Development of MFC using sulphonated polyether ether ketone (SPEEK) membrane for electricity generation from waste water
2011
Ayyaru, Sivasankaran | Dharmalingam, Sangeetha
Polyether ether ketone was sulphonated polyether ether ketone (SPEEK) and utilized as a proton exchange membrane (PEM) in a single chamber MFC (SCMFC). The SPEEK was compared with Nafion® 117 in the SCMFC using Escherichia coli. The MFC with the SPEEK membrane produced 55.2% higher power density than Nafion® 117. The oxygen mass transfer coefficient (KO) for SPEEK and Nafion® 117 was estimated to be 2.4×10⁻⁶cm/s and 1.6×10⁻⁵cm/s, respectively resulting in reduced substrate loss and increased columbic efficiency (CE) in the case of SPEEK. When the dairy and domestic waste water was treated in SPEEK–SCMFC, fitted with a membrane electrode assembly (MEA), a higher maximum power density was obtained for dairy waste water (5.7W/m³). The results of this study indicate that SPEEK membrane has the potential to greatly enhance the efficiency of MFCs.
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