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    Bismuth-Impregnated Ruthenium with Activated Carbon as Photocathode Catalyst to Proliferate the Efficacy of a Microbial Fuel Cell

    Source: Journal of Hazardous, Toxic, and Radioactive Waste:;2021:;Volume ( 025 ):;issue: 001::page 04020066
    Author:
    Gourav Dhar Bhowmick
    ,
    Sovik Das
    ,
    Koushik Adhikary
    ,
    Makarand Madhao Ghangrekar
    ,
    Arunabha Mitra
    DOI: 10.1061/(ASCE)HZ.2153-5515.0000565
    Publisher: ASCE
    Abstract: Ruthenium (Ru) was impregnated with bismuth (Bi) to reduce the spectrum demand for the excitation of Ru to employ it as photocathode catalyst (Bi-Ru) in a microbial fuel cell (MFC) to ameliorate its power output in the presence of visible spectrum. The coulombic efficiency (CE) and power density of an MFC with Bi–Ru (MFC–BiRu) were 26.7 ± 0.8% and 10.0 ± 0.5 W/m3, respectively, which were two and six times higher than the control MFC that was operated without any cathode catalyst. Moreover, the CE and power density of the MFC–BiRu was 12.5% and 22% higher than the MFC that was operated with platinum (MFC–Pt) as the cathode catalyst (24.0 ± 0.7% and 8.2 ± 0.4 W/m3, respectively). Furthermore, the chemical oxygen demand (COD) removal efficiency and net energy recovery (NER) of MFC–BiRu were 91.8 ± 1.5% and 722 W-h/m3, which was almost 10% and 1.8 times higher than the MFC–Pt, respectively. Therefore, the results illustrated that Bi–Ru could be a plausible alternative to replace Pt as a cathode catalyst; therefore, rendering the field-scale application of MFC.
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      Bismuth-Impregnated Ruthenium with Activated Carbon as Photocathode Catalyst to Proliferate the Efficacy of a Microbial Fuel Cell

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    contributor authorGourav Dhar Bhowmick
    contributor authorSovik Das
    contributor authorKoushik Adhikary
    contributor authorMakarand Madhao Ghangrekar
    contributor authorArunabha Mitra
    date accessioned2022-01-30T22:38:54Z
    date available2022-01-30T22:38:54Z
    date issued1/1/2021
    identifier other(ASCE)HZ.2153-5515.0000565.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4269341
    description abstractRuthenium (Ru) was impregnated with bismuth (Bi) to reduce the spectrum demand for the excitation of Ru to employ it as photocathode catalyst (Bi-Ru) in a microbial fuel cell (MFC) to ameliorate its power output in the presence of visible spectrum. The coulombic efficiency (CE) and power density of an MFC with Bi–Ru (MFC–BiRu) were 26.7 ± 0.8% and 10.0 ± 0.5 W/m3, respectively, which were two and six times higher than the control MFC that was operated without any cathode catalyst. Moreover, the CE and power density of the MFC–BiRu was 12.5% and 22% higher than the MFC that was operated with platinum (MFC–Pt) as the cathode catalyst (24.0 ± 0.7% and 8.2 ± 0.4 W/m3, respectively). Furthermore, the chemical oxygen demand (COD) removal efficiency and net energy recovery (NER) of MFC–BiRu were 91.8 ± 1.5% and 722 W-h/m3, which was almost 10% and 1.8 times higher than the MFC–Pt, respectively. Therefore, the results illustrated that Bi–Ru could be a plausible alternative to replace Pt as a cathode catalyst; therefore, rendering the field-scale application of MFC.
    publisherASCE
    titleBismuth-Impregnated Ruthenium with Activated Carbon as Photocathode Catalyst to Proliferate the Efficacy of a Microbial Fuel Cell
    typeJournal Paper
    journal volume25
    journal issue1
    journal titleJournal of Hazardous, Toxic, and Radioactive Waste
    identifier doi10.1061/(ASCE)HZ.2153-5515.0000565
    journal fristpage04020066
    journal lastpage04020066-9
    page9
    treeJournal of Hazardous, Toxic, and Radioactive Waste:;2021:;Volume ( 025 ):;issue: 001
    contenttypeFulltext
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