Afonin Anatolij Viktorovich

Ramazanov Kenzhe Ramazanovich

Khanin Anatolij Vladimirovich

Dates

2007-06-10Published

2005-08-30Filed