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Equipment and method for degrading industrial organic wastewater by coupling ultrasonic ozone-microelectrolysis

A technology of organic wastewater and ultrasonic wave, applied in water/sewage treatment equipment, chemical instruments and methods, oxidized water/sewage treatment, etc., can solve the problems of low current efficiency, improve utilization rate, high raw material utilization rate, and strengthen penetration force effect

Inactive Publication Date: 2018-05-08
SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP
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  • Summary
  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, the combined electrocatalytic oxidation water treatment technology cannot fundamentally solve the common problems faced by electrocatalytic water treatment technology, such as low current efficiency and mass transfer limitation.

Method used

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  • Equipment and method for degrading industrial organic wastewater by coupling ultrasonic ozone-microelectrolysis

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1: as figure 1 The equipment for degrading industrial organic wastewater by ultrasonic ozone-micro-electrolysis coupling mainly includes raw water collection pool 1, ultrasonic ozone treatment pool 2, pH adjustment pool 3, micro-electrolysis treatment pool 4, biodegradation pool 5, and adsorption filtration tower 6. Water purification pool 7, waste water treatment device 8 and PLC automatic controller 9; the ultrasonic ozone treatment pool 2 is provided with a membrane module 23, a water inlet 1, and a water outlet 1, and the membrane module 23 is arranged at the water inlet of the ultrasonic ozone treatment pool 2 Between one and water outlet one, an ultrasonic reactor 21 is arranged at the upper end of the ultrasonic ozone treatment pool 2, a plasma ozone generator 22 is arranged at the lower left side of the ultrasonic ozone treatment pool 2, and a reflux device is arranged on the right side of the ultrasonic ozone treatment pool 2 24. The raw water collec...

Embodiment 2

[0029] Embodiment 2: The difference from Example 1 is that the method for degrading industrial organic wastewater with ultrasonic ozone-micro-electrolysis coupling is:

[0030] (1) Ultrasonic ozone treatment: introduce high-concentration organic industrial wastewater into the ultrasonic ozone treatment pool 2, open the ultrasonic reactor 21 to degrade the wastewater by vibration, the ultrasonic vibration frequency is 30KHZ, and the intensity is 10W / cm 2 After 2min, the plasma ozone generator 22 is opened and the plasma ozone mixed gas is blown into the waste water for aeration, the gas-water volume ratio is 2.5:1, and the ultrasonic reactor 21 and the plasma ozone generator 22 are closed after 50 min to obtain the front-end treated waste water; Wherein, the step (1) plasma ozone mixed gas is formed by mixing plasma ozone and air, the plasma ozone comes from the oxygen bottle, and the volume percentage of the plasma ozone is 25%. Tiny bubbles can improve the utilization rate of...

Embodiment 3

[0034] Embodiment 3: The difference from Example 1 is that the method for degrading industrial organic wastewater with ultrasonic ozone-micro-electrolysis coupling is:

[0035] (1) Ultrasonic ozone treatment: introduce high-concentration organic industrial wastewater into the ultrasonic ozone treatment pool 2, open the ultrasonic reactor 21 to degrade the wastewater by vibration, the ultrasonic vibration frequency is 45KHZ, and the intensity is 15W / cm 2 After 3min, the plasma ozone generator 22 is opened and the plasma ozone mixed gas is blown into the wastewater for aeration, the gas-water volume ratio is 3:1, and the ultrasonic reactor 21 and the plasma ozone generator 22 are closed after 60min to obtain the front-end treated wastewater; Wherein, the step (1) plasma ozone mixed gas is formed by mixing plasma ozone and air, and the plasma ozone comes from an oxygen bottle, and the volume percentage of plasma ozone is 35%. Tiny bubbles can improve the utilization rate of ozone...

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Abstract

The invention discloses equipment and a method for degrading industrial organic wastewater by coupling ultrasonic ozone-microelectrolysis. The equipment mainly comprises an ultrasonic ozone treatmenttank, a pH regulating tank, a microelectrolysis treatment tank, a biodegradation tank, an adsorption filtering tower, a wastewater treatment device and a PLC automatic controller, wherein the ultrasonic ozone treatment tank is connected with the pH regulating tank; the pH regulating tank is connected with the microelectrolysis treatment tank; the microelectrolysis treatment tank is connected withthe biodegradation tank; the biodegradation tank is connected with the adsorption filtering tower; the wastewater treatment device is connected with drainage valves of the ultrasonic ozone treatment tank, the pH regulating tank, the microelectrolysis treatment tank and the biodegradation tank; the PLC automatic controller is connected with the electrical installations of the equipment through wires. The method comprises the following steps: ultrasonic ozone treatment, iron-carbon microelectrolysis treatment, biodegradation treatment and wastewater purifying treatment; the treatment process provided by the invention has the characteristic of high efficiency.

Description

technical field [0001] The invention relates to the technical field of wastewater treatment, in particular to a device and method for degrading industrial organic wastewater through ultrasonic ozone-microelectrolysis coupling. Background technique [0002] At present, nearly 50 countries in the world are seriously short of water, and my country is recognized by the United Nations as one of the countries with severe water shortage. However, in our country, tens of billions of tons of sewage that can be used after advanced treatment are discharged without utilization, resulting in a waste of water resources. [0003] As a large water user, chemical plants generally consume millions of cubic meters of fresh water per year, and the water reuse rate is low. At the same time, millions of cubic meters of sewage are discharged, which not only wastes a lot of water resources, but also causes environmental pollution. Shortages have threatened the production of these large industrial ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F101/30
CPCC02F1/001C02F1/28C02F1/302C02F1/36C02F1/46176C02F1/66C02F1/78C02F3/1215C02F3/1263C02F9/00C02F2101/30C02F2201/46105C02F2201/782C02F2203/006C02F2209/005C02F2209/02C02F2209/06C02F2303/04
Inventor 黄报远洪滨
Owner SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP
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