...170~210℃左右蒸出的酚油(phenol oil)，可经加工而得苯酚、甲酚、二甲酚等；（2）在210-218℃左右蒸出的萘油（naphthalene oil），可经加工而得萘、甲基萘、吡啶等。
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fraction of naphthalene oil 萘油馏分
additive from naphthalene oil 萘油添加剂
processing of naphthalene oil fraction 萘油馏分加工
Oil naphthalene 石油萘
A fraction of naphthalene oil from coal tar at high temperature was used as raw material to synthesize a new type of dispersing agent for coal water slurry (CWS).
用高温煤焦油中的萘油馏分作为原料合成了水煤浆分散剂。
This paper introduced the use of tar oil mixture as raw material in the production of naphthalene.
应用现有装置，把未洗三混直接作为工业萘原料。
The naphthalene content of coke oven gas can be reduced effectively through several measures, including improving production technology and management in naphthalene washing with diesel oil.
在焦炉煤气柴油洗萘中，通过改进生产工艺、加强生产管理等措施，可以有效地降低城市煤气中的萘含量。
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