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Cooperative ultrasound and ozone wastewater treatment electrochemical device

A technology of ozone treatment and ozone generation device, applied in the directions of oxidized water/sewage treatment, water/sewage treatment, chemical instruments and methods, etc., can solve the problems of unstable operation, high operating cost, large investment, etc., and shorten the treatment time. , save cost, strengthen the effect of degradation

Inactive Publication Date: 2017-11-24
SOUTHEAST UNIV
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Problems solved by technology

At present, there are many methods for wastewater treatment, but the problems are also very prominent: large investment, low efficiency, high operating costs, unstable operation and other shortcomings

Method used

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  • Cooperative ultrasound and ozone wastewater treatment electrochemical device

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Experimental program
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Effect test

Embodiment 1

[0035] The waste water enters the first reactor 1 through the waste water inlet 101. The volume of the first reactor 1 is 500L, and the waste water with a large number of ozone bubbles in the second reactor 2 circulates into the first reactor 1 through the second circulation port 104. Mix with the newly entered wastewater, the water flow rate is 10t / d, the pulse control unit 401 sets the ultrasonic parameters to 1.00min, turns on the peristaltic pump, 601, turns on the ultrasonic emitting head array 4 in 10 minutes, and controls the setting cycle as a unit.

[0036] The inner volume of the second reactor 2 is 10 L, and the input ozone gas flow rate of the ozone generator 201 is 1 L / min. The wastewater passing through the ozone generator enters into the first reactor 1 again through the second circulation port 104, and is circulated sequentially for wastewater treatment.

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Abstract

The invention relates to a cooperative ultrasound and ozone wastewater treatment electrochemical device, which comprises a first reactor and a second reactor, wherein a sewage treatment cavity is arranged inside the first reactor; an electrochemical device is arranged in the sewage treatment cavity; the bottom of the first reactor is provided with an ultrasound emitting head array; the bottom of the first reactor is communicated with a peristaltic pump pipeline; a peristaltic pump is arranged on the peristaltic pump pipeline; the peristaltic pump pipeline is connected onto the second reactor; an ozone generation device is arranged in the second reactor. The wastewater treatment device provided by the invention has the advantages that the three kinds of treatment methods of ultrasound, ozone and electrochemistry are combined; the cavitation effect of the ultrasound is cooperative with the ozone, so that the oxidation reaction can be easily taken on the gas-liquid surface; the degradation on harmful matters is enhanced; the wastewater treatment capability is stably improved; the treatment time is shortened; the cost is reduced.

Description

technical field [0001] The invention relates to the field of waste water treatment, in particular to an electrochemical device for treating waste water with ultrasound and ozone. Background technique [0002] Water pollution has attracted widespread attention worldwide. The water quality of various natural water resources in my country has deteriorated seriously, and sewage treatment is imperative. At present, there are many methods for wastewater treatment, but the problems are also very prominent: large investment, low efficiency, high operating costs, unstable operation and other shortcomings. [0003] When the liquid is irradiated by ultrasonic waves of a certain intensity, tiny cavitation bubbles will be generated in the solution with a lifespan of about 0.1 μs. In this process, the energy of the sound field is highly concentrated in the tiny cavitation bubbles, and high pressure, high temperature, shock waves, micro jets, Physical and chemical effects such as high en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/08
CPCC02F1/36C02F1/4672C02F1/78C02F9/00
Inventor 戎非王稷吴巍
Owner SOUTHEAST UNIV
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