SU57669A1 - The method of obtaining ethyl alcohol and acetone fermentation - Google Patents

The method of obtaining ethyl alcohol and acetone fermentation

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Publication number
SU57669A1
SU57669A1 SU26413A SU26413A SU57669A1 SU 57669 A1 SU57669 A1 SU 57669A1 SU 26413 A SU26413 A SU 26413A SU 26413 A SU26413 A SU 26413A SU 57669 A1 SU57669 A1 SU 57669A1
Authority
SU
USSR - Soviet Union
Prior art keywords
ethyl alcohol
acetone
fermentation
obtaining ethyl
acetone fermentation
Prior art date
Application number
SU26413A
Other languages
Russian (ru)
Inventor
М.С. Левин
Л.Г. Ноткина
Original Assignee
Украинский научно-исследовательский институт пищевой промышленности
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 Украинский научно-исследовательский институт пищевой промышленности filed Critical Украинский научно-исследовательский институт пищевой промышленности
Priority to SU26413A priority Critical patent/SU57669A1/en
Application granted granted Critical
Publication of SU57669A1 publication Critical patent/SU57669A1/en

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Description

Дл  получени  ацетона 1и этилового спирта при повдощи Bacillus acetoethylicus обычно примен ют в качестве сырь  картофель, кукурузную муку, мелассу и др. В случае переработки растительных отходов, богатых пентозанами (как, на-пример, кочерыжки кукурузы, оболочки овса и др.), прибегают к предварительному гидролизу пентозанов серной кислотой под давлением , а затем уже сбраживают редуцирующие вещества гидролизатов при помощи .указанной культуры бактерий .To produce acetone 1 and ethyl alcohol, Bacillus acetoethylicus is usually used as a raw material for potatoes, corn flour, molasses, and others. they resort to the preliminary hydrolysis of pentosans with sulfuric acid under pressure, and then they ferment the reducing substances of the hydrolysates with the aid of the indicated culture of bacteria.

Осуществление этого процесса св зано с необходимостью применени  кислотоупорной аппаратуры и расходом серной кислоты.The implementation of this process is associated with the need to use acid-resistant equipment and the consumption of sulfuric acid.

Предлагаемый способ получени  этилового спирта и ацетона при помощи Bacillus acetoethylicus отличаетс  тем, что брожению подвергаЕОтс  отруби пшеницы без предварительного гидролиза кислотой; при этом количество сбраживаемых пентозанов составл ет 50-бО/o. Процесс сбраживани  производитс  следующим образом .The proposed method for the production of ethyl alcohol and acetone using Bacillus acetoethylicus is characterized in that fermentation of wheat bran is performed without prior hydrolysis with acid; wherein the amount of fermented pentosans is 50-BO / o. The fermentation process is as follows.

Отруби пщеницы смещивают с 7 объемами воды и мела и стерилизуют в автоклаве под давлением 1.5 избыточных атмосфер в течение 1 часа.Wheat bran is shifted with 7 volumes of water and chalk and sterilized in an autoclave under a pressure of 1.5 excess atmospheres for 1 hour.

Затем к охлажденному стерильному з.атору добавл ют . культуры Bacillus acetoethylicus и ведут брожение при температуре 40-43/о в течение 4-5 дней в стерильных услови х .Then added to the cooled sterile z. Bacillus acetoethylicus cultures and fermentation at 40-43 / o for 4-5 days under sterile conditions.

По окончании брожени  бражку перегон ют на брагоперегонном аппарате , а затем дестиллат подвергают ректификации и разгонке с целью разделени  ацетона и этанола.At the end of the fermentation, the mash is distilled on a branding apparatus, and then the distillate is subjected to rectification and distillation in order to separate the acetone and ethanol.

Из 100 кг отрубей можно получить около 4-4,5 кг ацетона и 10-11 кг этилового спирта. Концентраци  растворителей 3 бражке составл ет 0,5-0, ацетона и 1,2-1,4«/о этилового спирта.From 100 kg of bran, you can get about 4-4.5 kg of acetone and 10-11 kg of ethyl alcohol. The concentration of solvents 3 can be 0.5-0, acetone and 1.2-1.4 "/ o ethyl alcohol.

Предмет изобретени .The subject matter of the invention.

Способ получени  этилового спирта и ацетона брожением с применением Bacillus acetoethylicus, отличающийс  тем, что бролсению подвергают негидролизированные пентозансодержащие материалы, например, отруби пшеницы .A method of producing ethyl alcohol and acetone by fermentation using Bacillus acetoethylicus, characterized in that non-hydrolyzed pentosan-containing materials, such as wheat bran, are subjected to brolling.

SU26413A 1939-05-03 1939-05-03 The method of obtaining ethyl alcohol and acetone fermentation SU57669A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU26413A SU57669A1 (en) 1939-05-03 1939-05-03 The method of obtaining ethyl alcohol and acetone fermentation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU26413A SU57669A1 (en) 1939-05-03 1939-05-03 The method of obtaining ethyl alcohol and acetone fermentation

Publications (1)

Publication Number Publication Date
SU57669A1 true SU57669A1 (en) 1939-11-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU26413A SU57669A1 (en) 1939-05-03 1939-05-03 The method of obtaining ethyl alcohol and acetone fermentation

Country Status (1)

Country Link
SU (1) SU57669A1 (en)

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