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Up-flow electro-catalytic reactor

An electrocatalysis and reactor technology, applied in the field of up-flow electrocatalytic reactors, can solve problems such as lack of unified evaluation standards and specifications, and achieve the effects of preventing energy loss, saving costs, and avoiding back-mixing

Inactive Publication Date: 2015-03-25
BEIJING NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Secondly, there is currently no uniform evaluation standard and specification for the design and development of electrocatalytic reactors. Modular design can reduce the workload of scientific and technological workers and promote the development of water treatment technology. Therefore, it is urgent to develop efficient and reasonable new electrocatalytic reactors.

Method used

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Embodiment 1

[0028] Such as figure 1As shown, the upflow electrocatalytic reactor 1 of this embodiment is divided into a reaction zone 100 , a skimming zone 300 and a second static sedimentation tank 200 by a reactor shell 101 and a plurality of partitions ( 102 , 103 ).

[0029] Specifically, in the above-mentioned front reaction zone 100, there are: a plurality of anode form stable titanium plates 103 and cathode stainless steel plates 104 arranged in parallel for electrocatalytic operation; The diversion grid 105 vertically arranged on the plate 104; the skip-shaped water collection bucket 106 arranged at the bottom of the diversion grid 105; the water inlet pipe 107 connected to the side of the skip-shaped water collection bucket 106 for the upward flow electrocatalytic reaction Sewage flows into device 1.

[0030] The diversion grid 105 is a stainless steel mesh connected by latitude and longitude lines, and the mesh area is 2×2cm 2 , the warp is parallel to the anode shape-stable t...

Embodiment 2

[0040] Such as figure 2 As shown, the upflow electrocatalytic reactor 1 of this embodiment is divided into a front reaction zone 100', a skimming zone 300' and a rear reaction zone 200' by a reactor shell 101 and a plurality of partitions (102, 103).

[0041] In this embodiment, the structures of the pre-reaction zone 100' and the skimming zone 300' are the same as those of the reaction zone 100 and the skimming zone 300 in Embodiment 1, respectively, so the detailed structure thereof is omitted.

[0042] The rear reaction zone 200' is provided with: a plurality of anode shape stable titanium plates 203 and cathode stainless steel plates 204 arranged in parallel for electrocatalytic operation; diversion grid 205; a skip-shaped water collection bucket 206 arranged at the lower part of the diversion grid 205;

[0043] After the electrocatalytic reaction in the front reaction zone 100' and the skimming treatment in the skimming zone 300', the water flows into the rear reaction ...

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Abstract

The invention relates to an up-flow electro-catalytic reactor. The up-flow electro-catalytic reactor comprises a reaction region and a skimming region; the following components are arranged in the reaction region: a plurality of anode shape-stable titanium plates and cathode stainless steel plates which are all arranged in parallel and used for electro-catalysis operations, a flow guide grille which is arranged perpendicular to the anode shape-stable titanium plates and the cathode stainless steel plates, a first dustpan-shaped catchment hopper which is arranged on the lower part of the flow guide grille and used for collecting residues or particles generated in the electro-catalysis process, and a water inlet pipe which is connected by use of a hole formed in the side surface of the dustpan-shaped catchment hopper; a skimming brush is arranged in the skimming region and driven by a motor to skim floating foam or dross; and the skimming region also serves as a first static settling tank. As the flow guide grille is arranged in the reaction region, backmixing between anode and cathode reaction regions is avoided, energy loss due to that an anodic oxidation product is reduced again at the cathode is prevented, and meanwhile, the cost is saved to the maximum extent. Besides, due to the arranged skimming region, floating objects such as floating foam and dross are effectively removed and prevented from going into water again to affect the effluent quality.

Description

technical field [0001] The invention relates to the technical field of electrochemistry and water pollution control, in particular to an upflow electrocatalytic reactor for treating industrial organic waste water with electrocatalysis technology. Background technique [0002] Water pollution refers to the entry of a certain amount of sewage, waste water, various wastes and other pollutants into the water, which exceeds the self-purification and pollution-holding capacity of the water body, resulting in adverse changes in the physical and chemical properties and biological community composition of the water body and its sediment. , Destroying the inherent ecological system in the water, destroying the function of the water body, thereby reducing the use value of the water body. There are many factors that cause water pollution: the discharge of urban domestic sewage and industrial wastewater that has not been properly treated into the water body; the application of chemical f...

Claims

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Application Information

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IPC IPC(8): C02F1/461
CPCC02F1/46104C02F2201/002C02F2201/46105
Inventor 牛军峰殷立峰
Owner BEIJING NORMAL UNIVERSITY
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