Removal of acetic acid from crude terephthalic acid(CTA) by centrifugal washing,replacement washing and beating vacuum filtration with p-xylene or water as solvents was investigated.
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释义
以水为溶剂,比较了置换抽滤、打浆抽滤和离心过滤等洗涤方法脱除粗对苯二甲酸(CTA)滤饼中乙酸的效果。
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