Reasons for poor separation in floating valve columns

2009-03-14View Original

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Our plant’s tar distillation column has been in use for 5 years; it is a floating valve column. However, the dry point of the triple mixture oil remains as high as 320 degrees. Adjustments have shown that when the naphthalene content is high, the dry point of the triple mixture oil also increases. I’d like to ask fellow travelers where the problem lies.

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Reasons for poor separation in floating valve columns

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