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根据烯烃原料所含杂质情况,有针对性地设置脱水、脱氧、脱不凝气、脱硫和脱砷等精制工序,脱除相应的杂质,以提高精制烯烃的质量,达到降低聚烯烃产品能耗的聚合物生产工艺。是烯烃(如乙烯、丙烯)聚合过程中的主要操作单元之一。
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