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Process for microelectrolysis catalytic oxidation and biochemical treatment of high-concentration waste water

A high-concentration wastewater, catalytic oxidation technology, applied in aerobic and anaerobic process treatment, water/sewage treatment, neutralized water/sewage treatment, etc., can solve the problems of wastewater COD difficult to degrade, membrane fouling, etc., and achieve fast , Anti-poisonous substances and strong system impact ability

Pending Publication Date: 2019-01-15
JIANGSU TIANHONG ENVIRONMENTAL ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0018] MBR method: Introduce membrane bioaugmentation technology, but for chemical wastewater with poor biodegradability, it is easy to cause membrane fouling due to difficult degradation of wastewater COD

Method used

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  • Process for microelectrolysis catalytic oxidation and biochemical treatment of high-concentration waste water
  • Process for microelectrolysis catalytic oxidation and biochemical treatment of high-concentration waste water

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Embodiment Construction

[0030] The following is a further description of the present invention to better understand the present invention:

[0031] 1. According to the high-concentration wastewater quality index, it is characterized by high COD, low B / C ratio, and high toxicity. If the biochemical process is directly used for this type of wastewater, the entire biochemical process will be paralyzed. Taking necessary physical and chemical pretreatment measures is the prerequisite for the treatment of this type of wastewater. In response to the above problems, our company's physicochemical pretreatment technology will adopt the domestic leading catalytic microelectrolysis and three-phase catalytic oxidation pretreatment technology, and the biochemical anaerobic section will adopt the A2O process. The combination of physicochemical and biochemical methods can increase the impact load of the entire wastewater treatment system on high-concentration organic wastewater treatment.

[0032] 2. Characteristics of...

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PUM

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Abstract

The invention relates to a process for microelectrolysis catalytic oxidation and biochemical treatment of high-concentration waste water. The process is performed according to the following steps of using high-concentration waste water; feeding the high-concentration waste water into an acidification pool for acidification treatment; then, sequentially passing the high-concentration waste water through a catalytic micro-electrolysis tank, a neutralization aeration pool, a flocculation reaction pool, a sedimentation pool, a catalysis oxidization pool, a comprehensive regulation pool, a USAB, anaerobic hydrolysis pool, a contact oxidization pool, a secondary sedimentation pool and a clean water pool. The process has the advantages that the efficiency is high; the energy is saved; the contaminant eliminating speed is high; the toxic and harmful substance and system impact resistance capability is high; the addition of dilution water is not needed, and the like.

Description

Technical field [0001] The invention relates to a process for micro-electrolysis, catalytic oxidation and biochemical treatment of high-concentration wastewater, and belongs to the technical field of sewage treatment. Background technique [0002] For high-concentration wastewater, if the direct biochemical treatment patent is used, the biochemical system will be directly paralyzed and unable to operate. It is necessary to find a highly operable and economical physical and chemical pretreatment technology to carry out physical and chemical pretreatment of high-concentration wastewater to improve the wastewater. Biodegradability, reduce the toxicity of wastewater. For high-concentration chemical wastewater that is difficult to biodegrade and has biological toxicity, there are generally oxidation, reduction, adsorption, condensation, and distillation recovery methods. For this kind of wastewater, due to the relatively complex composition of the wastewater, the COD concentration is...

Claims

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Application Information

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IPC IPC(8): C02F9/14
CPCC02F9/00C02F3/30C02F1/461C02F1/52C02F1/66C02F1/5281C02F1/725C02F1/722
Inventor 王敏张盼月戴家凤
Owner JIANGSU TIANHONG ENVIRONMENTAL ENG
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