It is pointed out that to produce petro - asphalt and industrial naphthalene as main products and mixed methyl naphthalene fractions as by -product is one of important ways to utilize pyrolysis tar.
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释义
指出以生产石油沥青和工业萘为主,副产混合甲基萘等馏分,是综合利用裂解焦油的重要途径之一。
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