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如何提高塔顶的产品浓度
更新时间: 2020-09-16 00:00:00  

1、塔顶冷却器换热量大些,冷却效果要好,增加塔顶回流比;

2、增加塔高,一般来说精馏塔越高,分离效果越好;

萃取蒸馏是一种特殊的精馏方法,用以分离恒沸点混合物或组分挥发度相近的液体混合物。用于不能或难于用普通精馏方法进行分离的场合。例如,在硝酸与水的恒沸点混合物中加入浓硫酸进行精馏,挥发较大的硝酸成为塔顶产品,挥发度较小。

关键词: 如何 提高 塔顶 产品 浓度

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