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发明授权
CN105801379B 分离2,5-二氯苯酚与2,4-二氯苯酚的方法 有权

分离2,5-二氯苯酚与2,4-二氯苯酚的方法
摘要：
本发明公开了一种分离2,5‑二氯苯酚与2,4‑二氯苯酚的方法，属于精细化工技术领域。所述方法通过离解、萃取、带水、沉淀、过滤等操作将2,5‑二氯苯酚分离出来后，再通过氨水成盐、重结晶等步骤，将2,4‑二氯苯酚分离出来，并通过各工序的特定的参数设置，从而实现将2,5‑二氯苯酚与2,4‑二氯苯酚的完全分离的目的，具有操作简便、成本低的优点。
摘要（英）：

The invention discloses a method for separating 2,5-dichlorophenol from 2,4-dichlorophenol, and belongs to the technical field of fine chemical engineering. According to the method disclosed by the invention, after the 2,5-dichlorophenol is separated through steps of dissociation, extraction, dewatering, sedimentation, filter and the like, the 2,4-dichlorophenol is separated through steps of forming salt by ammonia water, recrystallizing and the like, and the purpose of completely separating the 2,5-dichlorophenol from the 2,4-dichlorophenol is realized through setting specific parameters of each working procedure; the method has the advantages that the operation is simple and convenient, and the cost is low.

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