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| KeyWords: stainless steel net, membrane modification, biological electrochemical, membrane bioreactor, wastewater treatment |
| ClassificationCode:TG142.71/TF764+.1/TG506.7+1 |
| year,volume(issue):pagination: 2015, 35(5):30-34 |
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Abstract: |
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Hydrophilic membrane materials and their functionalization is a hot spot in the field of membrane material and membrane pollution control.Although the metal film has high flux and small pressure drop,it has good electrical conductivity.So as cathode film of coupling biological electricity production system and membrane separation system is very suitable,the coupling system are new system of wastewater treatment.According to growing MnO2autochthonously in the stainless steel wire mesh and forming polypyrrole (PPy) in the way of electrochemical aggregation,modifing the nature of stainless steel wire mesh. The results show that the method not only narrow stainless steel wire mesh aperture, to achieve higher filtering accuracy;But also improve Production performancethe as a cathode electrode of biological electrochemical system, to improve water treatment efficiency and production performance of the wastewater treatment system which is coupling membrane bioreactor and biological electrochemical electricity production.The study also found, using a combination of activated carbon and modified stainless steel wire mesh form the higher activity as the composite cathode, can further improve the production performance of the coupling system, the largest producing electrical power density is 1.9 W/m3, effluent water quality is also improved. |
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[1]Le-ClechP,ChenV,TAG Fane.Fouling in membrane bioreactors used in wastewater treatment.[J] . MembrSci, |
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