实验室研究利用煤焦油研制汽柴油替代品燃料油。
Experiments have been done in the laboratory to develop fuel oil, diesel oil and benzene substitutes, by using coal tar.
通过过滤分离实验，煤焦油中的固含量大大降低，过滤后的煤焦油可以达到催化加氢制取汽油、柴油的要求。
After the filtration separation, the solid matter in the coal tar was greatly reduced. The filtrated coal tar can meet the demand of being turned into the gasolene and the diesel oil.
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