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    • 7. 发明授权
    • Biodegradable high performance hydrocarbon base oils
    • 可生物降解的高性能烃基油
    • US06506297B1
    • 2003-01-14
    • US09547809
    • 2000-04-11
    • Robert Jay WittenbrinkRichard Frank BaumanDaniel Francis Ryan
    • Robert Jay WittenbrinkRichard Frank BaumanDaniel Francis Ryan
    • C10G7100
    • C10G45/58C10G67/04C10G2400/10C10G2400/12C10G2400/14C10M107/02C10M2205/173C10N2220/028C10N2270/00
    • Discloses novel biodegradable high performance hydrocarbon base oils useful as lubricants in engine oil and industrial compositions, and process for their manufacture. A waxy, or paraffinic feed, particularly a Fischer-Tropsch wax, is reacted over a dual function catalyst to produce hydroisomerization and hydrocracking reactions, at 700° F.+ conversion levels ranging from about 20 to 50 wt. %, preferably about 25-40 wt. %, sufficient to produce a crude fraction, e.g., a C5-1050° F.+ crude fraction, containing 700° F.+ isoparaffins having from about 6.0 to about 7.5 methyl branches per 100 carbon atoms in the molecule. The methyl paraffins containing crude fraction is topped via atmospheric distillation to produce a bottoms fraction having an initial boiling point between about 650° F. and 750° F. which is then solvent dewaxed, and the dewaxed oil is then fractionated under high vacuum to produce biodegradable high performance hydrocarbon base oils.
    • 公开了可用作发动机油和工业组合物中的润滑剂的新型可生物降解的高性能烃基油及其制造方法。 蜡状或石蜡原料,特别是费 - 托蜡在双功能催化剂上反应,产生加氢异构化和加氢裂化反应,在700°F +转化率范围为约20至50wt。 %,优选约25-40wt。 %,足以产生含有分子中每100个碳原子具有约6.0至约7.5个甲基支链的含有700°F +的异构烷烃的粗馏分,例如C5-1050°F +粗馏分。 含有粗制部分的甲基链烷烃通过常压蒸馏来顶部,产生沸点在约650°F至750°F之间的塔底馏分,然后进行溶剂脱蜡,然后将脱蜡油在高真空下分馏, 可生物降解的高性能烃基油。