Electricity generation using high concentration terephthalic acid solution by microbial fuel cell

Ye Jie Ye, Tian Shun Song, Yuan Xu, Ying Wen Chen, She Min Zhu, Shu Bao Shen

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The high concentration terephthalic acid (TA) solution as the substrate of microbial fuel cell(MFC) was studied to generate electricity. The open circuit voltage was 0.54 V after inoculating for 210 h with anaerobic activated sludge, which proved that TA can be the substrate of microbial fuel cell to generate electricity. The influence of pH and substrate concentration on generating electricity was studied deeply. The voltage output of external resistance(R = 1000 H) was the highest when pH was 8.0. It increased as the substrate concentration increasing and tended towards a maximum value. The maximum voltage output Umax was 0.5 V and K8 was 785.2 mg/L by Monod equation regression. When the substrate concentration (according to COD) was 4000 mg/L, the maximum power density was 96.3 mW/m2, coulomb efficiency was 2.66% and COD removal rate was 80.3%.

Original languageEnglish
Pages (from-to)1221-1226
Number of pages6
JournalHuanjing Kexue/Environmental Science
Volume30
Issue number4
StatePublished - Apr 2009

Keywords

  • Electrogenesis
  • Microbial fuel cell (MFC)
  • Single-chamber
  • Terephthalic acid(TA)

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