Method of producing hydrogen gas by using hydrogen bacteria

Details Method of producing hydrogen gas by using hydrogen bacteria Method of producing hydrogen gas by using hydrogen bacteria

2005-03-01

2005-03-01

Prince, Fred G. (Department: 1724)

Liquid purification or separation

Processes

Treatment by living organism

C210S612000, C210S631000

Reexamination Certificate

active

06860996

ABSTRACT:
Both organic waste or wastewater and methane-generating bacteria are contained in organic waste or wastewater. When organic waste or wastewater containing these bacteria is cultured as a base material, the hydrogen produced by the hydrogen-generating bacteria is consumed by the methane-generating bacteria. The purpose of the invention is achieved by controlling the biophase with heat treatment so that the activity of hydrogen-generating bacteria having sporulation ability contained in the organic waste is maintained, while the hydrogen-consuming, methane-producing bacteria are decreased. Specifically, this invention provides a method of effectively generating hydrogen gas using hydrogen-generating bacteria by adjusting the treatment temperature to 68-95° C., and adjusting the treatment time and pH.

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Steven W. Van Ginkel et al., Biohydrogen Production Potential Using Variable Natural Inocula, Annual Conference & Exposition on Water Quality and Wastewater Treatment, 2000, p. 3413-3429.

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