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The Effects of Cadmium or Copper on Biological Hydrogen Production  

Yoon, Woo-Hyun (Department of Environmental Engineering, Seoul National University of Technology)
Lee, Tae-Jin (Department of Environmental Engineering, Seoul National University of Technology)
Publication Information
Abstract
Experiment was conducted to investigate the amount of hydrogen gas and the characteristics of organic acids production from various carbohydrates by anaerobic bacteria. The variation characteristics of organic acids and hydrogen gas production at the fermentative culture were also studied in the presence of heavy metals such as cadmium or lopper. 3.43 mole hydrogen per mole of hexose was produced when sucrose was used as a carbon source. Acetic acid and butyric acid were main products by the anaerobic fermentation. Hydrogen production rate was decreased and formation of acetic acid was increased as the concentration of heavy metals was increased in the medium. The inhibition of hydrogen production by the copper was more serious than the cadmium.
Keywords
Hydrogen Production; Organic Acid; Cadmium; Copper;
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Times Cited By KSCI : 1  (Citation Analysis)
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