Alcohol liquid waste treating method for sugar refinery

A technology of waste alcohol mash and treatment method, which is applied to the comprehensive treatment field of "three wastes" in sugar factories, can solve the problems of high operating cost, large investment, secondary pollution, etc., and achieves high total number of viable bacteria, pollution control, and low investment. Effect

Inactive Publication Date: 2004-09-22
云南力量生物制品(集团)有限公司
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Problems solved by technology

However, most of these projects have large investment, high operating costs, incomplete treatment, and easy to cause secondary pollution
For example, if the incineration method is adopted, the production line with an annual output of 2,000 tons of alcohol will require at least 7 million yuan in the investment in incineration equipment for treating waste liquid, and the current incinerator is not yet mature, and the operating cost is also high

Method used

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  • Alcohol liquid waste treating method for sugar refinery
  • Alcohol liquid waste treating method for sugar refinery
  • Alcohol liquid waste treating method for sugar refinery

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Embodiment Construction

[0009] see figure 1 , mix alcohol waste mash with sugarcane pith, then add filter mud, coal ash and compound strains composed of yeast, bacteria, and actinomycetes to mix together. The mixing ratio of each component is 35% to 45% of sugarcane pith %, 35% to 40% of filter mud, 15% to 25% of coal ash, 3‰ to 8‰ of composite bacteria, and the balance is alcohol waste mash. The amount of alcohol waste mash is added to keep the material moisture from 65% to 70% is better, and the temperature when the alcohol waste mash is added is below 40°C, and then stacked and fermented, the temperature during fermentation is 55°C to 65°C, and the fermentation time is 15 days to 20 days. The filter mud for the above-mentioned preparation of solid fertilizer adopts the sugar factory sub-method filter mud, air-dried to less than 50% moisture, coal ash air-dried to less than 40% moisture, when fermenting, the material should be turned over every 3 to 4 days, so that The temperature of each part of ...

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Abstract

A process for treating the waste alcohol liquid from sugar refinery includes such steps as mixing it with cane pith filtered mud and powdered coal ash, stirring, adding yeast, bacteria and actinomycetes and fermenting to obtain solid fertilizer, or adding Japanese EM bacteria to said waste liquid and fermenting to obtain liquid fertilizer. Its advantages are low cost, high fertility and no secondary pollution.

Description

technical field [0001] The invention belongs to a comprehensive treatment method for "three wastes" in sugar factories, in particular to a treatment method for alcohol waste mash in sugar factories. technical background [0002] The waste mash discharged from the production of molasses alcohol is a high-concentration organic wastewater, with a BOD of 40,000-50,000 mg / L and a CODcr of 80,000-120,000 mg / L. It has complied with the national (GB8978-96) "Comprehensive Wastewater Discharge Standard". Alcohol waste mash is non-toxic, but it is directly discharged, which can easily cause crops to be burned to death, water conservancy foundations to be corroded, river water quality to be polluted, aquatic organisms to die, etc., which seriously pollute the environment and destroy the ecological balance; at the same time, it also affects the factory and surrounding areas. relationship with the masses. [0003] The treatment of alcohol waste mash is an international and domestic pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/34C05F5/00C12S3/10
CPCY02A40/20
Inventor 岳家福杨健康
Owner 云南力量生物制品(集团)有限公司
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