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A kind of galvanized waste water purification system and water purification method

A water purification system and wastewater technology, which is applied in metallurgical wastewater treatment, water/sewage treatment, chemical instruments and methods, etc., can solve problems such as poor treatment effect of galvanized wastewater, achieve effective removal, increase biodegradability, improve The effect of removal rate

Inactive Publication Date: 2018-07-10
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the existing wastewater treatment process has a poor treatment effect on galvanized wastewater, and provides a galvanized wastewater purification system and water purification method

Method used

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  • A kind of galvanized waste water purification system and water purification method

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Effect test

Embodiment 1

[0016] Accompanying drawing is a kind of specific embodiment of the present invention, and this embodiment comprises that the sewage in the elevated water tank 16 enters the dissolved air water distribution chamber 13 through the sewage pipe 19 through the sewage metering pump 10, and the dissolved air water distribution chamber 13 is provided with an aeration pan 18, The aeration pipe 12 and the aeration disc 18 are connected to the air compressor 7 through the aeration pipe 12 to form an aeration system to provide the required oxygen for the resin particle electrode and microorganisms, and the backwash water inlet pipe 6 is connected to the backwash water pump 9, The sewage is fully mixed with air in the dissolved air water distribution chamber 13, and then enters the resin particle electrode layer 4 through the porous plastic plate 17. There is a DC power supply 1 outside the resin particle electrode layer 4, and the DC power supply 1 passes through the anode wire 2 and the c...

Embodiment 2

[0020] The water purification system for galvanized wastewater in this embodiment is the same as the water purification system for galvanized wastewater in Embodiment 1.

[0021] The difference between this water purification method and the water purification method in Embodiment 1 is that the air-to-water volume ratio of the aeration is 3:1.

Embodiment 3

[0023] The water purification system for galvanized wastewater in this embodiment is the same as the water purification system for galvanized wastewater in Embodiment 1.

[0024] The difference between this water purification method and the specific embodiment 1 water purification method is that the air-to-water volume ratio of the aeration is 2:1.

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Abstract

The invention discloses a galvanization wastewater purification system and method. A resin type particle electrode layer of the galvanization wastewater purification system is located at the bottom of the purification system, a cathode composed of a titanium mesh is put in resin, an anode composed of a stainless steel pore plate is put outside the resin, the anode and the cathode are respectively connected with a positive pole and a negative pole of an additional power supply, an adsorptive biological filtering material layer is located above the resin type particle electrode layer, the lower portion of the resin type particle electrode layer is connected with a gas-dissolving water distribution chamber, and an aeration device and a back-flushing device are installed in the gas-dissolving water distribution chamber. The purification method comprises the following steps of feeding wastewater into the gas-dissolving water distribution chamber, 2 mixing gas and the water, 3 performing resin type particle electrode treatment, 4 performing microbiological treatment and physical filtration and 5 outputting purified water. The purification system firstly uses a resin type particle electrode to conduct catalytic oxidation on difficultly-biodegraded organic matter in the galvanization wastewater, improves the biodegradability of the galvanization wastewater and then performs discharge after microbiological treatment, and the problem of difficult galvanization wastewater treatment is solved.

Description

technical field [0001] The invention belongs to the technical field of wastewater treatment, and in particular relates to a galvanized wastewater purification system and a water purification method which can be used for wastewater treatment. Background technique [0002] The galvanizing process has been widely used in industrial production because of its versatility and wide application, and the resulting galvanizing wastewater has also increased significantly. Galvanizing wastewater is a mixed wastewater containing metal ions and some organic matter produced in the production process of galvanizing industry. If it is allowed to discharge freely, it will pose serious potential risks to the natural ecological environment and human health. A large number of heavy metal ions contained in galvanized wastewater show strong toxicity to animals and plants. Direct discharge into the environment will not only cause irreparable pollution to the ecological environment, but also toxic s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14C02F103/16
CPCC02F1/46114C02F3/34C02F9/00C02F2103/16
Inventor 冯岩巩玉帅于衍真马衍乾宋亭
Owner UNIV OF JINAN