Abstract:

The doublechamber microbial fuel cell (DCMFC) with landfill leachate from some refuse dump of Siping City of Jilin Province as fuel was designed in the  system with the bacteria in the titanium anode chamber separated from the titanium cathode chamber by a salt bridge. The effects of cathode chamber solution parameters on the electricity generation performance of DCMFC were
 researched. The results show that the DCMFC output power density is 12.074 W/m², opencircuit voltage is 1.13 V, internal resistance is 76.868 Ω under cathode chamber solution optimum conditions of 30 ℃, 1.0 g/L  H₂O₂, pH=2.5, and 0.5 g/L  Na₂SO₄. After the DCMFC was continuously running for 30 days, the COD removal rate of landfill leachate reached to 95%, the adjust of cathode chamber operational parameters can improve the microbial fuel cell electricit generation.

Key words: microbial fuel cells； landfill leachate； , output power density； opencircuit volt