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Device and method for purifying organic wastewater by nano-aeration iron-carbon micro-electrolysis

A technology of iron-carbon micro-electrolysis and nano-aeration, applied in chemical instruments and methods, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc., can solve sensory pollution, anoxic or even anaerobic, Harmful to human health and other issues, to achieve the effect of increasing the gas-liquid contact area, slow rising speed, and improving biodegradability

Active Publication Date: 2014-12-24
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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  • Application Information

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Problems solved by technology

[0003] Due to biodegradation, organic wastewater will make the receiving water anoxic or even anaerobic, and most aquatic organisms will die, resulting in stench, deteriorating water quality and environment
The second is sensory pollution: organic wastewater not only makes the water lose its use value, but also seriously affects the normal life of people near the water
The third is toxicity hazards: ultra-organic wastewater contains a large amount of toxic organic substances, which will accumulate and store in natural environments such as water bodies and soils, and finally enter the human body, endangering human health

Method used

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  • Device and method for purifying organic wastewater by nano-aeration iron-carbon micro-electrolysis

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Embodiment Construction

[0028] The device for purifying refractory organic wastewater by nano-aeration iron-carbon micro-electrolysis provided by the invention can efficiently improve the biodegradability of sewage and perform advanced treatment on it.

[0029] see figure 1 , the nano-aeration iron-carbon micro-electrolysis device for purifying organic wastewater provided by the invention, its main structure includes:

[0030] The bottom of the nano-micro electrolytic cell 1 is provided with a mud discharge hole 40, and an agitator 42 is arranged above the mud discharge hole 40, and a nano aeration plate 1 is arranged above the agitator 42 to form an aeration section; a steel mesh is arranged above the aeration section The upper part of the steel mesh is filled with iron-carbon filler 2 to form a micro-electrolysis section; the upper part of the micro-electrolysis section is a water outlet section, and the supernatant is exported to the aerobic biofilm reactor 6 through the overflow weir of the water...

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Abstract

The invention provides a device for purifying organic wastewater by nano-aeration iron-carbon micro-electrolysis. The device mainly comprises a nano-micro-electrolytic tank, an aerobiotic biomembrane reactor, a nano-aeration agglomeration-micro-vortex flocculation device and a three-level backflush screening device. The invention further discloses a method for treating sewage by utilizing the device. The device has the advantages of wide application range, high reacting speed, simple process flow, long service life, little investment cost, low operation cost, stable treatment effect and high effluent quality transparency, and is convenient to operate and maintain.

Description

technical field [0001] The invention relates to a process for improving the biodegradability of sewage and performing advanced treatment on it, and more specifically relates to a device for purifying refractory organic waste water by nano-aeration iron-carbon micro-electrolysis. [0002] The invention also relates to a method for treating refractory organic wastewater by using the above-mentioned device. Background technique [0003] Due to biodegradation, organic wastewater will make the receiving water anoxic or even anaerobic, and most aquatic organisms will die, resulting in stench, deteriorating water quality and environment. The second is sensory pollution: organic wastewater not only makes the water lose its use value, but also seriously affects the normal life of people near the water. The third is toxicity hazards: ultra-organic wastewater contains a large amount of toxic organic substances, which will continue to accumulate and store in natural environments such a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
Inventor 席北斗王雷何小松张列宇李丹赵颖夏训峰李曹乐
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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