C_5馏分的分离与综合利用是合理利用石油资源的一个重要方面。
C5 fraction separation and comprehensive utilization is an important aspect of reasonable utilization of petroleum resource.
简述了制浆废液木质素在建筑工程、石油开采、橡塑工业、水处理剂、农业等各个领域的综合利用及降解利用的研究进展。
The study and application of lignin from pulping spent liquor was outlined in building, oil exploitation, rubber and plastics, water treatment chemicals and agriculture.
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。
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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