PROCESS OF REMOVING MERCAPTANS AND HYDROGEN SULFIDE FROM CRUDE OIL, GAS CONDENSATE, AND THEIR FRACTIONS
FIELD: petroleum processing and petrochemistry. ^ SUBSTANCE: process is carried out at 10-40 using for treatment of raw material a reagent, in particular dioxazines having general formula: ^ , wherein R represents alkyl, dialakyl, hydroxyalkyl, alkylaryl and n -1 or 2, or mixtures thereof, said reag...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | FIELD: petroleum processing and petrochemistry. ^ SUBSTANCE: process is carried out at 10-40 using for treatment of raw material a reagent, in particular dioxazines having general formula: ^ , wherein R represents alkyl, dialakyl, hydroxyalkyl, alkylaryl and n -1 or 2, or mixtures thereof, said reagent being preliminarily substituted by tertiary amines N(R')3, wherein R' is alkyl, aryl, or hydroxyalkyl, used in amount 0.01-0.05 wt %. Reagent is used at molar ratio to sulfur of mercaptans and hydrogen sulfide equal to (0.25-0.05):1. ^ EFFECT: increased degree of purification and reduced consumption of reagent. ^ 3 cl, 1 tbl, 14 ex |
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