Anaerobic Biohydrogen Production by the Mixed Culture with Mesoporous Fe3O4 Nanoparticles Activation

Wei Zhao; Jie Zhao; Guo Dong Chen; Rui Feng; Jian Yang; Yan Fang Zhao; Qin Wei; Bin Du; Yong Fang Zhang

doi:10.4028/www.scientific.net/AMR.306-307.1528

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 306-307Anaerobic Biohydrogen Production by the Mixed...

Anaerobic Biohydrogen Production by the Mixed Culture with Mesoporous Fe₃O₄ Nanoparticles Activation

Abstract:

It was the first time to study the catalytic effect of mesoporous magnetic Fe₃O₄ nanoparticles on the biohydrogen production. The mixed culture used in this study just suffered from an alkaline shock and lost its bioactivity of hydrogen production. We use mesoporous Fe₃O₄ nanoparticles and ferrous ions as activators to recover the bioactivity of the mixed culture. The results indicate that the improvement of biohydrogen yield by mesoporous Fe₃O₄ was obvious larger than that by ferrous ions. The maximum yield of cumulative hydrogen production was obtained at the mesoporous Fe₃O₄ nanoparticles of 400 mg·L^-1, which is 26% higher than that of the blank. The lag phases for hydrogen production in the tests added with mesoporous Fe₃O₄ nanoparticles were decreased to 12 h, which are 50 h less than those of the corresponding ferrous ions and blank tests.

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Periodical:

Advanced Materials Research (Volumes 306-307)

Pages:

1528-1531

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.306-307.1528

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Online since:

August 2011

Authors:

Wei Zhao, Jie Zhao, Guo Dong Chen, Rui Feng, Jian Yang, Yan Fang Zhao, Qin Wei, Bin Du, Yong Fang Zhang

Keywords:

Alkaline Shock, Anaerobic Fermentation, Biohydrogen, Mesoporous Fe₃O₄ Nanoparticle

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