JPS5696687A - Distilling method of ethanol - Google Patents

Distilling method of ethanol

Info

Publication number
JPS5696687A
JPS5696687A JP17311979A JP17311979A JPS5696687A JP S5696687 A JPS5696687 A JP S5696687A JP 17311979 A JP17311979 A JP 17311979A JP 17311979 A JP17311979 A JP 17311979A JP S5696687 A JPS5696687 A JP S5696687A
Authority
JP
Japan
Prior art keywords
column
ethanol
separated
distillate
distillation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP17311979A
Other languages
Japanese (ja)
Other versions
JPS6219833B2 (en
Inventor
Tetsuya Nomoto
Yokichi Sasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suntory Ltd
Original Assignee
Suntory Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suntory Ltd filed Critical Suntory Ltd
Priority to JP17311979A priority Critical patent/JPS5696687A/en
Publication of JPS5696687A publication Critical patent/JPS5696687A/en
Publication of JPS6219833B2 publication Critical patent/JPS6219833B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

PURPOSE: To obtain genuine ethanol of stable quality with a small quantity of heat, by distilling a fermentation liquid containing ethanol with a plurality of distillation columns continuously.
CONSTITUTION: A fermentation liquid (unrefined sake) containing ethanol is passed through heat exchangers (a) and (b) to a distillation column I, heated and separated into a volatile content and a waste. The resultant volatile content in a vapor state is introduced into the bottom of a distillation column II, and a reflux liquid from the bottom of the column II is returned to the top of the column I by a pump (c). A high-boiling substance and water are separated from the intermediate plate of the column II, and a distillate from the top plate is completely condensed in the heat exchanger (a) and a total condenser (d). The resultant condensate is partly introduced into the intermediate plate of a distillation column III, and a low-boiling distillate separated from the top of the column III is totally condensed in a condenser (g) and returned to the top of the column III. A mixture of water with ethanol and a small amount of a low-boiling distillate is separated from the bottom and introduced into a distillation column IV, and the ethanol distillate is recovered from the top of the column IV. A waste liquor discharged from the bottom is partly used for adding water to the column III.
COPYRIGHT: (C)1981,JPO&Japio
JP17311979A 1979-12-27 1979-12-27 Distilling method of ethanol Granted JPS5696687A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17311979A JPS5696687A (en) 1979-12-27 1979-12-27 Distilling method of ethanol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17311979A JPS5696687A (en) 1979-12-27 1979-12-27 Distilling method of ethanol

Publications (2)

Publication Number Publication Date
JPS5696687A true JPS5696687A (en) 1981-08-04
JPS6219833B2 JPS6219833B2 (en) 1987-05-01

Family

ID=15954485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17311979A Granted JPS5696687A (en) 1979-12-27 1979-12-27 Distilling method of ethanol

Country Status (1)

Country Link
JP (1) JPS5696687A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63109766A (en) * 1986-10-29 1988-05-14 K F Eng Kk Distillation of acetone, butanol and ethanol fermentation liquid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63109766A (en) * 1986-10-29 1988-05-14 K F Eng Kk Distillation of acetone, butanol and ethanol fermentation liquid

Also Published As

Publication number Publication date
JPS6219833B2 (en) 1987-05-01

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