Combined with the process status in chemical products recovery, the causes of coal tar quality fluctuation were analyzed, and the countermeasures to solve such problems were suggested.
结合生产工艺现状，分析了导致煤焦油质量波动的原因，并制定了解决问题的对策。
Coal tar pitch is a necessary raw material for smelting Aluminium and carbonizing process, its qualities direct affect technical and economical indexes of products.
煤焦油沥青是炼铝及碳素工业的重要原料之一，它的质量如何直接影响到制品的技术经济指标。
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