Photovoltaic driving electrochemical treatment system, treatment method thereof and application of system

A treatment system, photovoltaic-driven technology, applied in chemical instruments and methods, filtration treatment, multi-stage water treatment, etc., can solve the problems of high operating cost, limited wide use, high energy consumption, etc., and achieve the effect of improving removal efficiency

Inactive Publication Date: 2018-09-28
WUHAN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Among them, the bio-ecological method has the advantages of good removal effect, low operating cost, and no secondary pollution. It is one of the most effective methods for treating landscape water bodies at present. However, the efficiency is low and it is greatly affected by the climate; Stable and can improve water quality in a short period of time, however, operating costs limit the widespread use of this method
Coagulation-sedimentation method achieves the removal of nitrogen and phosphorus by adding coagulant once or in batches. However, this method discharges a large amount of sludge, the utilization rate of the agent is low, and the cost of use is high.
Although the electroflocculation method in the electrochemical process can realize the continuous dosing of chemicals, the amount of sludge produced is small, and the utilization rate of chemicals is high, but the denitrification effect is slightly poor when nitrogen and phosphorus are treated at the same time, while electrochemical oxidation or reduction The denitrification effect of the law is better, but the control of phosphorus is insufficient. In addition, the high operating cost due to high energy consumption limits the wide application of the two processes.

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  • Photovoltaic driving electrochemical treatment system, treatment method thereof and application of system
  • Photovoltaic driving electrochemical treatment system, treatment method thereof and application of system
  • Photovoltaic driving electrochemical treatment system, treatment method thereof and application of system

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Embodiment 1

[0040] This embodiment provides a photovoltaic-driven electrochemical treatment system for treating micro-polluted landscape water. First, a set of treatment equipment based on photovoltaic-driven electrochemical methods for treating micro-polluted landscape water is constructed in the laboratory. Such as figure 1 As shown, the photovoltaic-driven electrochemical treatment system mainly includes an electrochemical treatment unit I, a filter unit, an electrochemical treatment unit II and a photovoltaic power drive unit. Wherein, processing unit 1 is mainly made up of cathode plate 16, anode plate 17 and two-stage filter frame (coarse filter screen frame 16 and fine filter screen frame 17) in electrochemical reactor 15; Filter unit mainly is made up of filter pool 20 The coarse filter material unit 23, the medium filter material unit 24 and the fine filter material unit 25 placed from bottom to top in the interior constitute; the electrochemical treatment unit II is mainly compo...

Embodiment 2

[0049] Embodiment 2: the operation steps are as follows:

[0050] (1), (2), (3), (4) steps in the present embodiment are identical with (1), (2), 3), (4) in embodiment 1, and difference is:

[0051](5) Treatment of micro-polluted landscape water bodies: After the first four steps are completed, place the photovoltaic panel assembly I 10 and photovoltaic panel assembly II 32 under sunlight with a certain light intensity outdoors, and at the same time place the micro-polluted landscape water taken from a square The water in the pond is poured into the sewage water intake point 1, and the switch of the photovoltaic water pump 2 is turned on, so that the water in the slightly polluted landscape pond flows through the electrochemical reactor I 5, the filter pool 20 and the electrochemical reactor II 27 in sequence, and the sewage passes through the electric After the chemical reactor II water outlet 37 circulates back to the sewage water intake point 1 for ten minutes, connect the ...

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Abstract

The invention discloses a photovoltaic driving electrochemical treatment system, a treatment method thereof and an application of the system. The photovoltaic driving electrochemical treatment systemcomprises an electrochemical treatment unit I, a filtering unit, an electrochemical treatment unit II and a photovoltaic power driving unit. As renewable photovoltaic energy is used for providing electric power and additional dosing of chemical reagents is omitted, treatment cost is greatly reduced. The system is high in efficiency and stable in running, water quality can be improved within a short time, the shortcomings of a traditional physical-chemical process and a biological-ecological process are effectively overcome, and the system is quite suitable for micro-polluted landscape water body treatment.

Description

technical field [0001] The invention belongs to the technical field of surface water micro-polluted water body treatment, and more specifically relates to a photovoltaic-driven electrochemical treatment system and its treatment method and application. Background technique [0002] Landscape water bodies have become an important place for leisure and entertainment for urban residents due to their beautiful scenery and charming scenery. They often include natural lakes, river courses and artificially constructed lakes, fountains, waterfalls, reservoirs, ornamental pools or ponds, landscape rivers or moats, etc. Most of them are It is a closed or semi-closed static or slow-flowing water body, which has the characteristics of small water area, low water level, less water volume, small water environment capacity, easy pollution, and poor water self-purification ability. Since the water body often receives surface precipitation and urban domestic sewage, and cannot circulate with ...

Claims

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Application Information

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IPC IPC(8): C02F9/06C02F1/463
CPCC02F1/001C02F1/463C02F2201/46165C02F2301/08
Inventor 张顺喜岳振胡纯李建芬
Owner WUHAN POLYTECHNIC UNIVERSITY
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