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A kind of method for producing fuel ethanol by fermentation of koji distiller's grains

A technology for fuel ethanol and koji distiller's grains, which is applied in the directions of microorganism-based methods, biofuels, biochemical equipment and methods, etc., can solve problems such as solid waste environmental pollution, and achieve the effect of reducing steam consumption and solving pollution.

Active Publication Date: 2017-12-01
ANHUI GOLDEN SEED WINERY CO LTD
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to use the fermentation method to hydrolyze various components in koji distiller's grains with compound enzymes to generate new energy fuel ethanol, realize the comprehensive utilization of by-products, and solve the problem of environmental pollution caused by solid waste

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  • A kind of method for producing fuel ethanol by fermentation of koji distiller's grains
  • A kind of method for producing fuel ethanol by fermentation of koji distiller's grains
  • A kind of method for producing fuel ethanol by fermentation of koji distiller's grains

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Embodiment 1

[0018] A method for producing fuel ethanol by fermenting koji distiller's grains, comprising the following steps:

[0019] Distiller's grains routine testing component results unit g / 100g

[0020]

[0021]

[0022] 1. Pretreatment of koji distiller's grains:

[0023] The distiller's grains are dried and pulverized, and placed in a 3L fermentation bottle to meet the concentration requirements of raw material pulverization and emulsification in the thick mash fermentation process. Stir evenly at the same time, put it into a steam sterilizer for high-temperature hydrolysis, and then reduce the pressure. Lower the temperature, take it out and cool it down to 50°C and add complex enzymes for enzymatic hydrolysis and saccharification.

[0024] 2. Compound enzymatic hydrolysis, liquefaction and saccharification:

[0025] The synergistic effect of enzymes is like a "relay race", for example, coarse starch generates a large amount of dextrin under the action of high temperatur...

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Abstract

The invention discloses a method for producing fuel ethanol by fermenting wine lees. The method disclosed by the invention can be used for voluntarily preparing a complex enzyme system, namely high temperature-resistant alpha-amylase, saccharifying enzyme, cellulase and acid protease, can be used for greatly enhancing the effect of decomposing and cutting capacity and effectively decomposing cellulose, xylogen, crude starch, crude protein and pectin in the wine lees, and can be used for solving the problem of pollution of solid wastes on the environment and increasing the demand of energy fuel of a company by producing fuel ethanol by using the wine lees and well solving the problem of organic combination of the cellulose, acid hydrolysis and enzyme hydrolysis and transforming the biological substances into ethanol again by continuously carrying out non-isothermal simultaneous liquefaction, saccharification and fermentation in a same container. According to the method, residues generated in a production process can be taken as feeds for developing the animal husbandry, and microbes are fermented to produce biogas, organic fertilizers and planting edible fungi for developing the planting industry.

Description

technical field [0001] The invention mainly relates to the fuel field, in particular to a method for producing fuel ethanol by fermenting koji distiller's grains. Background technique [0002] A large amount of waste koji distiller's grains will be produced during the production of koji wine. Although these wastes can be used as part of the feed source for some livestock, but because of their high cellulose content, the nutritional value is low, and only part of them can be used. Some of them are still treated as waste; in recent years, due to the development of science and technology and the improvement of feed quality, the nutritional structure of distiller's grains can no longer meet the requirements of scientific feeding and the needs of scale development in the breeding industry. Opening up new utilization of distiller's grains has become the focus of work in the liquor industry. In view of the above reasons and the actual situation of koji wine production, the idea of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12P7/08C12P19/14C12R1/865
CPCC12P7/10C12P19/14Y02E50/10
Inventor 陈兴杰彭兵张庆龙郝标
Owner ANHUI GOLDEN SEED WINERY CO LTD
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