... methyltea, biphenyl, dimethyl tea, acenaphthene, fluorene and fluorene oxygen and other valuable organic chemical raw materials.Characters: Brown oily ... naphthalene, acenaphthene, fluorene, dibenzofurans and other products of raw materials, used to absorb benzene.In addition, ... for the preparation of anti-corrosion oil, production of quinoline, indole, dispersants, water reducing ...