SHORT COMMUNICATION
Modified Water Hyacinth Biochar as a Low-Cost
Supercapacitor Electrode for Electricity
Generation From Pharmaceutical Wastewater
| 1 | Microbial Fuel Cell and Bioremediation Laboratory, Faculty of Science, Thaksin University, Thailand |
| 2 | Microbial Technology for Agriculture, Food and Environment Research Center, Thaksin University, Thailand |
| 3 | Department of Biotechnology, Faculty of Science, Thaksin University, Thailand |
CORRESPONDING AUTHOR
Submission date: 2022-03-18
Final revision date: 2022-05-26
Acceptance date: 2022-05-26
Online publication date: 2022-09-08
Publication date: 2022-11-03
Pol. J. Environ. Stud. 2022;31(6):5471–5475
KEYWORDS
TOPICS
ABSTRACT
The biochar electrode is an alternative low-cost electrode for electricity generation and wastewater
treatment by the microbial fuel cell (MFC). In this study, the water hyacinth biochar (WHB) was prepared
by pyrolysis at 350ºC and activated by chemical immersion. The activated WHB was integrated with
ceramic-separator MFC (CMFC) and used for the pharmaceutical wastewater (containing 100 μg/mL
penicillin) treatment and electricity generation. The maximal power output and penicillin removal
of 0.032±0.001 W/m2 and 65.12±0.02% were achieved. This study gained new knowledge of using
the WHB electrode coupled with the CMFC for pharmaceutical wastewater treatment and electricity
generation.
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