plumbite sweetening

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sweetening — The process of improving petroleum products in color and odor by converting the undesirable sulfur compounds into less objectionable disulfides with sodium plumbite or by removing them by contacting the petroleum stream with alkalies or other… … Petroleum refining glossary
petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… … Universalium

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