• Distill coal tar in a tube furnace to generate 3 mix oil , and obtain crude phenol from washed 3 mix oil .

    煤焦油经管蒸馏后,馏分组成的三馏分再经过洗涤获得

    www.koppers-china.com

  • Distill coal tar in a tube furnace to generate 3 mix oil , and obtain crude phenol from washed 3 mix oil .

    煤焦油经管蒸馏后,馏分组成的三馏分再经过洗涤获得

    www.koppers-china.com

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