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http://dx.doi.org/10.4491/KSEE.2014.36.12.865

Effect of Food Waste Mixing on Hydrogen Gas Production in Anaerobic Digestion of Brown Water from Urine Diversion Toilet  

Seong, Chung-Yeol (Department of Environmental Engineering, Changwon National University)
Yoon, Cho-Hee (Department of Urban Environmental Engineering, Kyungnam University)
Seo, Gyu-Tae (Department of Environmental Engineering, Changwon National University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.36, no.12, 2014 , pp. 865-872 More about this Journal
Abstract
The study was conducted to evaluate the effect of addition of food waste in brown water for anaerobic hydrogen production. Batch experiment was carried out to determine appropriate food waste to brown water mixing ratio. Maximum hydrogen yield of $6.92mmol\;H_2/g\;COD_{removed}$ was obtained at 70% food waste and 30% brown water. Semi-pilot scale reactor was operated based on result of batch experiment. Semi-pilot reactor operated, mixing 70% food waste and 30% brown water showed significant increment in butyric acid concentration. B/P (Butyric to propionic acid ratio) which is considered as governing factor for hydrogen production was found high (52.64). Maximum hydrogen yield of $25.03mmol\;H_2/g\;COD_{removed}$ was obtained. Result of this study concluded that mixing of food waste to brown water at appropriate ratio assists in enhanced hydrogen fermentation.
Keywords
Anaerobic Digestion; Brown Water; Carbohydrate; Food Waste; Hydrogen;
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Times Cited By KSCI : 1  (Citation Analysis)
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