• The extraction and refining process includes distillating washing oil or anthracene oil to get fluorene distillate, then crystallizing the fluorene distillate to get fluorene using cooling or solvent.

    提取精制过程是先间歇蒸馏油馏份切取芴主馏份,采用冷却结晶法或溶剂结晶法精制芴主馏份得到芴。

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  • Its manufacture process includes the deasphalting of the vacuum-pressure residual oil, solvent refining, solvent-dewax, refining, shaping and packing.

    通过减压渣油脱沥青溶剂精制、溶剂脱蜡脱精制成型、包装等工艺过程制备成。

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  • Gas oil fraction of shale oil is unstable. To address this problem, the authors of the article propose a new solvent extraction-alkali washing refining process.

    针对页岩柴油馏分稳定问题提出溶剂萃取-碱洗精制工艺。

    youdao

  • Gas oil fraction of shale oil is unstable. To address this problem, the authors of the article propose a new solvent extraction-alkali washing refining process.

    针对页岩柴油馏分稳定问题提出溶剂萃取-碱洗精制工艺。

    youdao

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