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Caustic free liquid/liquid process for sweeting a sour hydrocarbon fraction
Caustic free liquid/liquid process for sweeting a sour hydrocarbon fraction
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机译:不含腐蚀性的液/液法,用于脱硫含硫烃
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摘要
This invention relates to a liquid-liquid process for treating a sour hydrocarbon fraction. The process comprises contacting the hydrocarbon fraction in the presence of an oxidizing agent with 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. A preferred onium compound is a quaternary ammonium compound with an especially preferred compound being a quaternary ammonium halide.
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