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SOLVENT REFINING OF NAPHTHENIC LUBE OIL WITH N-METHYL-2-PYRROLIDONE
SOLVENT REFINING OF NAPHTHENIC LUBE OIL WITH N-METHYL-2-PYRROLIDONE
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机译:N-甲基-2-吡咯烷酮对萘润滑油的溶剂精制
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摘要
1286420 Solvent refining lubricating oils TEXACO DEVELOPMENT CORP 19 April 1971 [3 April 1970] 25190/71 Heading C5E Naphthenic lubricating oils are refined by extracting at above 50‹ F. with a mixture of 85- 98 wt. per cent N-methyl-2-pyrrolidone and 2-15% water to dissolve at least 10 volume per cent of the lubricating oil charge. The use of N-methyl-2-pyrrolidone and water to refine vacuum distillates and residuals is compared with the use of mixtures of water with 2-pyrrolidone or furfural and with the use of mixtures of N-methyl-2-pyrrolidone with sulpholane, triethylene glycol, acetic acid, diisobutyl ketone or benzaldehyde.
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机译:1286420溶剂精制润滑油TEXACO DEVELOPMENT CORP 1971年4月19日[1970年4月3日] 25190/71税号C5E环烷润滑油是通过在50?F以上用85-98 wt。百分之一的N-甲基-2-吡咯烷酮和2-15%的水溶解至少10%(体积)的润滑油。比较了使用N-甲基-2-吡咯烷酮和水精制真空馏出物和残渣与将水与2-吡咯烷酮或糠醛的混合物以及与N-甲基-2-吡咯烷酮与环丁砜的混合物进行了比较,三甘醇,乙酸,二异丁基酮或苯甲醛。
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