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首页> 外文期刊>Biomass & bioenergy >Assessment of a novel single-stage integrated dark fermentation-microbial fuel cell system coupled to proton-exchange membrane fuel cell to generate bio-hydrogen and recover electricity from wastewater
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Assessment of a novel single-stage integrated dark fermentation-microbial fuel cell system coupled to proton-exchange membrane fuel cell to generate bio-hydrogen and recover electricity from wastewater

机译：评估新型单级综合黑发酵 - 微生物燃料电池系统，其耦合到质子 - 交换膜燃料电池，产生生物氢，从废水中回收电力

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摘要

The production of bio-hydrogen and bio-electricity from biological processes has become a relevant scientific subject in recent years, given that renewable energy can be obtained from organic substrate. Dark fermentation (DF), and microbial electrolysis cells (MECs) have been used to produce bio-hydrogen. In this study, a novel integrated single-stage DF-Microbial fuel cells (MFCs) system was developed to generate bio-hydrogen and electricity simultaneously from wastewater treatment. A proton-exchange membrane fuel cell (PEMFC) was used to produce electricity from the bio-hydrogen gas generated by the integrated system. The effect of hydraulic retention time (HRT) on the bio-hydrogen production and electricity generation was examined. The maximum volumetric bio-hydrogen production rate (VHPR) was 0.44 L H_2/L.d (0.66 L H_2/g COD_(removed)), simultaneously obtaining an electricity production of 530 mV (100 mW/m~2) at a HRT of 8 d. According to the 16S rRNA gene-based analysis, the microorganisms identified on the anode of the integrated system were: Chryseobacterium, Azotobacter, Bacillus, Enterococcus, Ctirobacter, and Methanobacterium. The PEMFC employed to generate voltage using the bio-hydrogen generated from the integrated system was able to produce a maximum voltage of 459 mV (367 mW), with a maximum cell efficiency of 44% (fuel usage of 1.5 × 10~(-5) mol/h).
机译：近年来，生物氢和生物电力的生物氢和生物电力的产生已成为一种相关的科学主题，因为可再生能源可以从有机基质获得。暗发酵（DF）和微生物电解细胞（MEC）已用于产生生物氢。在该研究中，开发了一种新的集成单级DF微生物燃料电池（MFCS）系统，以产生从废水处理中产生生物氢和电力。质子交换膜燃料电池（PEMFC）用于产生由集成系统产生的生物氢气的电力。检查了液压保留时间（HRT）对生物氢生产和发电的影响。最大体积生物氢气生产率（VHPR）为0.44LH_2 / LD（0.66LH_2 / G COD_（除去）），同时在8的HRT下获得530mV（100mW / m〜2）的电力产量天。根据16S rRNA基因的分析，综合系统阳极鉴定的微生物是：菊弧菌，斑曲杆菌，芽孢杆菌，肠球菌，细胞杆菌和甲基杆菌。用于使用从集成系统产生的生物氢产生电压的PEMFC能够产生459mV（367mW）的最大电压，最大电池效率为44％（燃料使用1.5×10〜（ - 5） ）mol / h）。

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  • 来源
    《Biomass & bioenergy》 |2021年第4期|106016.1-106016.12|共12页
  • 作者

    Edson Baltazar Estrada-Arriaga; Jesus Hernandez-Romano; Petia Mijaylova-Nacheva; Tania Gutierrez-Macias; Cornelio Morales-Morales;

  • 作者单位

    Subcoordinacion de Tratamiento de Aguas Residuales Institute Mexicano de Tecnologia del Agua Paseo Cuauhnahuac 8532 Progreso Jiutepec Morelos C.P. 62550 Mexico;

    Universidad Politecnica del Estado de Morelos Paseo Cuauhnahuac 566 Lomas del Texcal Jiutepec Morelos 62550 Mexico;

    Subcoordinacion de Tratamiento de Aguas Residuales Institute Mexicano de Tecnologia del Agua Paseo Cuauhnahuac 8532 Progreso Jiutepec Morelos C.P. 62550 Mexico;

    Consejo National de Ciencia y Tecnologia-Instituto Mexicano de Tecnologia del Agua Paseo Cuauhnahuac 8532 Progreso Jiutepec Morelos C.P. 62550 Mexico;

    Departamento de Ingenieria Electronica-Mecatronica Tecnologico National de Mexico Institute Tecnologico de Cuautla Libramiento Cuautla-Oaxaca S/N Juan Morales 62745 Cuautla Morelos Mexico;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Electricity; Bio-hydrogen; Dark fermentation; Microbial fuel cells; Proton-exchange membrane fuel cell;

    机译：电;生物氢;黑暗发酵;微生物燃料电池;质子交换膜燃料电池;

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