Miscella refining of crude cottonseed oil has become a generally accepted commercial process for the past 20 years. The simple and efficient continuous process for removal of undesirable impurities is described, having changed little in its basic form since discovery 40 years ago. The individual unit processes, control systems, process flow charts, chemical reactions and oil‐to‐hexane ratios used in miscella refining are described. The several advantages to miscella refining vs conventional oil refining are noted.
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