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Construction and use method of high-salt high-ammonia-nitrogen organic wastewater biological treatment system

A technology for biological treatment and organic wastewater, applied in biological water/sewage treatment, water/sludge/sewage treatment, water pollutants, etc., which can solve problems affecting system stability and long commissioning period.

Active Publication Date: 2022-03-01
苏州水星环保工业系统有限公司
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a method for constructing and using a high-salt and high-ammonia-nitrogen organic wastewater biological treatment system, aiming to solve the problem that the existing sewage microbial treatment technology has a long debugging period and easily affects the stability of the system

Method used

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  • Construction and use method of high-salt high-ammonia-nitrogen organic wastewater biological treatment system
  • Construction and use method of high-salt high-ammonia-nitrogen organic wastewater biological treatment system
  • Construction and use method of high-salt high-ammonia-nitrogen organic wastewater biological treatment system

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Effect test

Embodiment 1

[0029] S1. Obtain seed mud;

[0030] S2. Putting the seed sludge into the high-density culture reactor of salt-tolerant aerobic bacteria and the high-density culture reactor of high-efficiency denitrification and denitrification bacteria;

[0031] The inoculum amount of the high-density culture reactor of salt-tolerant aerobic bacteria is 10%-40% of the effective volume, and the inoculum amount of the high-density culture reactor of high-efficiency denitrification and denitrification bacteria is 30%-60% of the effective volume .

[0032] S3. Gradually increase the influent salinity of the high-density culture reactor of salt-tolerant aerobic bacteria and the concentration of ammonia nitrogen in the water of the high-density culture reactor of high-efficiency denitrification and denitrification bacteria, and increase the high-density culture reactor of high-salt-tolerant aerobic bacteria The seed sludge in the tank is returned to the high-density culture reactor of high-effici...

Embodiment 2

[0052] S1. Obtain seed mud;

[0053] S2. Putting the seed sludge into the high-density culture reactor of salt-tolerant aerobic bacteria and the high-density culture reactor of high-efficiency denitrification and denitrification bacteria;

[0054] The inoculum amount of the high-density culture reactor of salt-tolerant aerobic bacteria is 10%-40% of the effective volume, and the inoculum amount of the high-density culture reactor of high-efficiency denitrification and denitrification bacteria is 30%-60% of the effective volume .

[0055] S3. Gradually increase the COD load and influent salinity of the high-density culture reactor of salt-tolerant aerobic bacteria and the ammonia nitrogen concentration of the influent water of the high-density culture reactor of high-efficiency denitrification and denitrification bacteria, and obtain two domesticated products;

[0056] The specific method is: S301. Add sodium chloride and nutrient solution to the high-density culture reactor o...

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Abstract

The invention relates to the technical field of wastewater treatment, in particular to a construction and use method of a high-salt and high-ammonia-nitrogen organic wastewater biological treatment system. Putting the seed sludge into a salt-tolerant aerobic bacteria high-density culture reactor and an efficient denitrification nitrogen removal bacteria high-density culture reactor; gradually increasing the inlet water salinity of the high-density culture reactor for the salt-tolerant aerobic bacteria and the inlet water ammonia nitrogen concentration of the high-density culture reactor for the efficient denitrification nitrogen removal bacteria, and refluxing seed sludge in the high-density culture reactor for the salt-tolerant aerobic bacteria to the high-density culture reactor for the efficient denitrification nitrogen removal bacteria to obtain two domesticated products; mixing the two domesticated products to complete the construction of a biological treatment system; the biological treatment system is applied to high-salt and high-ammonia-nitrogen sewage treatment or storage after purification, and the problems that an existing sewage microbiological treatment technology is long in debugging period and the stability of the system is easily affected are solved.

Description

technical field [0001] The invention relates to the technical field of wastewater treatment, in particular to a method for constructing and using a high-salt, high-ammonia-nitrogen organic wastewater biological treatment system. Background technique [0002] Printing and dyeing, papermaking, medicine, and other chemical industries will produce a large amount of high-salt wastewater in the production process. High-salt wastewater often contains high concentrations of salt and ammonia nitrogen, and is an extremely difficult type of wastewater to treat. At present, enterprises mainly use physical and chemical methods to treat high-salt wastewater, which not only covers a large area, requires a lot of investment, but also costs a lot of treatment, causing a large economic burden and a certain increase in costs for the enterprise. Therefore, it is imminent to find a cost-effective high-salt wastewater treatment technology. [0003] Sewage microbial treatment technology is widel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/30C02F101/16
CPCC02F3/302C02F2101/16Y02W10/10
Inventor 岳文春赵雪瑞宋淮芳陈燕
Owner 苏州水星环保工业系统有限公司
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