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本文着重介绍利用石油精炼过程中所排放的大量酸渣为原料,以碱液处理,再经分离制取石油沥青及副产品硫酸钠的工艺。
This article focuses on the use of a large number of acid waste discharged in the oil refining process as raw materials, lye treatment, and then separated by the preparation of petroleum bitumen and by-product sodium sulfate process.