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Electric flocculation device for wastewater treatment

A technology for wastewater treatment and electrocoagulation, which is applied in water/sewage treatment, water/sewage treatment equipment, water/sludge/sewage treatment, etc. It can solve the problems of development and application limitations, frequent plate replacement, and large consumption of anode plates. , to achieve the effect of reducing consumption and replacement frequency, improving mass transfer effect and large contact area

Pending Publication Date: 2017-01-11
NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0007] Although electroflocculation technology has many unique advantages that traditional water treatment processes do not have, it also has limitations, mainly in the excessive consumption of anode plates and too frequent replacement of plates, which limits its development and application.

Method used

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  • Electric flocculation device for wastewater treatment
  • Electric flocculation device for wastewater treatment
  • Electric flocculation device for wastewater treatment

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Embodiment Construction

[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings and examples.

[0029] This embodiment includes electroflocculation cell 2 (such as figure 1 shown), the electroflocculation tank 2 for concrete mortar plastering is rectangular, and the upper parts of both ends are respectively provided with first and second water inlet pipes 10 and 12 and first and second water outlet pipes 11 and 13, and the bottom is provided with slag outlet 2 -1, a valve 2-2 is arranged on the outside of the slag outlet 2-1.

[0030] The first anode 3 and the second anode 5 are arranged in the electrocoagulation cell 2, and the material of the first anode 3 and the second anode 5 is an aluminum plate, and the first anode 3 and the second anode 5 are symmetrical along the longitudinal center line of the electroflocculation cell 2 Arrangement, cathode 4 is located in the middle of first anode 3 and second anode 5; The bottom of the groove ...

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Abstract

The invention relates to sewage treatment, especially an electric flocculation device for wastewater treatment. The device comprises a rectangular electric flocculation pool, in which anode 1 and anode 2 are symmetrically arranged along the longitudinal center line of the pool, with a cathode arranged between anode 1 and anode 2; The section of anode 1 and anode 2 is of Inverted trapezoidal tank structure, with anode filler in the tank and with hole structure set at the side walls and bottom of the tank of anode 1 and anode 2; anode 1, anode 2 and cathode, whose materials are aluminum sheets, respectively pass through the inner walls at both ends of the electric flocculation pool; anode 1, anode 2 and cathode respectively connected with the positive pole and negative pole of DC power. The device reduces the consumption and replacement frequency of anode filler. The contact area between sewage and electrode is large and the mass transfer effect of materials is significantly improved, and current efficiency is also enhanced.

Description

technical field [0001] The invention relates to sewage treatment, in particular to an electrocoagulation device for treating waste water. Background technique [0002] Electrocoagulation is a water purification technology that makes soluble anodes (sacrificial anodes) produce a large number of cations to flocculate wastewater under the action of an external electric field, thereby removing pollutants. It has the characteristics of electrochemical oxidation, flocculation and air flotation. Electrocoagulation technology was once considered to be the most promising water treatment technology, but its development was limited in the early stage due to low technical level and high energy consumption. Today, with the rapid development of the electric power industry, the treatment cost of electroflocculation technology has been greatly reduced, so this technology has once again become a very competitive water treatment technology. [0003] The most commonly used "sacrificial anode"...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/463
CPCC02F1/463C02F2201/46
Inventor 王昊安晓青杨洋田灿崔艳婷
Owner NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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