METHOD OF RECOVERING SULFOXIDES AND SULFONES FROM MIXTURE WITH HYDROCARBONS AND SULFUROUS COMPOUNDS Russian patent published in 2000 - IPC

Abstract RU 2144916 C1

FIELD: chemical industry. SUBSTANCE: described is method of recovering oxidized sulfurous compounds, more particularly sulfoxides from mixture thereof with hydrocarbons and sulfurous compounds. Described is method of recovering sulfoxides and sulfones from mixture with hydrocarbons and sulfurous compounds by treatment of mixture with extracting agent comprising water and glycol ether. Glycol ether includes propylene glycol alkyl ethers with molecular weight of 90-150, ratios of components being as follows, vol %: propylene glycol alkyl ethers 40-60; and the water balance. EFFECT: simplified process, higher efficiency thereof, and high- grade concentrate of sulfoxides having high degree of recovery. 2 cl, 6 ex, 1 tbl

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RU 2 144 916 C1

Authors

Kharlampidi Kh.Eh.

Zarifjanova M.Z.

Chirkunov Eh.V.

Miroshkin N.P.

Khismatullina G.R.

Il'Jasova G.R.

Mustafin Kh.V.

Krokhin Ju.V.

Shepelin V.A.

Safin D.Kh.

Dates

2000-01-27Published

1999-01-18Filed