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作品数:1 被引量:7H指数:1
供职机构:浙江工商大学环境科学与工程学院更多>>
发文基金:浙江省自然科学基金国家自然科学基金更多>>
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吸附-电催化联合处理苯酚废水及动力学被引量:7
2010年
By combined electrocatalysis and adsorption method the degradation of wastewater containing phenol was investigated.The influences of current intensity on the removal of chemical oxygen demand(CODCr),average current efficiency and energy consumption were studied.The results showed that high current density was favorable for removal of CODCr.Considering the average current efficiency and energy consumption,current of 0.6 A was chosen to be the suitable current intensity.Electrolyte could remarkably affect the removal of phenol.NaCl exhibited more significant promotion on CODCr removal than Na2SO4.Activated carbon fiber,based on its adsorption and electrochemical character,was used as cathode material to degrade the phenol.It was found that the removal rate of CODCr could reach 90% after 10 min treatment by the combination of adsorption and electrocatalysis.The adsorption equilibrium of phenol on activated carbon fiber was coincident with Freundlich isotherm.A kinetic model for CODCr removal was established based on the adsorption and electrocatalysis process.The agreement of model prediction and the experimental data was well.The parameter predicted from the kinetic model showed that the adsorption process made more contribution to CODCr removal than electrocatalysis.
丛燕青伏芳霞马香娟黄文英任华海丁梦婕张荣荣
关键词:电催化活性炭纤维苯酚动力学
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