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Study on Removal of Colored Organics in Paper-making Wastewater by Electroflocculation and Electrocatalytic Oxidation Methods

Author: WangZhiJiang
Tutor: Chen??
School: Guangxi University
Course: Applied Chemistry
Keywords: Electroflocculation Iron electrode Aluminum electrode Electrocatalytic oxidation Nickel Doped SnO2 electrodes Paper Wastewater
CLC: X793
Type: Master's thesis
Year: 2003
Downloads: 456
Quote: 3
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Abstract


In recent decades, electrochemical methods in the application of environmental pollution has been widespread concern. Electro-coagulation method has been part of the industrial wastewater treatment has been applied. For as \This thesis paper to remove high concentrations of water-soluble colored wastewater organic matter for the purpose of research work carried out as follows : 1 , examines the impact of iron and aluminum anodized treatment of wastewater flocculation effect of the main factors . 2 , preliminary evaluation of a part of the transition metal ion doped PbO 2 and SnO 2 electrocatalytic oxidation efficiency. This thesis mainly obtained the following conclusions : 1. Affect iron and aluminum anodized colored wastewater flocculation Paper organics removal is a major factor through electricity and wastewater pH. In the optimal processing conditions, iron and aluminum anodized colored flocculation in wastewater with high organic matter removal . For the iron electrode , Q s % = 78.6%, Q c % = 64.5%; For aluminum electrodes , Q s % = 62.2%; Q c % = 58.0%. 2 . Doped Nickel can effectively improve the SnO 2 Electrode oxidation efficiency of the nickel content of 4.0% (wt.%), SnO 2 efficient oxidation electrode , influence of nickel -doped SnO 2 electrocatalysis oxidation efficiency is a major factor through charge and current densities .

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CLC: > Environmental science, safety science > Processing and comprehensive utilization of waste > Light industrial waste disposal and comprehensive utilization > Paper Industry
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