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J Korean Soc Environ Eng > Volume 36(12); 2014 > Article
J Korean Soc Environ Eng 2014;36(12): 865-872. doi: https://doi.org/10.4491/KSEE.2014.36.12.865
소변분리변기오수(Brown water)의 혐기성 처리 시 음식물 쓰레기 혼합에 따른 수소생산 특성
성충열1, 윤조희2, 서규태1
1창원대학교 환경공학과
2경남대학교 도시환경공학과
Effect of Food Waste Mixing on Hydrogen Gas Production in Anaerobic Digestion of Brown Water from Urine Diversion Toilet
Chung-Yeol Seong1, Cho-Hee Yoon2, Gyu-Tae Seo1
1Department of Environmental Engineering, Changwon National University
2Department of Urban Environmental Engineering, Kyungnam University
Corresponding author  Gyu-Tae Seo ,Tel: 055-213-3746 , Fax: 055-281-5841, Email: gts@changwon.ac.kr
Received: November 13, 2014;  Revised: December 17, 2014;  Accepted: December 26, 2014.  Published online: December 31, 2014.
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 6.92 mmol H2/g CODremoved 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 25.03 mmol H2/g CODremoved was obtained. Result of this study concluded that mixing of food waste to brown water at appropriate ratio assists in enhanced hydrogen fermentation.
Key Words: Anaerobic Digestion, Brown Water, Carbohydrate, Food Waste, Hydrogen
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