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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0082990 (1979-10-09) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 7 인용 특허 : 0 |
A method and apparatus are disclosed relating to the recovery and reuse of heat during fractionation of liquids in a tray-type fractionating tower. According to this method, a portion of the feed to the tower is directed through heat exchange tubing positioned on the trays in such a way that the tub
A method for reducing the amount of heat required to separate components of a liquid petroleum feed mixture, said components having different boiling points, in continuous fractional distillation, comprising preheating a portion of said feed mixture by passing it through heat exchange tubing located
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