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Sweetening of petroleum distillates - with metal chelate catalyst impregnated on basic anion-exchange resin
Sweetening of petroleum distillates - with metal chelate catalyst impregnated on basic anion-exchange resin
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机译:石油馏出物的增甜-在碱性阴离子交换树脂上浸渍金属螯合催化剂
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摘要
Sweetening of sour petroleum distillates is carried out by contacting with an oxidising agent (pref. air) and a catalyst comprising a metal chelate impregnated on basic anion-exchange resin. Anion exchange resin is pref. porous styrene-divinylbenzene polymer with primary, sec., tert. or quat. amine functions. Metal chelate is pref. metal phthalocyanine, esp. a Co or V phthalocyanine sulphonate. Process is capable of converting oxidn.-resistant mercaptans into disulphides in highly olefinic gasoline distillates (esp. FCC gasoline) without excessive gum formation; alkaline reagents are not necessary.
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