由於已知二氧化三鐵（Fe2O3）對催化劑的光化學反應具有良好的
影響，因此本研究一針對生物-電-芬頓微生物燃料電池使用三種不同
鍛燒溫度(500, 700, 900°C)來增強陰極光催化還原處理有機廢水。其
觀察到陰極電極材料中二氧化三鐵的最佳煅燒溫度為 500°C，產生最
大功率密度為 52.5 mW/m2，而陰極含油廢水的化學需氧量於一小時
其降解率達到 99.3%。
然而，光催化反應下的高溫環境會影響微生物的生長與代謝作用，
所以改用金屬氧化物四氧化三鐵和二氧化鈰觸媒對氧氣還原反應和
空缺結構具有良好的作用，實驗中通過多層製程將觸媒噴塗於極板
(碳布)修飾改善氧氣還原反應，再結合酵素與觸媒其具有較薄的生物
膜生成和晶格上的氧空位/缺陷位點，所有目的都是達到低成本且有
效處理有機廢水效益。
在這二項研究中，分別以四氧化三鐵觸媒提高廢水降解和混合型
酵素-觸媒(四氧化三鐵+二氧化鈰)微生物燃料電池的功率性能做協同
作用優化試驗。最後此兩反應器的化學需氧量去除效率分別為 78%
和 65%；其最大功率密度分別為: 1.57 W/m3、 325.4 mW/m2 於 216 和
384 小時。這種混合型酵素-觸媒微生物燃料電池將來可以有效地應
用於相關替代綠色能源的生產技術和生物電化學系統。

Due to the fact that iron oxide (Fe2O3) is known to have a good
performance on the photochemical reaction of catalysts, an investigation
in the study one of the enhancement of the degradation performance of bio
electro-Fenton microbial fuel cells (Bio-E-Fenton MFCs) was carried out
using three different calcination temperature (500, 700, 900°C) to enhance
cathodic photocatalytic reduction of organic wastewater treatment. An
optimal calcination temperature of 500 °C for Fe2O3 in the electrode
material of the cathode was observed to produce a maximum power density
of 52.5 mW/m2 and a chemical oxygen demand (COD) degradation rate of
oily wastewater (catholyte) of 99.3% within one hour of operation.
However, the high temperature environment under the photocatalytic
reaction will affect the growth and metabolism of microorganisms.
Therefore, metal oxides (Fe3O4 and CeO2) are used instead of Fe2O3
catalyst. Metal oxides (Fe3O4 and CeO2) of are knowns to have a good
effect on the oxygen reduction reaction (ORR) of catalysts. It was
fabricated by modification of electrodes using multi-processing by
spraying of nitrogen-doped carbon (NDC)/CeO2/Fe3O4 catalysts. By
combining enzymes and catalysts, it has thinner biofilm formation and the
IV

oxygen vacancies / defect sites on the crystal lattice. All aims are to achieve
cost-effectiveness and effective treatment of organic wastewater.
The investigations in these two studies, the synergistic optimization
test were conducted with Fe3O4 catalysts to improve wastewater
degradation and the power performance of mixed enzyme-catalyst (Fe3O4
+ CeO2) of microbial fuel cells. Finally, the efficiency of chemical oxygen
demand (COD) removal of two reactors was 78% and 65% with maximum
power density of 1.57 W/m3, 325.4 mW/m2 in 216 and 384 h, respectively.
This hybrid type of enzyme-catalyst MFC can be effectively applied in
related alternative green energy production techniques and bio
electrochemical systems in the future.

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