Comparative investigations on pilot-scale anaerobic digestion of food waste at 30°C and 35°C
Keywords:
food waste, anaerobic digestion, pilot-scale, organic loading rate, greenhouse gas, economic efficiencyAbstract
Parallel pilot-scale anaerobic digestion systems were conducted to evaluate the influence of system temperatures (30°C and 35°C) on digestion performance, greenhouse gas control and economic efficiency. Biogas productions (6.64- 12.96 m3/d) and methane yields (0.46-0.61 m3/kg VS) of 35°C digestion system were significantly higher than those of 30°C digestion system with the organic loading rate (OLR) of 2.0-4.5 kg VS/m3•d. Two regression equations of methane yields with increasing OLRs were fitted at 30°C and 35°C to predict the methane production of practical food waste (FW) digestion plants. By analyzing process stability, the optimal operating OLRs of 35°C digestion system (4.0 kg VS/m3•d) was found to be higher than that of 30°C digestion system (3.0 kg VS/m3•d), indicating that the 35°C digestion system had better processing capacity. The greenhouse gas emission under corresponding optimal operating OLR of 35°C digestion system was also calculated to be better than that of 30°C digestion system. Even the system temperature of 30°C was found to be more suitable for the digestion where OLR was less than 3.0 kg VS/m3•d, a higher operational temperature of 35°C was still a better choice for conventional high-solid digestion. Keywords: food waste, anaerobic digestion, pilot-scale, organic loading rate, greenhouse gas, economic efficiency DOI: 10.3965/j.ijabe.20160901.1748 Citation: Wang L, Zhu B N, Yuan H R, Liu Y P, Zou D X, Li X J. Comparative investigations on pilot-scale anaerobic digestion of food waste at 30°C and 35°C. Int J Agric & Biol Eng, 2016; 9(1): 109-1187.References
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[3] Zhang L, Lee Y W, Jahng D. Anaerobic co-digestion of food waste and piggery wastewater: focusing on the role of trace elements. Bioresource Technology, 2011; 102 (8): 5048−5059.
[4] Darwin, Jay J, Cheng, Liu Z M, Jorge G, O-Seob K. Anaerobic co-digestion of rice straw and digested swine manure with different total solid concentration for methane production. International Journal of Agricultural and Biological Engineering, 2014; 7(6): 79−90.
[5] Wang F, Niu W S, Zhang A D, Yi W M. Enhanced anaerobic digestion of corn stover by thermo-chemical pretreatment. International Journal of Agricultural and Biological Engineering, 2015; 8(1): 84−90.
[6] Liu X, Gao X B, Wang W, Zheng L, Zhou Y J, Sun Y F. Pilot-scale anaerobic co-digestion of municipal biomass waste: Focusing on biogas production and GHG reduction. Renewable Energy, 2012; 44: 463−468.
[7] Liu X, Wang W, Shi Y C, Zheng L, Gao X B, Qiao W, Zhou Y J. Pilot-scale anaerobic co-digestion of municipal biomass waste and waste activated sludge in China: Effect of organic loading rate. Waste Management, 2012; 32: 2056−2060.
[8] Chen X G, Romano R T, Zhang R H. Anaerobic digestion of food wastes for biogas production. International Journal of Agricultural and Biological Engineering, 2010; 3(4): 61−72.
[9] Maria R P, Mosqueda, Lope G, Tabil, Kasiviswanathan M. Effects of condensed distillers solubles and drying temperature on the physico-chemical characteristics of laboratory-prepared wheat distillers grain with solubles. International Journal of Agricultural and Biological Engineering, 2013; 6(2): 73−86
[10] Davidsson A, Gruvberger C, Christensen T H, Hansen T L, Jansen J L. Methane yield in source-sorted organic fraction of municipal solid waste. Waste Management, 2007; 27: 406−414.
[11] Charles W, Walker L, Cord-Ruwisch R. Effect of pre-aeration and inoculum on the start-up of batch thermophilic anaerobic digestion of municipal solid waste. Bioresource Technology, 2009; 100: 2329−2335.
[12] Lin J, Zuo J E, Gan L L, Li P, Liu F L, Wang K J, et al. Effects of mixture ratio on anaerobic co-digestion with fruit and vegetable waste and food waste of China. Journal of Environmental Sciences-China, 2011; 23: 1403−1408.
[13] Shen F, Yuan H R, Pang Y Z, Chen S L, Zhu B N, Zou D X, et al. Performances of anaerobic co-digestion of fruit & vegetable waste (FVW) and food waste (FW): Single-phase vs. two-phase. Bioresource Technology, 2013; 144: 80−85.
[14] Eckford R E, Newman J C, Li X, Watson P R. Thermophilic anaerobic digestion of cattle manure reduces seed viability for four weed species. International Journal of Agricultural and Biological Engineering, 2012; 5(1): 71−75.
[15] Jey-R S V, Jehoon L, Deokjin J. A comparative study on the alternating mesophilic and thermophilic two-stage anaerobic digestion of food waste. Journal of Environmental Science, 2014; 26: 1274–1283.
[16] Kim J K, Oh B R, Chun Y N, Kim S W. Effects of temperature and hydraulic retention time on anaerobic digestion of food waste. Journal of Bioscience & Bioengineering, 2006; 102: 328−332.
[17] Li D, Yuan Z H, Sun Y M. Semi-dry mesophilic anaerobic digestion of water sorted organic fraction of municipal solid waste (WS-OFMSW). Bioresource Technology, 2010; 101: 2722−2728.
[18] Lü C. Researches on anaerobic digestion of fruit and vegetable waste and kitchen waste. Dissertation. Beijing
University of Chemical Technology, 2011; pp. 88.
[19] De La Rubia M A, Raposo F, Rincón B, Borja R. Evaluation of the hydrolytic–acidogenic step of a two-stage mesophilic anaerobic digestion process of sunflower oil cake. Bioresource Technology 2009; 100: 4133−4138.
[20] American Public Health Association, American Water Works Association, Washington, DC, New York APHA. Standard Methods for the Examination of Water and Wastewater, 20th ed, USA; 2005.
[21] BSI. Guide to PAS 2050: how to assess the carbon footprint of goods and services. London: British Standards; 2008.
[22] IPCC. 2006 IPCC guidelines for national greenhouse gas inventories. Prepared by the national greenhouse gas inventories programme. Japan: IGES; 2006.
[23] Zhang W, Lang Q, Wu S, Li W, Bah H, Dong R. Anaerobic digestion characteristics of pig manures depending on various growth stages and initial substrate concentrations in a scaled pig farm in Southern China. Bioresource technology, 2014, 156: 63−69.
[24] Wang J Y, Zhang H, Stabnikova O, Tay J H. Comparison of lab-scale and pilot-scale hybrid anaerobic solid-liquid systems operated in batch and semi-continuous modes. Process Biochemistry, 2005; 40: 3580−3586.
[25] Kim S, Bae J, Choi O, Ju D, Lee J, Sung H, et al. A pilot scale two-stage anaerobic digester treating food waste leachate (FWL): Performance and microbial structure analysis using pyrosequencing. Process Biochemistry, 2014; 49: 301−308.
[26] Serna-Maza A, Heaven S, Banks C J. Ammonia removal in food waste anaerobic digestion using a side-stream stripping process. Bioresource Technology, 2014; 152: 307−315.
[27] Gou C L, Yang Z H, Huang J, Wang H L, Xu H Y, Wang L. Effects of temperature and organic loading rate on the performance and microbial community of anaerobic co-digestion of waste activated sludge and food waste. Chemosphere, 2014; 105: 146−151.
[28] Yang N, Zhang H, Shao L M, Lü F, He P J. Greenhouse gas emissions during MSW landfilling in China: Influence of waste characteristics and LFG treatment measures. Journal of Environmental Management, 2013; 129: 510−521.
[29] Ma J X, Duong T H, Smits M, Verstraete W, Carballa M. Enhanced biomethanation of kitchen waste by different pre-treatments. Bioresource Technology, 2011; 102: 592−599.
[30] Serrano A, Siles J A, Chica A F, Martin M A. Improvement of mesophilic anaerobic co-digestion of agri-food waste by addition of glycerol. Journal of Environmental Management, 2014; 140: 76−82.
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Published
2016-01-31
How to Cite
Long, W., Baoning, Z., Hairong, Y., Yanping, L., Dexun, Z., & Xiujin, L. (2016). Comparative investigations on pilot-scale anaerobic digestion of food waste at 30°C and 35°C. International Journal of Agricultural and Biological Engineering, 9(1), 109–117. Retrieved from https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/1748
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Renewable Energy and Material Systems
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