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Clean production process for producing alcohol by fermentation of saccharate crop clean juice

A clean production and process technology, applied in the direction of fermentation, microorganism-based methods, microorganisms, etc., can solve the problems of polluted environment, high BOD and COD of waste mash, achieve the effect of improving utilization rate and solving serious pollution problems

Inactive Publication Date: 2006-11-15
FUJIAN NORMAL UNIV
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  • Application Information

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Problems solved by technology

Thereby overcoming the problem of environmental pollution caused by the high BOD and COD of the waste mash in the production of ethanol by traditional molasses fermentation, which is difficult to biochemically treat, improving the utilization rate of raw and auxiliary materials, and realizing the zero discharge process of waste liquid in the true sense

Method used

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  • Clean production process for producing alcohol by fermentation of saccharate crop clean juice

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[0013] Get sugarcane stalks and obtain sugarcane mixed juice (15.4 ° BX) after twice pressing, adopt bentonite-chitosan composite flocculant (preparation method as described above) to carry out non-toxic clarification treatment, and its component of the separated filter mud is inorganic solid And non-toxic organic components can be used as organic fertilizers. The sugarcane clear juice clarified and filtered by flocculants is concentrated into a concentration of about 28°BX (21% sucrose) through multi-effect distillation. Concentration fermentation, fermented mature mash alcohol content volume fraction 12.6%, residual sugar 0.1%, acidity 0.43. After the fermented mature mash is distilled, the waste mash is concentrated into a 68°BX concentrate (23.6% of total protein content) through multi-effect distillation as animal protein feed.

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Abstract

Candy crop as raw materials such as sugarcane, stem or stalk of sugar are squeezed to receive mixed juice which is filtered then to get the clear juice which is then concentrated by many result distillation into a high-concentration clear juice. The said juice is fermented with the yeast to generate alcohol. The dregs is then concentrated into 65BX concentrated animal feed protein through multi-result distillation. Advatages: high efficiency, low cost and saved water.

Description

technical field [0001] The invention relates to a clean production process for producing ethanol by fermenting mixed clear juices squeezed from sugar crops, specifically a clean production process for producing ethanol by fermentation using clear juices squeezed from stems or stalks of sugar cane and sweet sorghum. Background technique [0002] The state has included the development of renewable energy in the outline of the "Tenth Five-Year Plan" development plan. In 2001, China launched the "Fuel Alcohol Energy Plan", formulated and promulgated standards such as "Denatured Fuel Ethanol" and "Vehicle Ethanol Gasoline", and required the promotion of the use of fuel alcohol in the automobile transportation industry. Fuel alcohol is increasingly becoming a renewable clean energy that can replace non-renewable mineral energy such as petroleum. [0003] Alcohol production raw materials are very wide. It can be produced by starchy crops such as rice, wheat, corn, barley, sweet p...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12P7/06C12R1/865
CPCY02E50/10
Inventor 黄祖新陈由强黄建忠张彦定陈如凯张华
Owner FUJIAN NORMAL UNIV