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1·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。

2·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。

3·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。

4·Effects of raw material and product color of alkyl naphthalene on the pour point depression of lube oil were investigated.

考察烷基萘的原料(石蜡熔点)和产品色度对该剂降凝效果的影响。

5·The paper also points out, the ideal technology of petroleum naphthalene production is preparing 2,6 DMN from diesel fraction, a product of heavy oil contact cracking.

指出从重油接触裂解柴油馏分中制备2 ，6 -二甲基萘是石油萘生产的最理想的技术方向。

6·Two methods of distillation crystallization method and gas chromatography to determine the naphthalene content in coal tar oil were introduced.

介绍煤焦油中萘含量测定的两种方法：蒸馏结晶法和气相色谱法，对两种方法的优缺点及分析结果进行了对比。

7·Naphthalene content in coal-tar oil and cleaning oil was analyzed and determined using SE-54 capillary column.

用SE- 5 4毛细管柱分析了煤焦油和下游产品洗油中的萘含量，比国标法分离度好，用内标法（对四甲苯做内标）定量准确可。

8·This can replace the rich-oil naphthalene-washing process in benzol section and offer the reliable reference for removing the naphthalene in coke-oven gas.

本文提出了利用低萘洗油脱除焦炉煤气中萘的工艺方案。

9·Main business: coal, Metallurgical coke, Bituminous coal, coal tar pitch, Coking benzene, Fuel oil, Mixed oil, Refined Naphthalene, washed oil, Anthracene oil etc. GB products.

主营：煤炭、冶金焦、煤焦油、煤沥青、焦化苯、燃料油、混合油、精萘、工业萘、硫酸铵、轻苯、粗苯、洗油、蒽油等国标产品。

10·Main business: coal, Metallurgical coke, Bituminous coal, Coking benzene, Fuel oil, Mixed oil, Refined Naphthalene, washed oil, Anthracene oil etc. GB products.

主营：煤炭、冶金焦、煤焦油、煤沥青、焦化苯、燃料油、混合油、精萘、工业萘、硫酸铵、轻苯、粗苯、洗油、蒽油等国标产品。