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System and method for treating preparation wastewater by using multiphase multidimensional electrolysis pretreatment process, A/O and MBR

A treatment system and wastewater treatment technology, which is applied in water/sewage multi-stage treatment, electrochemical-biological combination treatment, sedimentation treatment, etc., can solve problems such as many characteristic pollutant factors, difficulty in discharging preparation production wastewater, and large fluctuations in water quality , to achieve the effect of increasing the electrode surface area, improving the electrolysis efficiency, and occupying a small area

Inactive Publication Date: 2021-03-16
NANJING JIANGDAO INST OF ENVIRONMENT RES CO LTD
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Problems solved by technology

[0008] The main purpose of the present invention is to overcome the existing problems of high COD, many characteristic pollutant factors, large fluctuations in water quality, and irregular discharge of preparation production wastewater that are difficult to treat efficiently and at low cost, and provide a multi-phase multi-dimensional electrolytic pretreatment process +A / O+MBR system and method for treating preparation wastewater can realize efficient and stable treatment of preparation production wastewater

Method used

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  • System and method for treating preparation wastewater by using multiphase multidimensional electrolysis pretreatment process, A/O and MBR
  • System and method for treating preparation wastewater by using multiphase multidimensional electrolysis pretreatment process, A/O and MBR
  • System and method for treating preparation wastewater by using multiphase multidimensional electrolysis pretreatment process, A/O and MBR

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Embodiment 1

[0041] see figure 1 As shown, a system and method for treating preparation wastewater using multiphase multidimensional electrolytic pretreatment process + A / O+MBR in a preferred embodiment of the present invention is applied to the wastewater treatment of a pharmaceutical company in the High-tech Pharmaceutical Valley of Jiangbei New District, Nanjing stand.

[0042] The wastewater treatment station includes high-concentration wastewater collection, comprehensive wastewater collection tank, PH adjustment tank, multi-phase multi-dimensional electrolytic tank, coagulation sedimentation tank, A / O+MBR integrated equipment, sludge dehydration equipment, dosing equipment, etc.

[0043] There are 2 high-concentration wastewater collection pools, each effective residence time is 24h, the volume of high-concentration wastewater is 1t / h, the pH adjustment pool is made of PPH material, and the size is length × width × height = 1.0 × 1.0 × 3.0m, V = 3.0m 3 , effective volume 2.5m 3 , t...

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Abstract

The invention discloses a system for treating preparation wastewater by using a multiphase multidimensional electrolysis pretreatment process, A / O and MBR. The system is characterized by comprising awastewater collection tank, a multiphase multidimensional pretreatment system, an A / O treatment system and an MBR tank, and the wastewater collection tank comprises a high-concentration wastewater collection tank and a comprehensive wastewater collection tank. According to the invention, the multi-phase multi-dimensional pretreatment system is used as a main wastewater treatment system, and the wastewater treatment system cooperates with the A / O treatment system and the MBR tank, so pollutants in wastewater can be effectively removed, and the denitrification efficiency is improved. The methodprovided by the invention has the characteristics of good treatment effect, strong impact load resistance, stable effluent and the like.

Description

technical field [0001] The invention belongs to the technical field of industrial wastewater treatment, and in particular relates to a system and method for treating preparation wastewater by using a multiphase and multidimensional electrolytic pretreatment process+A / O+MBR. Background technique [0002] At this stage, the treatment rate and pass rate of preparation production wastewater in my country are not high, and most of the preparation production wastewater has not been classified and collected for quality treatment, and the treatment process is difficult to meet the discharge standards. The domestic preparation production wastewater treatment process is mainly based on biological methods, and most enterprises have built their own sewage treatment stations, but the treatment effect is not good, and decentralized treatment is the main method. Preparation wastewater treatment includes various methods, which can be divided into physical, chemical and biological methods ac...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F101/30
CPCC02F9/00C02F1/66C02F1/461C02F1/56C02F2001/007C02F1/722C02F3/30C02F3/005C02F2101/30
Inventor 阮在高黄开龙杨庆
Owner NANJING JIANGDAO INST OF ENVIRONMENT RES CO LTD
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