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Effect of Light Intensity and Nitrogen Source on Hydrogen Production Using Rhodobacter sphaeroldes KD131  

Jeon, Hyo-Jin (Bioenergy Research Center, Korea Institute of Energy Research)
Kim, Mi-Sun (Bioenergy Research Center, Korea Institute of Energy Research)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.21, no.1, 2010 , pp. 12-18 More about this Journal
Abstract
Photobiological hydrogen production using Rhodobacter sphaeroides KD131 was studied on the effect of light intensities and nitrogen sources. Media containing malate and glutamate were shown higher hydrogen production rate than that containing succinate and $(NH_4)_2SO_4$ at the $110\;W/m^2$ illumination by halogen lamp at $30^{\circ}C$. Media lacking glutamate as the nitrogen source exhibited higher hydrogen production than that containing glutamate. Initial cell concentration was optimized to 1.0 at the absorbance of 660 nm. Hydrogen production was increased by increasing the light intensity from 0 to $216\;W/m^2$ but the increasing rate declined over $108\;W/m^2$.
Keywords
Photosynthetic bacteria; Rhodobacter sphaeroides; Purple non-sulfur bacteria; Photo-fermentation; $H_2$ production;
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Times Cited By KSCI : 1  (Citation Analysis)
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