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Apparatus and method for processing organic wastewater by using TiO2-based photocatalytic composite-electrode fuel cell

A fuel cell and composite electrode technology, applied in the field of TiO2-based photocatalytic composite electrode fuel cell treatment of organic wastewater, can solve the problems of organic pollutant oxidation, lack of long-term stability of microbial fuel cells, etc., to achieve effective treatment and promote degradation The effect of speed and utilization improvement

Active Publication Date: 2012-04-04
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the 1980s, microbial fuel cells were proven to be applicable to daily production and living processes, but microbial fuel cells are difficult to completely oxidize organic pollutants, and microbial fuel cells lack long-term stability due to the influence of the life cycle of microorganisms themselves.

Method used

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  • Apparatus and method for processing organic wastewater by using TiO2-based photocatalytic composite-electrode fuel cell
  • Apparatus and method for processing organic wastewater by using TiO2-based photocatalytic composite-electrode fuel cell
  • Apparatus and method for processing organic wastewater by using TiO2-based photocatalytic composite-electrode fuel cell

Examples

Experimental program
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Embodiment 1

[0034] Monolithic interlayer photoanodes of TiO 2 The structure of the photocatalytic composite electrode fuel cell device.

[0035] A monolithic interlayer photoanode of TiO 2 The basic photocatalytic composite electrode fuel cell device includes a governor 1, a driving motor 2, a photocathode rotating shaft 3, a photocathode rotating disk 4, an interlayer photoanode 51, a sealed overflow tank 6 and a photoanode support frame 15, and a fuel cell reaction cell And the excitation light source, wherein the fuel cell reaction cell comprises a photoanode reaction cell 9, a photocathode reaction cell 7 and an ion exchange membrane 8, and the photoanode reaction cell 9 and the photocathode reaction cell 7 are connected by an ion exchange membrane 8, and the ion The exchange membrane is a cation exchange membrane or a composite ion exchange membrane. The interlayer photoanode 51 includes an interlayer photoanode base and a quartz glass shell, the interlayer photoanode base is recta...

Embodiment 2

[0038] Multi-chip interlayer photoanode of TiO in series 2 The structure of the photocatalytic composite electrode fuel cell device.

[0039] A kind of TiO with multi-chip interlayer photoanode in series 2 A photocatalytic composite electrode fuel cell device, including a governor 1, a drive motor 2, a photocathode rotating shaft 3, a photocathode rotating disk 4, a multi-piece interlayer photoanode 51 in series, a sealed overflow tank 6, a fuel cell reaction cell and an excitation light source , wherein the fuel cell reaction cell includes a photoanode reaction cell 9, a photocathode reaction cell 7 and an ion exchange membrane 8, and the photoanode reaction cell 9 and the photocathode reaction cell 7 are connected by an ion exchange membrane 8, and the ion exchange membrane is Cation exchange membrane or composite ion exchange membrane. The interlayer photoanode 51 includes an interlayer photoanode base and a shell, the shell is quartz glass, the interlayer photoanode is r...

Embodiment 3

[0042] TiO monolithic slanted plate photoanode 2 The structure of the photocatalytic composite electrode fuel cell device.

[0043] A monolithic tilted plate photoanode of TiO 2 The basic photocatalytic composite electrode fuel cell device includes a governor 1, a drive motor 2, a photocathode rotating shaft 3, a photocathode turntable 4, a slant plate photoanode 52, a water pump 17, a fuel cell reaction pool and an excitation light source, wherein the fuel cell reaction The pool includes a photoanode reaction cell 9, a photocathode reaction cell 7, and an ion exchange membrane 8. The photoanode reaction cell 9 and the photocathode reaction cell 7 are connected by an ion exchange membrane 8, and the ion exchange membrane is a cation exchange membrane or a composite ion exchange membrane. The base of the inclined plate photoanode 52 is rectangular, and the base material is titanium, stainless steel, nickel or boron-doped diamond, and the material of the photocathode rotating ...

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Abstract

The invention provides two TiO2-based photocatalytic composite-electrode fuel cells with different structures, and an apparatus used for processing organic wastewater. The apparatus comprises a speed regulator, a driving motor, a photocathode shaft, a photocathode rotary table, plural sheets of photo-anodes, a fuel cell reaction tank, and an excitation light source. The apparatus is characterized in that: a draft-tube is arranged on the bottom of the fuel cell reaction tank; and a water pump is arranged on the draft-tube. The water pump is started; the organic wastewater is transferred from the draft-tube on the bottom of the photo-anode reaction tank to the top of the photo-anodes, and flows down, such that a liquid film is formed on the surfaces of the photo-anodes; meanwhile, the driving motor is started, the rotation speed of the photocathode rotary table is controlled by the speed regulator, such that the photocathode rotary table rotates, and a liquid film is also formed on the surface of the photocathode. Photo-anodes with different structures are adopted, such that the processing efficiency of the organic wastewater is improved. The photo-anodes are designed as rectangles, such that the liquid film formed by the water flow on the surfaces of the photo-anodes is more uniform, and the organic wastewater can be more effectively processed by using the TiO2-based photocatalytic composite-electrode fuel cell.

Description

technical field [0001] The invention relates to a system for treating organic wastewater in the fields of energy, chemical industry and environment. Specifically a TiO 2 A device and method for treating organic wastewater based on a photocatalytic composite electrode fuel cell. Background technique [0002] A fuel cell is a device that can directly convert the chemical energy of fuel into electrical energy. Since 1838, C. F. Since the first discovery of the electrochemical effect of fuel cells and the emphasis on the phenomenon that current can be generated during the chemical reaction between hydrogen and chlorine or oxygen on platinum electrodes, researchers have conducted extensive research on the application of fuel cells in the field of energy. With in-depth basic research, the types and application range of fuel cells have also been continuously expanded. In the 1980s, microbial fuel cells were proved to be applicable to daily production and living processes, but...

Claims

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Application Information

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IPC IPC(8): H01M8/16C02F1/30C02F1/72C02F1/70C02F1/46
CPCY02E60/527Y02E60/50
Inventor 贾金平阳陈李侃王亚林杨学丽郭清彬王珺
Owner SHANGHAI JIAO TONG UNIV
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