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Welcome to Shandong zhonghewogong environmental protection equipment Technology Co., Ltd., a manufacturer specializing in sewage treatment equipment
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fifteen billion fifty-three million six hundred and twenty-five thousand five hundred and fifty-eight

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Hotline:

fifteen billion fifty-three million six hundred and twenty-five thousand five hundred and fifty-eight

Email: 23697831@qq.com

Telephone: fifteen billion fifty-three million six hundred and twenty-five thousand five hundred and fifty-eight

Address: No. 552, north outer ring road, Shunwang street, Zhucheng City, Shandong Province

Wastewater treatment equipment for starch industry

  • Product introduction: Starch is the product of photosynthesis of green plants and an indispensable basic substance in human life activities. Although the chemical composition and structure of starch are complex, they are widely used. Starch is a very important industrial raw material. It is not only used in food industry, but also widely used in wine, pharmaceutical, textile, chemical and other industries. In the process of starch processing, a large number of high concentration acidic organic wastewater will be produced, and its content will change with the fluctuation of production, and its COD value is usually about 1000 mg / L.
  • Hotline: fifteen billion fifty-three million six hundred and twenty-five thousand five hundred and fifty-eight
  • product details

Starch is the product of photosynthesis of green plants and an indispensable basic substance in human life activities. Although the chemical composition and structure of starch are complex, they are widely used. Starch is a very important industrial raw material. It is not only used in food industry, but also widely used in wine, pharmaceutical, textile, chemical and other industries. In the process of processing, the concentration of COD will fluctuate in the range of 1000 mg / L.

Composition of starch wastewater

In the process of starch processing, a large number of high concentration acidic organic wastewater, mainly soluble starch and a small amount of protein, is generally non-toxic, but cod is very high, usually 1000-30000 mg / L and SS is 1500 mg / L. if the wastewater is directly discharged into the environmental water, it will not only cause serious harm to the environment, but also cause waste of water resources.

Biological treatment is a method that uses the metabolic function of microorganisms to degrade dissolved and colloidal organic pollutants and convert them into wastewater to purify wastewater. Generally, it can be divided into aerobic biological treatment method and anaerobic biological treatment method. There are two treatments. This method is suitable for the treatment of high concentration organic wastewater, which has the advantages of low processing cost and high processing efficiency.

 Wastewater treatment equipment for starch industry

Wastewater treatment equipment for starch industry

Anaerobic biological methods

In the anaerobic treatment of starch wastewater, the final product is methyl alkyl combustible gas, which can be used for energy recovery; the surplus sludge is small, easy to be dehydrated and concentrated, and can be used as fertilizer; the processing cost is low. In the current situation of energy shortage, this method is increasingly regarded as a low-energy, recyclable resource processing process in the world.

Aerobic biological process (drainage aeration biological filtration method)

According to the climate characteristics of North China, potato starch production characteristics and starch wastewater properties, the combination process of precipitation separation drainage biological aerated filter was used to treat starch separation wastewater from potato starch plant in North China. The process is simple, easy to operate, infrastructure and operating costs. Low, easy to manage, this process is suitable for China's national conditions.



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