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In this study, we used the Flux Balance Analysis (FBA) program to examine the behavior of hydrogen and organic acids according to seasonal changes in food wastewater collected from D city. The results showed that average hydrogen conversion rates in spring, summer, autumn, and winter were 1.06, 0.71, 1.21, and 1.13 mol H₂/mol of hexoseadded, respectively, indicating a significantly lower hydrogen conversion rate in summer than in other seasons. This phenomenon is believed to occur because the carbohydrate concentration of the incoming food wastewater is low. In addition, Lactobacillus, the lactic acid-producing bacterium, was 21.3% in spring, 27.2% in summer, 17.5% in autumn, and 22.6% in winter. The most distinctive feature of the microbial community in summer was that 15.3% of the Ilyobacter was analyzed. It was confirmed that Ilyobacter, which is involved in the production of acetic acid and propionic acid, is closely associated with the tendency of increasing acetic acid and propionic acid and thus contributes to organic acid change. Clostridium, a hydrogen-producing bacterium, was 76.2%, 50.8%, 78.3%, and 74%, in spring, summer, autumn, and winter, respectively. It was confirmed that Clostridium dominates the microbial community by approximately 70% or more in all seasons except summer.

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기사명 저자명 페이지 원문 목차
첨가제로서 율피차 부산물과 피마자유가 리기다소나무 및 신갈나무 펠릿의 연료적 특성에 미치는 영향 = Effect of chestnut-shell tea waste and castor oil as an additive on fuel characteristics of pellets fabricated with pitch pine and Mongolian oak 김현정, 양인, 한규성 p. 1-8

음폐수의 혐기성 소화 시 수소 및 유기산의 거동 = Behavior of hydrogen and organic acids in anaerobic digestion of food wastewater 조경민, 오세은 p. 9-17

정확도 향상을 위한 CNN-LSTM 기반 풍력발전 예측 시스템 = CNN-LSTM based wind power prediction system to improve accuracy 박래진, 강성우, 이재형, 정승민 p. 18-25

연료전지 삼중열병합 시스템의 성능개선 R&D 효과에 대한 경제성 분석 연구 = Economic analysis study on the R&D effect of performance improvement of the tri-generation fuel cell system 안종득, 이관영, 서석호 p. 26-39

Co 및 Ti가 치환된 Layered perovskite의 SOFC 전극에 대한 적용성 연구 = Application of layered perovskites substituted with Co and Ti as electrodes in SOFCs 김찬규, 신태호, 남중현, 김정현 p. 40-49

그린수소 기반 섹터 커플링 통한 재생에너지 출력제한 경감효과 연구 = Study on reduction of curtailment of renewable generation based on green hydrogen sector coupling 전우영, 김진이, 이성우 p. 50-59

ESG(Environmental, Social, Governance)가 발전기업의 성과에 미치는 영향 = Impact of ESG (environmental, social, governance) on the performance of electric utilities 고병국, 이규환, 윤용범, 박수진 p. 60-72

이상유동 해석을 통한 브레이징 판형 응축기 설계 연구 = Design study of a brazed plate heat exchanger condenser through two-phase flow analysis 황대중, 오철, 박상균, 지재훈, 방은신, 이병길 p. 73-81

LNG FSRU의 재기화 공정에서 폐에너지회수시스템의 엑서지 분석 = Exergy analysis of waste energy recovery system in regasification process of LNG FSRU 한승현, 조재호, 권정태, 박경우, 최병철 p. 82-89

참고문헌 (12건) : 자료제공( 네이버학술정보 )

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번호 참고문헌 국회도서관 소장유무
1 Metropolitan Area Landfill Management Corporation, 2016, “Guidelines for process operation and management of biogasification facilities for food wastewater”, https://www.slc.or.kr/upload/pdf/5.%EC%9D%8C%ED%8F %90%EC%88%98%20%EB%B0%94%EC%9D%B4%EC%98%A4%EA%B0%80%EC%8A%A4%ED%99%94%20%EC%8B%9C%EC%84%A4%20%EC%9A%B4%EC%98%81%EA%B4%80%EB%A6%AC%20%EA%B8%B0%EC%88%A0.pdf. 미소장
2 Ministry of Environment, 2019, “Study of food and logistics waste management policy direction and improvement plan”. 미소장
3 Korea Environmental Industry & Technology Institute, 2016, “Technology trend for land treatment of wastewater”. 미소장
4 Jang, Y.H., and Bae, J.G., 2009, “A study on the current status of domestic food wastewater treatment and treatment plan”, Proc. The Korean Society for Waste Recycling Spring Academic Research Society, 204-210. 미소장
5 Lee, J.P., and Kang, H., 2016, “Evaluation of the Performance Parameters with a Semi-Continuously Fed and Mixed Anaerobic Reactor using Food Waste”, New. Renew. Energy,12(4), 88-97. 미소장
6 Eshtiaghi, N., Markis, F., Yap, S.D., Baudez, J.C., and Slatter, P., 2013 “Rheological characterisation of municipal sludge: A review”, Water Res., 47(15), 5493-5510. 미소장
7 Karthikeyan, O.P., Trably, E., Mehariya, S., Bernet, N., Wong, J.W.C., and Carrere, H., 2018, “Pretreatment of food waste for methane and hydrogen recovery: A review”, Bioresour. Technol., 249, 1025-1039. 미소장
8 APHA (American Public Health Association), 2005, “Standard methods for the examination of water and astewater”, 21th Edition. 미소장
9 Cho, K.M., 2019, “Optimization of hydrogen fermentation by acid pretreatmentof food waste”, Ph.D thesis, Department of Environmental Engineering, Han bat National University, Daejeon. 미소장
10 Oh, S.D., 2006, “Effect of iron dust and HRT on the continuous biohydrogen production from food waste leachate using thermophilic ASBR”, Master’s thesis, KAIST, Daejeon. 미소장
11 Chen, C.C., Lin, C.Y., and Lin, M.C., 2002, “Acid-base enrichment enhances anaerobic hydrogen production process”, Applied Microbiology and Biotechnology, 58, 224-228. 미소장
12 Khanal, S.K., Chen, W.H., Li, L., and Sung, S., 2001, “Biological hydrogen production: effects of pH and intermediate products”, Int. J. Hydrog. Energy, 29(11), 1123-1131. 미소장

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