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A highly efficient and environmentally friendly industrial wastewater treatment system

A technology for industrial wastewater and treatment systems, applied in water/sewage treatment, multi-stage water/sewage treatment, neutralized water/sewage treatment, etc., can solve the problems of high loss of ammonia and phosphate, low production efficiency of struvite, etc. , to achieve the effect of removing nitrogen and phosphorus and reducing pollutants

Active Publication Date: 2021-11-02
NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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Problems solved by technology

However, the existing struvite production efficiency is low, and the loss of ammonia and phosphate in the production process is relatively large

Method used

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  • A highly efficient and environmentally friendly industrial wastewater treatment system
  • A highly efficient and environmentally friendly industrial wastewater treatment system
  • A highly efficient and environmentally friendly industrial wastewater treatment system

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Embodiment Construction

[0031] Such as Figures 1 to 3 , the high-efficiency environmental protection industrial waste water treatment system 1 among the present invention comprises collection tank 2, first separating device 3, extracts solid organic component from described industrial waste water, obtains nitrogen-containing ammonium (NH4+) and phosphate (HPO42-) waste Liquid L.

[0032] A first type of separation device 3 is used to screen and filter material particles that can be larger than 250 microns in size from a liquid stream.

[0033] The solid / liquid separation step performed by the first separation device 3 causes a significant change in the composition of the industrial wastewater R, in particular a reduction in COD (chemical oxygen demand), an increase in ammonia percentage and a reduction in phosphorus.

[0034] The treatment system 1 includes a first electrophoretic reactor 4 for treating the waste water L generated by the first separation device 3 . After electrophoresis treatment,...

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Abstract

The invention discloses a high-efficiency environmental protection industrial wastewater treatment system, which relates to the technical field of organic wastewater treatment. The system includes: a collection tank, a first separation device, a first electrophoresis reactor, a second crystal solidification reactor, and a third crystal The coagulation reactor and the fourth photoelectrochemical reactor can effectively remove nitrogen and phosphorus in industrial wastewater through two-stage crystallization and coagulation, and can also effectively reduce pollutants in industrial wastewater.

Description

technical field [0001] The invention relates to the technical field of treating organic wastewater. More specifically, the present invention relates to an efficient and environmentally friendly industrial wastewater treatment system. Background technique [0002] In industrial wastewater such as food processing and papermaking, organic substances such as carbohydrates, proteins, oils, and lignin are contained. These substances exist in the sewage in a suspended or dissolved state and can be decomposed by the biochemical action of microorganisms. Oxygen-depleting pollutants are called oxygen-depleting pollutants because they consume oxygen during their decomposition. This pollutant can reduce dissolved oxygen in the water, affecting the growth of fish and other aquatic organisms. After the dissolved oxygen in the water is exhausted, the organic matter undergoes anaerobic decomposition, producing unpleasant odors such as hydrogen sulfide, ammonia and mercaptans, which deter...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/12C02F101/16C02F101/10
CPCC02F1/001C02F1/32C02F1/46109C02F1/4696C02F1/66C02F9/00C02F2001/46133C02F2101/105C02F2101/16C02F2101/166
Inventor 邓建绵李光辉李永通翟祖峰
Owner NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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