In this paper,the layer-by-layer assembled polydimethyl diallyl ammonium chloride(PDADMAC),poly sodium-p-styrene sulfonate(PSS)and α-Fe_(2)O_(3) modified carbon cloth(CC),nitric acid activated CC,blank CC were used a...In this paper,the layer-by-layer assembled polydimethyl diallyl ammonium chloride(PDADMAC),poly sodium-p-styrene sulfonate(PSS)and α-Fe_(2)O_(3) modified carbon cloth(CC),nitric acid activated CC,blank CC were used as anodes in two-chamber microbial fuel cell(MFC)for dealing with food wastewater.The electricity production of microbial fuel cell increased dramatically after modification of the anode.When four double layers of PDADMAC and PSS and one layer α-Fe_(2)O_(3) was assembled on CC(CC/(PDADMAC/PSS)4/α-Fe_(2)O_(3)),the highest current 0.48 mA and the highest power density 0.285 W/m2 were obtained.The electrode process of CC/(PDADMAC/PSS)4/α-Fe_(2)O_(3) anode in MFC was controlled by the electron production step,while the blank CC anode was an electron diversion-controlled process.The high electricity production of nitric acid treated CC anode in MFC was due to the amino group after activation,which made microbes easy to anchor on the anode surface.The effect of polyelectrolytes and α-Fe_(2)O_(3) on the performance improvement of MFC was due to both physical and chemical properties of the anode surface.展开更多
基金the national key research and development project of China(2018YFB2003700)the Major Project of Ministry of Industry and Information Technology:“Research and Test Verification of Key Technologies Standards for Integration of Time Sensitive Network(TSN)and Object Link and Embedded Unified Architecture(OPC UA)for Industrial Control”,the fifth regular meeting of science and technology cooperation between China and Macedonia(5-5)Key Project of Liaoning Natural Science Foundation(20170540724).
文摘In this paper,the layer-by-layer assembled polydimethyl diallyl ammonium chloride(PDADMAC),poly sodium-p-styrene sulfonate(PSS)and α-Fe_(2)O_(3) modified carbon cloth(CC),nitric acid activated CC,blank CC were used as anodes in two-chamber microbial fuel cell(MFC)for dealing with food wastewater.The electricity production of microbial fuel cell increased dramatically after modification of the anode.When four double layers of PDADMAC and PSS and one layer α-Fe_(2)O_(3) was assembled on CC(CC/(PDADMAC/PSS)4/α-Fe_(2)O_(3)),the highest current 0.48 mA and the highest power density 0.285 W/m2 were obtained.The electrode process of CC/(PDADMAC/PSS)4/α-Fe_(2)O_(3) anode in MFC was controlled by the electron production step,while the blank CC anode was an electron diversion-controlled process.The high electricity production of nitric acid treated CC anode in MFC was due to the amino group after activation,which made microbes easy to anchor on the anode surface.The effect of polyelectrolytes and α-Fe_(2)O_(3) on the performance improvement of MFC was due to both physical and chemical properties of the anode surface.
