ADSORPTION METHOD FOR REMOVING MERCAPTANS FROM GASOLINES Russian patent published in 2001 - IPC

Abstract RU 2163250 C2

FIELD: gasoline production. SUBSTANCE: adsorption purification of gasolines is carried out with activated carbon-fiber materials with applied cobalt phthalocyanine. Mercaptan-saturated adsorbent is regenerated by oxidation of mercaptans with oxygen-containing gas in presence of alkali at 50 to 80 C. The thus regenerated adsorbent is washed with hydrocarbon to remove disulfides, after which adsorbed oxygen is removed via sodium sulfite solution treatment. EFFECT: increased degree of purification of adsorbent under long operation conditions. 2 cl, 2 tbl

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RU 2 163 250 C2

Authors

Mazgarov A.M.(Ru)

Vil'Danov A.F.(Ru)

Fomin V.A.(Ru)

Komleva T.I.(Ru)

Kurtis Manson

Dennis O'Rier

Lorens Dzhossens

Dates

2001-02-20Published

1999-04-12Filed