TY - JOUR
T1 - Assessment of a metal–organic framework catalyst in air cathode microbial fuel cells over time with different buffers and solutions
AU - Rossi, Ruggero
AU - Yang, Wulin
AU - Setti, Leonardo
AU - Logan, Bruce E.
N1 - Publisher Copyright:
© 2017 Elsevier Ltd
PY - 2017
Y1 - 2017
N2 - Metal–organic framework (MOF) on activated carbon (AC) enhanced the performance of cathodes but longevity needs to be considered in the presence of metal chelators or ligands, such as phosphate, present in wastewaters. MOF catalysts on AC initially produced 2.78 ± 0.08 W m−2, but power decreased by 26% after eight weeks in microbial fuel cells using a 50 mM phosphate buffer (PBS) and acetate due to decreased cathode performance. However, power was still 41% larger than that of the control AC (no MOF). Power generation using domestic wastewater was initially 0.73 ± 0.01 W m−2, and decreased by 21% over time, with power 53% larger than previous reports, although changes in wastewater composition were a factor in performance. Adding phosphate salts to the wastewater did not affect the catalyst performance over time. While MOF catalysts are therefore initially adversely affected by chelators, performance remains enhanced compared to plain AC.
AB - Metal–organic framework (MOF) on activated carbon (AC) enhanced the performance of cathodes but longevity needs to be considered in the presence of metal chelators or ligands, such as phosphate, present in wastewaters. MOF catalysts on AC initially produced 2.78 ± 0.08 W m−2, but power decreased by 26% after eight weeks in microbial fuel cells using a 50 mM phosphate buffer (PBS) and acetate due to decreased cathode performance. However, power was still 41% larger than that of the control AC (no MOF). Power generation using domestic wastewater was initially 0.73 ± 0.01 W m−2, and decreased by 21% over time, with power 53% larger than previous reports, although changes in wastewater composition were a factor in performance. Adding phosphate salts to the wastewater did not affect the catalyst performance over time. While MOF catalysts are therefore initially adversely affected by chelators, performance remains enhanced compared to plain AC.
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U2 - 10.1016/j.biortech.2017.02.105
DO - 10.1016/j.biortech.2017.02.105
M3 - Article
C2 - 28288433
AN - SCOPUS:85014808531
SN - 0960-8524
VL - 233
SP - 399
EP - 405
JO - Bioresource technology
JF - Bioresource technology
ER -