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Integration of distillation and rectification in methanol recovery

2009-03-05View Original

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Product: p-Aminobenzyl ether. Excess methanol needs to be recovered, and a combination of distillation and rectification is used; the distillation vessel contains water, p-***methylether, phenoxide salts, and methanol. What is the typical methanol content after distillation? The distilled crude methanol then enters the distillation column. What is the typical range for distillation efficiency these days? (Mass fraction of methanol) 3Q

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