JPS57152892A - Production of alcohol by acid saccharification of starch - Google Patents

Production of alcohol by acid saccharification of starch

Info

Publication number
JPS57152892A
JPS57152892A JP56037687A JP3768781A JPS57152892A JP S57152892 A JPS57152892 A JP S57152892A JP 56037687 A JP56037687 A JP 56037687A JP 3768781 A JP3768781 A JP 3768781A JP S57152892 A JPS57152892 A JP S57152892A
Authority
JP
Japan
Prior art keywords
yeast
acid
fermentation
sacchrification
syrup
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.)
Pending
Application number
JP56037687A
Other languages
Japanese (ja)
Inventor
Zenhachiro Miura
Fujio Tanabe
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.)
NIHON KAGAKU KIKAI SEIZOU KK
Japan Chemical Engineering and Machinery Co Ltd
Original Assignee
NIHON KAGAKU KIKAI SEIZOU KK
Japan Chemical Engineering and Machinery Co 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 NIHON KAGAKU KIKAI SEIZOU KK, Japan Chemical Engineering and Machinery Co Ltd filed Critical NIHON KAGAKU KIKAI SEIZOU KK
Priority to JP56037687A priority Critical patent/JPS57152892A/en
Publication of JPS57152892A publication Critical patent/JPS57152892A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel

Landscapes

  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

PURPOSE: A process for the alcoholic fermentation of syrup obtained by the acid sacchrification of starch, characterized in that a part of the saccharified syrup is mixed with the yeast recovered from the unrefined fermentation product, and the yeast is used repeatedly for the fermentation.
CONSTITUTION: A starchy raw material is subjected to the acid sacchrification with sulfuric acid, and a major part of the produced syrup is neutralized with calcium carbonate, filtered, and fermented by conventional process in the presence of alcoholic fermentation yeast. After fermentation, the unrefined product is separated into the light liquid and the heavy liquid by a centrifugal separator. The light liquid is distilled to obtain pure alcohol, and the pH of the heavy liquid containing the yeast is adjusted to 1W4 by mixing the liquid obtained by filtering the remaining part of the above acid-containing surup separated from the acid-sacchrification product before neutralization. The mixture is maintained to the state for several hours, and used repeately as the yeast for alcoholic fermentation.
COPYRIGHT: (C)1982,JPO&Japio
JP56037687A 1981-03-16 1981-03-16 Production of alcohol by acid saccharification of starch Pending JPS57152892A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56037687A JPS57152892A (en) 1981-03-16 1981-03-16 Production of alcohol by acid saccharification of starch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56037687A JPS57152892A (en) 1981-03-16 1981-03-16 Production of alcohol by acid saccharification of starch

Publications (1)

Publication Number Publication Date
JPS57152892A true JPS57152892A (en) 1982-09-21

Family

ID=12504483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56037687A Pending JPS57152892A (en) 1981-03-16 1981-03-16 Production of alcohol by acid saccharification of starch

Country Status (1)

Country Link
JP (1) JPS57152892A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61173786A (en) * 1985-01-28 1986-08-05 Mitsui Eng & Shipbuild Co Ltd Method of fermenting alcohol

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61173786A (en) * 1985-01-28 1986-08-05 Mitsui Eng & Shipbuild Co Ltd Method of fermenting alcohol

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