METHOD OF PURIFICATION OF HYDROCARBONACEOUS RAW MATERIAL FROM MERCAPTANS Russian patent published in 2004 - IPC

Abstract RU 2241732 C1

FIELD: gas-production industry; petroleum and oil refining industries; purification of hydrocarbonaceous raw material from mercaptans.

SUBSTANCE: the invention is dealt with the methods of purification of hydrocarbonaceous raw material from mercaptans. The method provides for purification of hydrocarbonaceous raw material or commercial hydrocarbon fractions from mercaptans, in particular from high-boiling tertiary mercaptans and may be used in gas, petroleum and oil refining industries. The method realized by oxidation of mercaptans by oxygen-bearing gas in an alkaline medium in presence of a phthalocyanine catalyst, ethanolamine and a promoting additive in the form of copper complexes with dinatrium salt etgyldiaminetetraacetic acid (Trilon B)used in amount of 50-90 % against the weight of the catalyst. The method allows at a long duration of the promoting additive action to achieve and keep a high degree of purification of hydrocarbonaceous raw material from mercaptans.

EFFECT: the method ensures high degree of purification of hydrocarbonaceous raw material from mercaptans.

2 cl, 2 tbl, 2 ex

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RU 2 241 732 C1

Authors

Vil'Danov A.F.

Mazgarov A.M.

Fomin V.A.

Obukhovich O.A.

Ajupova N.R.

Dates

2004-12-10—Published

2003-07-01—Filed