| dc.description.abstract | The purpose of this thesis is to investigate the efficiency of double-chambered
Microbial Fuel Cells (MFCs) with Biocathodes in synthetic wastewater treatment
with different concentrations of nitrate and phosphate. The effect of cathode
influent nitrate and phosphate concentrations of biocathode on the efficiency of
power generation and wastewater treatment was investigated. Glucose was used
as a readily biodegradable source of carbon and electron donor for the
microorganisms in anodic chamber, equivalent to 2300 mg COD/ L. The
efficiency of biocathode MFC was evaluated for about 9 weeks. The highest
removal efficiency of Chemical Oxygen Demand (COD) was 56 percent, that of
nitrate-nitrogen and phosphate-phosphorus concentrations are 36 percent and 58
percent, respectively, and they are slightly influenced by the varying
concentrations of nitrate. However, the efficiency of electricity generation was
significantly affected by increased concentration of phosphate. At the maximum
influent phosphate concentration of 800 mg P-PO4/L, the electric potential
reached the lowest value of 453 mV. In addition, the rising concentration of
nitrate from 75 mg N-NO3/ L to 100 mg N-NO3/ L increased the electric potential
to 769 mV of the maximum value. | en_US |
