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Effective hydrogen production using waste sludge and its filtrate

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  • Guo, Liang
  • Li, Xiao-Ming
  • Zeng, Guang-Ming
  • Zhou, Yi

Abstract

Waste activated sludge from a wastewater treatment plant is rich in polysaccharides and proteins and thus is a potential substrate for producing hydrogen. In this study, the hydrogen yield could be largely enhanced by using filtrates of waste sludge. The hydrogen yield was effectively increased from 1.34mg H2/gTCOD (waste sludge) to 4.44mg H2/gTCOD (filtrate). The changes of nutrients such as SCOD, protein and carbohydrate in sludge and its filtrate during fermentation have obviously diversity. It implied that the nutrients could be further released from the solid phase of the sludge during fermentation. In addition, the fermentation of the sludge was advantageous for releasing nutrients, but the H2 production might be lower at high substrate concentrations as a result of the inhibition products formed during hydrogen production. Therefore, the solid phase of waste sludge could not be utilized by the anaerobes as nutrient and it might absorb certain products, release toxic metals or deliver toxic substances during fermentation. The changes of pH indicated that conditions were favorable for hydrogen production from the filtrate. The 16S rRNA gene sequence, phylogenetic and biochemical character analyses demonstrated that strain GZ1 was a new strain of Pseudomonas and suitable for hydrogen production.

Suggested Citation

  • Guo, Liang & Li, Xiao-Ming & Zeng, Guang-Ming & Zhou, Yi, 2010. "Effective hydrogen production using waste sludge and its filtrate," Energy, Elsevier, vol. 35(9), pages 3557-3562.
    • Handle: RePEc:eee:energy:v:35:y:2010:i:9:p:3557-3562
    DOI: 10.1016/j.energy.2010.04.005
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    Cited by:

    1. Prabakar, Desika & Manimudi, Varshini T. & Suvetha K, Subha & Sampath, Swetha & Mahapatra, Durga Madhab & Rajendran, Karthik & Pugazhendhi, Arivalagan, 2018. "Advanced biohydrogen production using pretreated industrial waste: Outlook and prospects," Renewable and Sustainable Energy Reviews, Elsevier, vol. 96(C), pages 306-324.
    2. Justyna Swiatkiewicz & Radoslaw Slezak & Liliana Krzystek & Stanislaw Ledakowicz, 2021. "Production of Volatile Fatty Acids in a Semi-Continuous Dark Fermentation of Kitchen Waste: Impact of Organic Loading Rate and Hydraulic Retention Time," Energies, MDPI, vol. 14(11), pages 1-18, May.
    3. Wang, Shuofeng & Ji, Changwei & Zhang, Jian & Zhang, Bo, 2011. "Comparison of the performance of a spark-ignited gasoline engine blended with hydrogen and hydrogen–oxygen mixtures," Energy, Elsevier, vol. 36(10), pages 5832-5837.
    4. Hwang, Jae-Hoon & Kabra, Akhil N. & Kim, Jung Rae & Jeon, Byong-Hun, 2014. "Photoheterotrophic microalgal hydrogen production using acetate- and butyrate-rich wastewater effluent," Energy, Elsevier, vol. 78(C), pages 887-894.
    5. Stanislaus, Mishma S. & Zhang, Nan & Zhao, Chenyu & Zhu, Qi & Li, Dawei & Yang, Yingnan, 2017. "Ipomoea aquatica as a new substrate for enhanced biohydrogen production by using digested sludge as inoculum," Energy, Elsevier, vol. 118(C), pages 264-271.
    6. Xia, Ao & Cheng, Jun & Lin, Richen & Ding, Lingkan & Zhou, Junhu & Cen, Kefa, 2013. "Combination of hydrogen fermentation and methanogenesis to enhance energy conversion efficiency from trehalose," Energy, Elsevier, vol. 55(C), pages 631-637.
    7. Morsy, Fatthy Mohamed & Ibrahim, Samir Hag, 2016. "Concomitant hydrolysis of sucrose by the long half-life time yeast invertase and hydrogen production by the hydrogen over-producing Escherichia coli HD701," Energy, Elsevier, vol. 109(C), pages 412-419.
    8. Xia, Ao & Cheng, Jun & Ding, Lingkan & Lin, Richen & Song, Wenlu & Zhou, Junhu & Cen, Kefa, 2014. "Effects of changes in microbial community on the fermentative production of hydrogen and soluble metabolites from Chlorella pyrenoidosa biomass in semi-continuous operation," Energy, Elsevier, vol. 68(C), pages 982-988.

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