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Mixed raw-material fermenting process for producing alcohol

A technology of mixing raw materials and fermentation process, applied in the direction of fermentation, biofuel, etc., can solve the problem of reducing waste tank processing capacity, etc., and achieve the effect of saving the consumption of distillation steam, reducing the concentration of solids, and reducing the amount of waste discharged.

Active Publication Date: 2007-11-14
GUANGDONG ZHONGKE TIANYUAN NEW ENERGY SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of this invention is to provide a kind of defect that overcomes the fermentation of single raw material in the above-mentioned prior art, replace the process water in the prior art with sugarcane juice, add in the starchy raw material with certain ratio, mix into sugarcane juice powder slurry, The new process of producing alcohol and fuel ethanol through the existing technology of cooking liquefaction, saccharification, fermentation and distillation can not only increase the alcohol concentration of mature mash, save distillation steam, but also reduce the treatment capacity of waste tanks

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0018] Example 1: one-time addition method,

[0019] Taking an alcohol factory with an annual output of 22,000 tons, taking cassava: sugarcane juice = 1:3 batching process as an example:

[0020] Use 18 tons of sugarcane juice per hour, add 6 tons of crushed cassava, adjust the slurry to the required concentration in the mixing tank, control the temperature of the slurry at 60-65°C, and add an appropriate amount of amylase. In the liquefaction tank, adjust the pH value to 5.2-5.5, and add Ca 2+ , add high-temperature resistant α-amylase and slurry, stir evenly, and then pump the slurry into the jet liquefier. In the injector, the slurry and the steam meet directly. When the injector processes the slurry, the effect of shearing and stirring is conducive to the uniform mixing and heating of the gas-liquid two phases, which can ensure the uniform heating and complete cooking of the particles in the slurry. Control the discharge temperature at 100-105°C; the feed liquid coming o...

Embodiment 2

[0029] Embodiment 2: one-time addition method

[0030] Taking an alcohol factory with an annual output of 18,000 tons, taking the ingredient process of dried sweet potato: sugarcane juice = 1:1 as an example:

[0031] Squeeze 6 tons of sugar cane juice per hour, and crush 6 tons of dried sweet potatoes.

[0032] Mix with dried sweet potato: sugarcane juice = 1:1, adjust the slurry to the required concentration in the mixing tank, control the temperature of the slurry at 60-65°C, and add an appropriate amount of amylase. In the liquefaction tank, adjust the pH value to 5.2-5.5, and add Ca 2+ , add high-temperature-resistant α-amylase, feed liquid and stir evenly, and pump the sugarcane juice powder into the jet liquefier. In the injector, the slurry and the steam meet directly. When the injector processes the slurry, the effect of shearing and stirring is conducive to the uniform mixing and heating of the gas-liquid two phases, which can ensure the uniform heating and complet...

example 3

[0040] Example 3: Secondary addition method

[0041] Taking an alcohol factory with an annual output of 15,000 tons, taking cassava: sugarcane juice = 1:6 batching process as an example:

[0042] Squeeze 18 tons of sugar cane juice per hour, crush 3.0 tons of dried cassava.

[0043] Carry out mixing with dried cassava: about 1:3 of sugarcane juice=1: 3 earlier, carry out mixing with 9 tons (promptly using 50%) sugarcane juice as the mixing water of cassava dry powder raw material first, in mixing tank, adjust slurry When the desired concentration is reached, the product temperature of the slurry is controlled at 60-65°C, and an appropriate amount of amylase is added. In the liquefaction tank, adjust the pH value to 5.2-5.5, and add Ca 2+ , add high-temperature-resistant α-amylase, feed liquid and stir evenly, and pump the sugarcane juice powder into the jet liquefier. In the injector, the slurry and the steam meet directly. When the injector processes the slurry, the effect...

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Abstract

This invention has publicized one kind of ethyl alcohol production mix raw material fermentation process, Including raw material processing, mixes the material, the steam boiling to liquefy, the saccharification, the fermentation, the distillation working procedure, in raw material processing working procedure, the starchiness raw material smashing, presses out the sugar cane the juice to filter the sugar cane juice, starchiness raw material powder and sugar cane juice weight allocated proportion for 1:1-1:10. Starch quality raw material is cassava trunk, corn, potato, wheat, barley or the trunk of sweet potato. The beneficial effect of this invention are: increased sugar cane juice in the total sugar concentration, and lower raw material Organization of starch concentration of the solids, improve mobility, enhance mature Organization alcohol concentration, the amount of steam distillation savings, and also reducing units tons of alcohol Pai worse, worse reduce waste handling capacity, but also more easily spoil waste processing, alcohol production process so that environmental protection.

Description

technical field [0001] The invention relates to a production process of alcohol and fuel ethanol. technical background [0002] At present, in order to realize the fermenting of thick mash in the world, there are mainly two methods: one is that some companies in the United States use large-grained corn flour (3mm in diameter to reduce viscosity). Then adopt the method of adding sugar liquid step by step to control fermentation. (-Jia Shubiao et al. newly edited Alcohol Technology 2004 Chemical Industry Press P102), and by the literature retrieval results: adopt fresh potato raw materials to mix with hot water and amylase simultaneously Alcohol production by fermentation (Chinese Invention Patent Bulletin, CN-1044941A) and mixed use of sorghum and corn raw materials to produce alcohol (Brewing Science and Technology. 1999 (4).-40-42) have been reported; using double substrates and double strains to achieve mixed sugar Production of alcohol by continuous fermentation (Food an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P7/06
CPCY02E50/17Y02E50/10
Inventor 陈勇唐兆兴余伟俊陈宪笙
Owner GUANGDONG ZHONGKE TIANYUAN NEW ENERGY SCI & TECH
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