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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0812734 (1985-12-23) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 12 인용 특허 : 5 |
Water cannot be completely removed from ethanol by distillation because of the presence of the minimum azeotrope. Ethanol can be readily dehydrated by using extractive distillation in which the water is removed as overhead product and the ethanol and extractive agent as bottoms and subsequently sepa
A method for recovering anhydrous ethanol from a mixture of ethanol and water which comprises distilling a mixture of ethanol and water containing not more than 30% water in a rectification column in the presence of about one part of extractive agent per part of ethanol-water mixture, recovering wat
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