Method for producing alcohol through solid fermentation on mixed waste molasses containing cellulose substances

A cellulose material and solid-state fermentation technology, applied in fermentation, biofuels, etc., can solve the problems of difficult pollution control and high production costs, and achieve the effects of no distiller's grain pollution, reduced production costs, and increased alcohol content

Inactive Publication Date: 2014-10-22
梁利和 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to propose a method for solid-state fermentation of cellulose-containing substances mixed with waste molasses to produce alcohol, so as to solve the problems of high production costs and difficult post-production pollution control in the prior art

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  • Method for producing alcohol through solid fermentation on mixed waste molasses containing cellulose substances
  • Method for producing alcohol through solid fermentation on mixed waste molasses containing cellulose substances
  • Method for producing alcohol through solid fermentation on mixed waste molasses containing cellulose substances

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Embodiment Construction

[0038] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0039] See attached figure 1 A method for producing alcohol by solid-state fermentation of cellulose-containing substances mixed with waste molasses of the present invention comprises the following steps:

[0040] Step 1: crushing one or several kinds of crop straws containing cellulose materials into small pieces with a length of 5-15 mm to obtain raw materials of crop straws;

[0041] Step 2: preparing distiller's mash;

[0042] Step 3: mixing the distiller's mash obtained in step 2 with waste molasses to obtain mixture A;

[0043] Step 4: Mix the mixture A obtained in step 3 with the crop straw raw material obtained in step 1 to obtain a mixture B with a sugar content of 15%-30%;

[0044] Step 5: the mixture B obtained in step 4 is mixed by an auger mixer and then fermented by an automatic continuous fermenter to obtain solid-state fermented mature...

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Abstract

The invention discloses a method for producing alcohol through solid fermentation on mixed waste molasses containing cellulose substances, belonging to the technical field of alcohol production and aiming to solve the problems of high production cost and high difficulty in treating pollution caused after production. The method comprises the following steps of crushing one or more of crop straws containing cellulose substances to obtain a crop straw raw material; preparing a yeast mash; mixing the yeast mash and waste molasses to obtain a mixture A; mixing the mixture A and the crop straw raw material to obtain a mixture B containing 15-30% of sugar; automatically and continuously fermenting the mixture B through a fermentation tank to obtain a solid fermentation finished mash; continuously feeding the solid fermentation finished mash into an alcohol distillation machine to distil diluted alcohol out; and treating the diluted alcohol by using a rectifying technology to obtain a finished product of alcohol. According to the method disclosed by the invention, different crops are selected as raw materials in different crop harvest seasons, so that the production cost is low; a proper amount of waste molasses is added, so that the fermented alcohol content is high; solid fermentation is adopted, so that no liquid distiller grains are generated, and no distiller grain pollution is caused.

Description

technical field [0001] The invention belongs to the technical field of alcohol production, and in particular relates to a method for producing alcohol by solid-state fermentation of waste molasses mixed with cellulose-containing substances. Background technique [0002] At present, there are roughly four methods for producing alcohol: the first method uses starch as raw material to produce alcohol, that is, after the raw material is crushed, it undergoes liquid saccharification, liquid fermentation, and then distills it into alcohol. A large amount of liquid distiller's grain waste, generally 12m of distiller's grains will be discharged for every ton of alcohol produced 3 Left and right, pollution control is difficult and expensive, and the enterprise cannot afford it; the second method uses waste molasses as raw material, after acidification treatment, liquid fermentation and distillation into alcohol, which is also difficult to control the pollution, and the cost of treatm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P7/08C12P7/10
CPCY02E50/10
Inventor 梁利姜蓉生
Owner 梁利和
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