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Krzysztof Szewczyk and Jerzy Bukowski

References Szewczyk, K. W. (2006). Produkcja metanu z surowców roślinnych, Przem.Chem. 85 (8-9), 1321 - 1323. Batstone, D. J., Keller, J., Angelidaki, I., Kalyuzhnyi, S. V., Pavlostathis, S. G., Rozzi, A., Anders, W. T.M., Siegrist, H., & Vavilin, V. A. (2002). The IWA Anaerobic Digestion Model No 1 (ADM1), Wat.Sci.Technol. 45 (10), 65 - 73. Batstone, D. J., Keller, J. & Steyer, J. P. (2006). A review of ADM1 extensions, applications, and analysis: 2002 - 2005, Wat

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Jan Suschka and Klaudiusz Grübel

References [1] Appels L., van Assche A., Willems K., van Impe J. & Dewil R. (2011). Peracetic acid oxidataion as an alternative pre-treatment for the anaerobic digestion of waste activated sludge. Bioresources Technology , 102, 4124-4130, doi:10.1016/j.biortech.2010.12.070. [2] Bhattacharya S.K., Madura R.L., Walling D.A. & Farrel J.B. (1996). Volatile solids reduction in two-phase and conventional anaerobic sludge digestion. Water Research , 30, 1041-1048, doi:10.1016/0043-1354(95)00252-9. [3] Borowski S. & Szopa J.S. (2007). Experiences with the

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Jiří Rusín, Kateřina Chamrádová and Kateřina Kašáková

REFERENCES [1] AGRO-EKO spol. s. r. o., Ostrava. EN: Transformation process of biologically degradable, sanitary non-stabilized substrate to sanitary stabilized product. HOLUŠA V., VANÍČEK P., ŠINDELÁŘ D. Czech Republic. Patent no. 295922. 2005. [2] ĐOKIĆ D., LUGIĆ Z., TERZIĆ D., JEVTIĆ G., MILENKOVIĆ J., HÚRKA M., STANISAVLJEVIĆ R. Processing biodegradable waste by applying aerobic digester EWA. Acta Agriculturae Serbica . 2014, 19 (38), 133-142. [3] GUENDOUZ J., BUFFIÈRE P., CACHO J., CARRÈRE M., DELGENES J.P. Dry anaerobic digestion in

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Jan Suschka and Klaudiusz Grübel

References APHA (2012) Standard Methods for the Examination of Water and Wastewater, 22nd ed. American Public Health Association, American Water Works Association, Water Environment Federation, Washington, DC, USA. Ariunbaatar, J., Panico, A., Esposito, G., Pirozzi, F. & Lens, P.N.L. (2014). Pretreatment methods to enhance anaerobic digestion of organic solid waste, Applied Energy, 123, pp. 143-156. Carrère, H., Dumas, C., Battimelli, A., Batstone, D.J., Delgenes, J.P., Steyer, J.P. & Ferrer, I. (2010

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Ondrej Cundr and Dagmar Haladova

& Wastewater (20th ed.), Washington, DC. ISBN 0-87553-235-7. Ezekoye V.A., Ezekoye B.A. (2009): Characterization and Storage of Biogas Produced from the Anaerobic Digestion of Cow Dung, Spent Grains/Cow Dung, and Cassava Peels/Rice Husk. Pacific Journal of Science and Technology 10(2): 898-904. Ezekoye V.A., Okeke C.E. (2006): Design, Construction, and Performance Evaluation of Plastic Biodigester and the Storage of Biogas. Pacific Journal of Science and Technology 7(2): 176-184. FAOSTAT (2011): Global rice production by year

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Anna Ciaciuch, Jerzy Gaca and Karolina Lelewer

–1509. DOI: 10.1016/j.biortech.2008.08.041. 7. Neyens, E. & Baeyens, J. (2003). A review of thermal sludge pre-treatment processes to improve dewaterability. J. Hazard. Mater. B98, 51–67. DOI: 10.1016/S0304-3894(02)00320-5. 8. Pilli, S., Yan, S., Tyagi, R.D. & Surampalli, R.Y. (2015). Thermal pretreatment of sewage sludge to enhance anaerobic digestion: A review. Crit. Rev. Environ. Sci. Technol. 45(6), 669–702. DOI: 10.1080/10643389.2013.876527. 9. Ferrer, I., Ponsá, S., Vázquez, F. & Font, X. (2008). Increasing biogas production by thermal (70°C

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Jiří Rusín, Kateřina Kašáková, Kateřina Chamrádová, Břetislav Staněk and Karel Obroučka

Engineers , l-27. 4. Kumar, J.A., Jianzheng, L., Junguo, H. & Sheng, C. (2010). Optimization of dry anaerobic fermentation of solid organic wastes. Adv. Mater. Res . 113-116, 740-743. 10.4028/ www.scientific.net/AMR.113-116.740. 5. Schäfer, W., Letho, M. & Teye, F. (2006). Dry anaerobic digestion of organic residues on-farm - a feasibility study. MTT Agrifood Research Finland, Reports 77, 98. 6. Linke, B., Miersch, S. & Gegner, M. (2002). High - solids fermentation in silage bag. Biogas association e.V. (Hrsg.) Reports from

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Sylwia Myszograj, Artur Stadnik and Ewelina Płuciennik-Koropczuk

REFERENCES 1. Banks C.J.; Zhang Y.; Jiang Y., Heaven S.: Trace element requirements for stable food waste digestion at elevated ammonia concentrations . Bioresource Technology, 104 (2012) 127-135. 2. Bao Y., Dongling Z.,Aidang S.,Ziyang L.,Haiping Y., Xiaoting H.,Wenxiang Y., Xiaohu D, Nanwen Z.: Methane-rich biogas production from waste-activated sludge with the addition of ferric chloride under a thermophilic anaerobic digestion system 2015, RSC Adv., 5:38538-38546, DOI: 10.1039/c5ra02362a. 3. Deublein D., Steinhauser A.: Biogas from waste

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Agnieszka A. Pilarska, Krzysztof Pilarski, Kamil Witaszek, Hanna Waliszewska, Magdalena Zborowska, Bogusława Waliszewska, Marek Kolasiński and Karolina Szwarc-Rzepka

Abstract

The results of anaerobic digestion (AD) of buttermilk (BM) and cheese whey (CW) with a digested sewage sludge as inoculum is described. The substrate/inoculum mixtures were prepared using 10% buttermilk and 15% cheese whey. The essential parameters of the materials were described, including: total solids (TS), volatile solids (VS), pH, conductivity, C/N ratio (the quantitative ratio of organic carbon (C) to nitrogen (N)), alkalinity, chemical oxygen demand (COD). The potential directions of biodegradation of the organic waste types, as used in this study, are also presented. Appropriate chemical reactions illustrate the substrates and products in each phase of anaerobic decomposition of the compounds that are present in buttermilk and cheese whey: lactic acid, lactose, fat, and casein. Moreover, the biogas and biomethane production rates are compared for the substrates used in the experiment. The results have shown that buttermilk in AD generates more biogas (743 m3/Mg VS), including methane (527 m3/Mg VS), when compared with cheese whey (600 m3/Mg VS, 338 m3/Mg VS for biogas and methane, respectively).

Open access

Đurđica Kovačić, Davor Kralik, Daria Jovičić and Robert Spajić

References ADEKUNLE, K. F. – OKOLIE, J. A. 2015. A review of biochemical process of anaerobic digestion. In Advances in Bioscience and Biotechnology, vol. 6, pp. 205–212. AMERICAN PUBLIC HEALTH ASSOCIATION (APHA). 1998. Standard Methods for the Examination of Water and Wastewater. 20 th ed., Washington DC, USA. CAVINATO, C. – FATONE, F. – BOLZONELLA, D. – PAVAN, P. 2010. Thermophilic anaerobic co-digestion of cattle manure with agro-wastes and energy crops: Comparison of pilot and full scale experiences. In Bioresource Technology, vol. 101, pp