[특허]Extractive distillation process for the production of fuel grade alcohols

[미국특허] Extractive distillation process for the production of fuel grade alcohols 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-003/40 C07C-029/84
출원번호	US-0285307 (1981-07-20)
발명자 / 주소	Braithwaite David G. (Tyler TX) Cheavens Thomas (Tyler TX) Voyce Jason M. (Tyler TX)
출원인 / 주소	Improtec (Tyler TX 02)
인용정보	피인용 횟수 : 11 인용 특허 : 1

초록 ▼

A novel composition, and extraction process for the dehydration of a hydrated aliphatic, monohydric alcohol to produce a fuel grade alcohol. A select group of alkali-metal and alkaline-earth metal salts are added to and dissolved within a low volatility polyhydric alcohol to form a solution, or solvent extractant, and said solvent extractant contacted and dissolved within said aliphatic, monohydric hydrated alcohol, the solvent extractant distilled, condensed, and a dehydrated fuel grade aliphatic monohydric fuel grade alcohol recovered.

대표청구항 ▼

An extraction process for the dehydration of a hydrated aliphatic, monohydric alcohol to produce a fuel grade alcohol which comprises forming a solvent extractant by dissolving within a low volatility polyhydric alcohol an alkali-metal or alkaline-earth metal salt selected from the group consisting of sodium tetraborate, potassium orthoborate, potassium phosphate, potassium biphosphate, dipotassium phosphate, and a complex salt prepared by adding two moles of an alkali-metal hydroxide to a mole of an alkali-metal tetraborate, said solvent extractant being constituted of from about 2 percent to about 20 percent of said alkali-metal or alkaline-earth metal salt, and from about 80 percent to about 98 percent of said polyhydric alcohol, based on the weight of the total solvent, contacting and dissolving said solvent extractant within said hydrated aliphatic monohydric alcohol, distilling said solution of solvent extractant and hydrated aliphatic monohydric alcohol, from about 100 percent to about 800 percent of the extractant solvent being employed to extract and dehydrate said monohydric alcohol, based on the total weight concentration of water contained in said monohydric alcohol, and condensing and recovering a dehydrated fuel grade aliphatic, monohydric alcohol from said solution.

이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

Fujii Toshihiro (Neyagawa JA) Kurata Naoji (Nichinomiya JA) Okuda Yukio (Toyonaka JA), Method for recovering alcohols.
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이 특허를 인용한 특허 (11) 인용/피인용 타임라인 분석

Lee, Fu-Ming; Pahl, Robert H., Dehydration of alcohol with extractive distillation.
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Berg Lloyd (1314 S. Third Ave. Bozeman MT 59715) Yeh An-I (709 S. 12th Ave. Bozeman MT 59715), Dehydration of ethanol by extractive distillation.
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Kinard John T. ; Melody Brian J. ; Lessner Philip M., Electrolyte for anodizing valve metals.
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Knapp, Jeffrey P., Low energy extractive distillation process for producing anhydrous ethanol.
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Lee, Fu-Ming; Lin, Tzong-Bin; Hwang, Jyh-Haur; Shen, Hung-Chung; Wu, Kuang-Yeu; Vuong, Lindsey; Su, Fong-Cheng; Cheng, Po-Sung; Chang, Tai-Ping, Low-energy extractive distillation process for dehydration of aqueous ethanol.
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Lee, Fu-Ming; Wu, Kuang-Yeu; Vuong, Lindsey; Su, Fong-Cheng; Lin, Tzong-Bin; Hwang, Jyh-Haur; Shen, Hung-Chung; Cheng, Po-Sung; Chang, Tai-Ping, Low-energy extractive distillation process for dehydration of aqueous ethanol.
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Misselhorn Klaus (Ascheberger Weg 41 1000 Berlin 27 DEX) Tegtmeier Uwe (Triftstrasse 46 1000 Berlin 65 DEX), Method to separate polar organic compounds, in particular aliphatic alcohols, from fermentation fluids.
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Tedder Daniel W. (Marietta GA), Process for producing fuel grade alcohol by solvent extraction and carrier gas stripping.
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English John C. (300 Morris Longview TX 75602) Ondrey John A. (4600 Paluxy Tyler TX 75703) Voyce Jason M. (Rte. 21 ; Box 296 Tyler TX 75709), Process for the separation of water from a water-containing mixture or azeotrope with an extractant, and for the separat.
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Olson, David A., Reactor pump for catalyzed hydrolytic splitting of cellulose.
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Olson, David A., Reactor pump for catalyzed hydrolytic splitting of cellulose.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Extractive distillation process for the production of fuel grade alcohols 원문보기