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Caustic free catalyst for use in a liquid/liquid process for sweetening a sour hydrocarbon fraction
Caustic free catalyst for use in a liquid/liquid process for sweetening a sour hydrocarbon fraction
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机译:用于液/液法中用于脱硫酸性烃馏分的无腐蚀性催化剂
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摘要
This invention relates to a catalyst which is useful in oxidizing mercaptans present in a sour hydrocarbon fraction. The catalyst consists of an aqueous solution containing ammonium hydroxide, a metal chelate and an onium compound selected from the group consisting of quaternary ammonium, phosphonium, arsonium, stibonium, oxonium and sulfonium compounds. The counter ion of the onium compound is halide, nitrate, sulfate, phosphate, acetate, citrate and tartrate. The catalyst is used in a liquid-liquid process to sweeten a sour hydrocarbon fraction.
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