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Upwelling bipolar three-dimensional electrochemical reactor

A chemical reactor and bipolar technology, applied in chemical instruments and methods, water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problem of poor wastewater treatment effect, low current efficiency of three-dimensional electrochemical reactor, etc. problem, achieve the effect of increasing the volume, good water outlet effect, and avoiding the deposition of impurities

Inactive Publication Date: 2015-04-29
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an upflow multipolar three-dimensional electrochemical reactor in order to solve the problems of low current efficiency and poor wastewater treatment effect of the existing three-dimensional electrochemical reactor

Method used

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  • Upwelling bipolar three-dimensional electrochemical reactor
  • Upwelling bipolar three-dimensional electrochemical reactor
  • Upwelling bipolar three-dimensional electrochemical reactor

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specific Embodiment approach 1

[0012] Specific embodiment one: the upflow bipolar three-dimensional electrochemical reactor of this embodiment comprises working electrode cathode 5, working electrode anode 6, plexiglass screen 4, particle electrode 7 and overflow weir 8, in two layers of plexiglass sieve The working electrode cathode 5 is sandwiched between the nets 4 to form a cathode assembly, and the working electrode anode 6 is sandwiched between two layers of plexiglass screens 4 to form an anode assembly, and water holes are evenly opened on the working electrode cathode 5 and the working electrode anode 6 , a plurality of sets of cathode assemblies and anode assemblies are alternately arranged at intervals along the vertical direction of the cylindrical reactor body 3, a reaction unit A is formed between adjacent cathode assemblies and anode assemblies, and each reaction unit A is filled with particles The electrode 7 and the overflow weir 8 are arranged on the top of the cylindrical reactor body 3 , ...

specific Embodiment approach 2

[0015] Specific embodiment two: the difference between this embodiment and specific embodiment one is that the anode assembly is formed by fixing two layers of plexiglass screen 4 and the working electrode anode 6 through the flange, and the two layers of plexiglass screen 4 and the working electrode are fixed by the flange The cathode 5 forms a cathode assembly.

specific Embodiment approach 3

[0016] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that the working electrode cathode 5 is a titanium plate electrode, a stainless steel electrode or a graphite plate electrode.

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Abstract

The invention relates to an upwelling bipolar three-dimensional electrochemical reactor, and relates to a three-dimensional electrochemical reactor, which solves the problems of being low in current efficiency and poor in wastewater treatment effect in the existing three-dimensional electrochemical reactor. The upwelling bipolar three-dimensional electrochemical reactor disclosed by the invention comprises a cathode of a working electrode, an anode of the working electrode, organic glass screens and a particle electrode; the cathode is clamped between the two layers of organic glass screens, so that a cathode component is formed; the anode is clamped between the two layers of organic glass screens, so that an anode component is formed; the cathode component and the anode component are alternatively arranged at intervals along the vertical direction of the three-dimensional electrochemical reactor; a reaction unit is formed between the cathode component and the anode component adjacent to each other; the particle electrode is filled in the reaction unit; and a water outlet is formed below an overflow weir. According to the invention, the mass transfer distance of pollutants is shortened through the particle electrode, therefore, the current efficiency is increased, electrochemical reaction units are easy to increase, and finally, the removing rate of COD (Chemical Oxygen Demand) in wastewater is above 80%.

Description

technical field [0001] The invention relates to a three-dimensional electrochemical reactor. Background technique [0002] In recent years, the discharge of wastewater has shown an increasing trend. The biodegradability of toxic and harmful refractory wastewater is poor, and the composition of wastewater is becoming more and more complex. With the increasingly strict national pollution discharge indicators and the further advancement of pollution reduction work, the sewage treatment of various enterprises is facing great challenges. The current sewage treatment process can hardly meet the increasingly stringent national discharge standards. Therefore, achieving stable operation of wastewater treatment facilities and meeting discharge standards is a common problem faced by almost all enterprises. As a kind of advanced oxidation method, the electrochemical method has the characteristics of no secondary pollution, no need to add chemical reagents, mild reaction conditions, and...

Claims

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Application Information

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IPC IPC(8): C02F1/461
CPCC02F1/461C02F1/46109C02F1/4672C02F1/4676C02F2001/46133C02F2001/46138C02F2001/46152C02F2001/46157C02F2201/46105
Inventor 冯玉杰刘峻峰黄琳琳
Owner HARBIN INST OF TECH
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