Rotary drum type reaction apparatus for waste water treatment by micro-electrolysis
A reaction device and wastewater treatment technology, applied in water/sewage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve problems such as small power effects, and achieve low power consumption, low operating costs, and convenience. replacement effect
Inactive Publication Date: 2006-06-21
RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
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Problems solved by technology
[0006] The purpose of the present invention is to provide a drum-type micro-electrolysis reaction device for waste water treatment, which can effectively treat refractory organic pollutants in waste water, and with the smallest power action, it has overcome the clogging of the reaction column, iron The problem of chip agglomeration can be easily replaced at the same time
Method used
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Embodiment 1
[0018] Weak acid red B azo dye simulated wastewater, initial concentration 1700mg / L, pH3.39, rotation speed 15rpm, after 180min of treatment, COD removal rate was 86.5%, chroma removal rate was 98.21%.
Embodiment 2
[0020] Weak acid red B azo dye simulated wastewater, initial concentration 1004mg / L, pH 5.51, rotation speed 15rpm, after 180min of treatment, COD removal rate was 62.26%, chroma removal rate was 83.72%.
Embodiment 3
[0022] Acid orange II azo dye simulated wastewater, initial concentration 1000mg / L, pH 4.99, rotation speed 14rpm, after 180min of treatment, the removal rate of COD was 57.53%, and the removal rate of chroma was 62.93%.
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Abstract
A continuous rotating drum device of microelectrolyzing wastewater, belonging to a psychico-chemical treating device for degrading or removing the organic pollutant in wastewater. The main body of the device is a reacting pool and a continuous rotating drum placed horizontally in the pool, a baffle board is instilled in the continuous rotating drum, separating which into several parts, uniformly mixed iron scurf and activated charcoal is filled in the continuous rotating drum, the continuous rotating drum is anchored by adjustable speed motor. The rotary motion of the rotating drum makes the microelectrolyzing electrical field formed by the place of between the iron scurf and activated charcoal and iron charcoalf occur dural shift, which prevents the iron charcoal bed from clogging and lumping effectively. The device is characterized by the simple and rational structure, low producing cost, safe and simple operation and low running cost, which can be widely used to treat the non-degradable organic pollutant in wastewater and increase the wastewater biochemical property. The COD of textile dye waste clearance by using the device is high.
Description
1. Technical field [0001] The invention relates to a treatment device for industrial waste water and domestic sewage, especially a treatment device for colored and refractory biodegradable organic pollutants. 2. Background technology [0002] For the treatment of colored and refractory industrial wastewater, ordinary biological treatment often fails to achieve the expected results, and now it is common to increase pretreatment measures before biological treatment. Iron chip micro-electrolysis, also known as internal electrolysis, is an important pretreatment method in wastewater treatment. [0003] Iron scrap micro-electrolysis is a wastewater treatment method that integrates electrolysis, coagulation, electrocoagulation, adsorption and other physical and chemical effects. Through iron filings, a potential difference is formed between the high potential of iron in the aqueous solution and the low potential of carbon in it, producing countless tiny primary batteries, and the...
Claims
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IPC IPC(8): C02F1/461
Inventor 曲久辉刘海宁刘会娟雷鹏举葛建团
Owner RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
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