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Integral solar energy photoelectricity water-treatment device

A technology of water treatment device and solar cell, which is applied in energy wastewater treatment, light water/sewage treatment, circuit device, etc., can solve the problems of application limitations of electrochemical oxidation technology and photoelectric catalytic oxidation technology, and achieve easy automation and safe maintenance , the reaction conditions are mild, and the effect of solving the high dependence on energy

Inactive Publication Date: 2012-07-25
NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the energy that supports the electrochemical oxidation process and the generation of ultraviolet radiation generally comes from the electrical energy delivered by the grid, which limits the application of electrochemical oxidation technology and photocatalytic oxidation technology.

Method used

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  • Integral solar energy photoelectricity water-treatment device

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1 integrated solar photoelectric water treatment device, see figure 1, including a set of solar cell components (8W) 2 and corresponding controller 3 (power supply Co., Ltd), a set of storage batteries 4, a set of corresponding photoelectrodes 5 and counter electrodes 6, and an ultraviolet lamp 7 , a cuboid electrolytic cell 9; the photoelectrode 5 and the counter electrode 6 are correspondingly arranged in the electrolytic cell 9, the photoelectrode 5 is located above the counter electrode 6, and the distance between the two is 20 cm, and the electrolytic cell 9 is provided with a water inlet 10 and an outlet Nozzle 11, the photoelectrode is ultraviolet light or / and visible light catalytically active photoelectrode; the ultraviolet lamp 7 is used to illuminate the photoelectrode 5, and provides ultraviolet radiation to the photoelectrode 5 and the raw water or waste water 8 to be treated; the solar cell assembly 2 The received solar light energy 1 is convert...

Embodiment 2

[0036] Embodiment 2 Utilizes the integrated solar photoelectric water treatment device described in Embodiment 1 to directly Electrochemical oxidation treatment of acid orange II (azo dye) simulated wastewater, using commercial solar cell modules (8W), using commercial DSA electrodes as working electrodes, using titanium mesh as counter electrodes, initial concentration 10mg / L, sodium chloride The concentration is 0.1mol / L, the pH is 6.8, and the color removal rate has reached 100% when the reaction time is 5 minutes.

Embodiment 3

[0037] Embodiment 3 The integrated solar photoelectric water treatment device is basically the same as Embodiment 1, and the device is used to directly electrochemically oxidize the acidic acid under the conditions of outdoor sunlight (from 11:00 to 13:00 on September 15, 2009, Zhengzhou). Orange II (azo dye) simulated wastewater uses a commercial solar cell module (8W), with a commercial DSA electrode as the working electrode and a titanium mesh as the counter electrode, with an initial concentration of 10mg / L, without adding electrolytes such as sodium chloride, pH 6.8, the chroma removal rate reached 22.1%, 74.1% and 91.8% when the reaction time was 5min, 30min and 60min, respectively.

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Abstract

The invention relates to an integral solar energy photoelectricity water-treatment device comprising an electrode couple or an three-dimensional electrode as well as an electrolytic bath, a storage battery, solar energy battery components and corresponding controllers and an ultraviolet lamp, wherein the electrode couple or the three-dimensional electrode is loaded with photocatalytic materials; the ultraviolet lamp is used for illuminating a photoelectrode; the solar energy battery components convert the received solar light energy to electric energy which is then transmitted and stored in the storage battery so as to supply power for the ultraviolet lamp and / or the electrode couple intermittently or continuously. The invention integrates an optical chemical oxidation process and an electric chemical oxidation process which both generate enhancement and synergetic effects for improving the water treatment efficiency, or the functions of the optical chemical oxidation process and the electric chemical oxidation process can be independently exerted to realize water purification; the invention has the advantages of simple structure, low manufacturing cost, safe and simple operation,easy realization of automation and safe maintenance, driving the entire water treatment process by wholly or partly utilizing the electric energy converted from the solar energy, solving the problem of high dependence on energy sources in a photoelectrocatalytic water treatment process and being capable of not depending on the traditional power grid in service.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to an integrated solar photoelectric water treatment device. Background technique [0002] With the development and improvement of wastewater treatment technology, organic wastewater with simple components and good biodegradability has been effectively controlled. Biological method is currently the most economical and effective method to eliminate organic pollutants in domestic and industrial wastewater. However, with the rapid development of petrochemical, pharmaceutical, pesticide and fuel industries, the number and types of refractory organic compounds in industrial wastewater are increasing day by day, especially containing high concentrations of aromatic compounds, such as phenolic (three) substances, etc. It is highly toxic and difficult to remove directly by general biodegradation methods. On the other hand, the country's limit standards for pollutant discharge are getting hi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/461C02F1/467C02F1/32H02J7/00
CPCY02A20/212Y02W10/37
Inventor 李国亭郭宇杰李发站吴本来王海荣赵旭
Owner NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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