... , α-Anaphthalene, β-methyltea, biphenyl, dimethyl tea, acenaphthene, fluorene and fluorene oxygen and other valuable organic chemical raw materials.Characters: Brown oily ... mainly for cleaning coke oven gas from the benzene or naphthalene.As the separation and extraction biphenyl, methyl naphthalene, ... quinoline, indole, dispersants, water reducing agent. Chemical oil and gas: high purity wash oil