[1] Kelessidis, A., Stasinakis, A.S., Comparative study of the methods used for treatment and final disposal of sewage sludge in european countries. Waste Manag 32:6 (2012), 1186–1195.
[2] Kim, M., Ahn, Y.-H., Speece, R., Comparative process stability and efficiency of anaerobic digestion; mesophilic vs. thermophilic. Water Res 36:17 (2002), 4369–4385.
[3] Shin, S.G., Lee, S., Lee, C., Hwang, K., Hwang, S., Qualitative and quantitative assessment of microbial community in batch anaerobic digestion of secondary sludge. Bioresour Technol 101:24 (2010), 9461–9470.
[4] Supaphol, S., Jenkins, S.N., Intomo, P., Waite, I.S., Donnell, A.G.O., Microbial community dynamics in mesophilic anaerobic co-digestion of mixed waste. Bioresour Technol 102:5 (2011), 4021–4027.
[5] Ziganshin, A.M., Liebetrau, J., Pröter, J., Kleinsteuber, S., Microbial community structure and dynamics during anaerobic digestion of various agricultural waste materials. Appl Microbiol Biotechnol 97:11 (2013), 5161–5174.
[6] Donoso-Bravo, A., Mailier, J., Martin, C., Rodríguez, J., Aceves-Lara, C.A., Wouwer, A.V., Model selection, identification and validation in anaerobic digestion: a review. Water Res 45:17 (2011), 5347–5364.
[7] Harper, S.R., Pohland, F.G., Recent developments in hydrogen management during anaerobic biological wastewater treatment. Biotechnol Bioeng 28:4 (1986), 585–602.
[8] Kleerebezem, R., Van Loosdrecht, M.C., A generalized method for thermodynamic state analysis of environmental systems. Crit Rev Environ Sci Technol 40:1 (2010), 1–54.
[9] Kaspar, H.F., Wuhrmann, K., Kinetic parameters and relative turnovers of some important catabolic reactions in digesting sludge. Appl Environ Microbiol 36:1 (1978), 1–7.
[10] Gujer, W., Zehnder, A., Conversion processes in anaerobic digestion. Water Sci Technol 15:8–9 (1983), 127–167.
[11] Batstone, D.J., Keller, J., Angelidaki, I., Kalyuzhnyi, S.V., Pavlostathis, S.G., Rozzi, A., et al. The IWA anaerobic digestion model no 1(ADM 1), vol. 45, 2002, International Water Association (IWA) Alliance House 12 Caxton St. London SW 1 H 0 QS United Kingdom.
[12] D. Hill, A comprehensive dynamic model for animal waste methanogenesis., Trans ASAE Am Soc Agric Eng.
[13] Bryers, J., Structured modeling of the anaerobic digestion of biomass particulates. Biotechnol Bioeng 27:5 (1985), 638–649.
[14] Kalyuzhnyi, S., Batch anaerobic digestion of glucose and its mathematical modeling. ii. description, verification and application of model. Bioresour Technol 59:2 (1997), 249–258.
[15] Mosey, F., Mathematical modelling of the anaerobic digestion process: regulatory mechanisms for the formation of short-chain volatile acids from glucose. Water Sci Technol 15:8–9 (1983), 209–232.
[16] Costello, D., Greenfield, P., Lee, P.L., Dynamic modelling of a single-stage high-rate anaerobic reactor?ii. model verification. Water Res 25:7 (1991), 859–871.
[17] Siegrist, H., Vogt, D., Garcia-Heras, J.L., Gujer, W., Mathematical model for meso-and thermophilic anaerobic sewage sludge digestion. Environ Sci Technol 36:5 (2002), 1113–1123.
[18] Ryhiner, G.B., Heinzle, E., Dunn, I.J., Modeling and simulation of anaerobic wastewater treatment and its application to control design: case whey. Biotechnol Prog 9:3 (1993), 332–343.
[19] Guisasola, A., Sharma, K.R., Keller, J., Yuan, Z., Development of a model for assessing methane formation in rising main sewers. Water Res 43:11 (2009), 2874–2884.
[20] Zehnder, A.J., Wuhrmann, K., Physiology of a methanobacterium strain az. Archives Microbiol 111:3 (1977), 199–205.
[21] Lay, J.-J., Modeling and optimization of anaerobic digested sludge converting starch to hydrogen. Biotechnol Bioeng 68:3 (2000), 269–278.
[22] Lin, P.-Y., Whang, L.-M., Wu, Y.-R., Ren, W.-J., Hsiao, C.-J., Li, S.-L., et al. Biological hydrogen production of the genus clostridium: metabolic study and mathematical model simulation. Int J Hydrogen Energy 32:12 (2007), 1728–1735.
[23] Fabiano, B., Perego, P., Thermodynamic study and optimization of hydrogen production by enterobacter aerogenes. Int J Hydrogen Energy 27:2 (2002), 149–156.
[24] Kalia, V., Jain, S., Kumar, A., Joshi, A., Fermentation of biowaste to h2 by bacillus licheniformis. World J Microbiol Biotechnol 10:2 (1994), 224–227.
[25] Hawkes, F., Dinsdale, R., Hawkes, D., Hussy, I., Sustainable fermentative hydrogen production: challenges for process optimisation. Int J Hydrogen Energy 27:11 (2002), 1339–1347.
[26] Yu, H., Zhu, Z., Hu, W., Zhang, H., Hydrogen production from rice winery wastewater in an upflow anaerobic reactor by using mixed anaerobic cultures. Int J Hydrogen Energy 27:11 (2002), 1359–1365.
[27] Boe, K., Angelidaki, I., Online monitoring and control of the biogas process. Ph.D. thesis, 2006, Technical University of DenmarkDanmarks Tekniske Universitet, Department of Systems BiologyInstitut for Systembiologi.
[28] Pauss, A., Andre, G., Perrier, M., Guiot, S.R., Liquid-to-gas mass transfer in anaerobic processes: inevitable transfer limitations of methane and hydrogen in the biomethanation process. Appl Environ Microbiol 56:6 (1990), 1636–1644.
[29] Abbasi, T., Tauseef, S., Abbasi, S., Anaerobic digestion for global warming control and energy generation – an overview. Renew Sustain Energy Rev 16:5 (2012), 3228–3242.
[30] Thiele, J.H., Zeikus, J.G., Control of interspecies electron flow during anaerobic digestion: significance of formate transfer versus hydrogen transfer during syntrophic methanogenesis in flocs. Appl Environ Microbiol 54:1 (1988), 20–29.
[31] Conrad, R., Phelps, T., Zeikus, J., Gas metabolism evidence in support of the juxtaposition of hydrogen-producing and methanogenic bacteria in sewage sludge and lake sediments. Appl Environ Microbiol 50:3 (1985), 595–601.
[32] Conrad, R., Goodwin, S., Zeikus, J., Hydrogen metabolism in a mildly acidic lake sediment (knaack lake). FEMS Microbiol Lett 45:4 (1987), 243–249.
[33] Conrad, R., Mayer, H.-P., Wüst, M., Temporal change of gas metabolism by hydrogen-syntrophic methanogenic bacterial associations in anoxic paddy soil. FEMS Microbiol Lett 62:4 (1989), 265–273.
[35] Stams, A.J., Metabolic interactions between anaerobic bacteria in methanogenic environments. Antonie Van Leeuwenhoek 66:1–3 (1994), 271–294.
[36] Stams, A.J., Dong, X., Role of formate and hydrogen in the degradation of propionate and butyrate by defined suspended cocultures of acetogenic and methanogenic bacteria. Antonie Van Leeuwenhoek 68:4 (1995), 281–284.
[37] Boone, D.R., Johnson, R.L., Liu, Y., Diffusion of the interspecies electron carriers H2 and formate in methanogenic ecosystems and its implications in the measurement of km for H2 or formate uptake. Appl Environ Microbiol 55:7 (1989), 1735–1741.
[38] Hou, Y.-p., Peng, D.-c., Xue, X.-d., Wang, H.-y., Pei, L.-y., Hydrogen utilization rate: a crucial indicator for anaerobic digestion process evaluation and monitoring. J Biosci Bioeng 117:4 (2014), 519–523.
[39] De Bok, F., Plugge, C., Stams, A., Interspecies electron transfer in methanogenic propionate degrading consortia. Water Res 38:6 (2004), 1368–1375.
[40] Amani, T., Nosrati, M., Sreekrishnan, T., Anaerobic digestion from the viewpoint of microbiological, chemical, and operational aspects-a review. Environ Rev 18:NA (2010), 255–278.
[41] Bastidas-Oyanedel, J.-R., Aceves-Lara, C.-A., Ruiz-Filippi, G., Steyer, J.-P., Thermodynamic analysis of energy transfer in acidogenic cultures. Eng Life Sci 8:5 (2008), 487–498.
[42] Thauer, R.K., Jungermann, K., Decker, K., Energy conservation in chemotrophic anaerobic bacteria. Bacteriol Rev, 41(1), 1977, 100.
[43] Bryant, M., Wolin, E., Wolin, M., Wolfe, R., Methanobacillus omelianskii, a symbiotic association of two species of bacteria. Arch Mikrobiol 59:1–3 (1967), 20–31.
[44] Cazier, E., Trably, E., Steyer, J., Escudie, R., Biomass hydrolysis inhibition at high hydrogen partial pressure in solid-state anaerobic digestion. Bioresour Technol 190 (2015), 106–113.
[45] Kaspar, H.F., Wuhrmann, K., Product inhibition in sludge digestion. Microb Ecol 4:3 (1977), 241–248.
[46] Chung, K.T., Inhibitory effects of H2 on growth of clostridium cellobioparum. Appl Environ Microbiol 31:3 (1976), 342–348.
[47] R. M. Sykes, Hydrogen production in the anaerobic digestion of sewage sludge.
[48] Smith, P., Bordeaux, F., Shiralipour, A., WIlke, A., Andrews, J., Ide, S., et al. Biological production of methane from biomass. Methane Biomass Treat Approach, 1988, 291–334.
[49] D. Barnes, P. Bliss, B. Grauer, E. Kuo, K. Robins, Influence of organic shock loads on the performance of an anaerobic fluidized bed system.
[50] B. Bassat, R. Lamed, T. Ng, J. Zeikus, Metabolic control for microbial fuel production during thermophilic fermentation of biomass.
[51] Sousa, D.Z., Pereira, M.A., Stams, A.J., Alves, M.M., Smidt, H., Microbial communities involved in anaerobic degradation of unsaturated or saturated long-chain fatty acids. Appl Environ Microbiol 73:4 (2007), 1054–1064.
[52] Poels, J., Van Assche, P., Verstraete, W., Influence of h2 stripping on methane production in conventional digesters. Biotechnol Bioeng 27:12 (1985), 1692–1698.
[53] Vavilin, V., Rytow, S., Lokshina, L.Y., Modelling hydrogen partial pressure change as a result of competition between the butyric and propionic groups of acidogenic bacteria. Bioresour Technol 54:2 (1995), 171–177.
[54] Zoetemeyer, R., Van den Heuvel, J., Cohen, A., pH influence on acidogenic dissimilation of glucose in an anaerobic digestor. Water Res 16:3 (1982), 303–311.
[55] Rodrıguez, J., Ruiz, G., Molina, F., Roca, E., Lema, J., A hydrogen-based variable-gain controller for anaerobic digestion processes. Water Sci Technol 54:2 (2006), 57–62.
[56] González-Cabaleiro, R., Lema, J.M., Rodríguez, J., Kleerebezem, R., Linking thermodynamics and kinetics to assess pathway reversibility in anaerobic bioprocesses. Energy Environ Sci 6:12 (2013), 3780–3789.
[57] Mosey, F., Fernandes, X., Patterns of hydrogen in biogas from the anaerobic digestion of milk-sugars. Water Sci Technol 21:4–5 (1989), 187–196.
[58] Cord-Ruwisch, R., Mercz, T.I., Hoh, C.-Y., Strong, G.E., Dissolved hydrogen concentration as an on-line control parameter for the automated operation and optimization of anaerobic digesters. Biotechnol Bioeng 56:6 (1997), 626–634.
[59] Archer, D.B., Hilton, M.G., Adams, P., Wiecko, H., Hydrogen as a process control index in a pilot scale anaerobic digester. Biotechnol Lett 8:3 (1986), 197–202.
[60] Boe, K., Batstone, D.J., Steyer, J.-P., Angelidaki, I., State indicators for monitoring the anaerobic digestion process. Water Res 44:20 (2010), 5973–5980.
[61] Björnsson, L., Murto, M., Jantsch, T.G., Mattiasson, B., Evaluation of new methods for the monitoring of alkalinity, dissolved hydrogen and the microbial community in anaerobic digestion. Water Res 35:12 (2001), 2833–2840.
[62] Bhattacharya, S., Sluder, J., Uberoi, V., Effects of 4-nitrophenol on H2 and co levels in anaerobic propionate systems. Water Res 29:5 (1995), 1249–1258.
[63] Wolin, M., Interspecies hydrogen transfer: 15 years later. ASM News 48 (1982), 561–565.
[64] Havlik, I., Votruba, J., Sobotka, M., Mathematical modelling of the anaerobic digestion process: application of dynamic mass-energy balance. Folia Microbiol 31:1 (1986), 56–68.
[65] Giraldo-Gomez, E., Goodwin, S., Switzenbaum, M.S., Influence of mass transfer limitations on determination of the half saturation constant for hydrogen uptake in a mixed-culture CH4-producing enrichment. Biotechnol Bioeng 40:7 (1992), 768–776.
[66] Hickey, R.F., Switzenbaum, M.S., The response and utility of hydrogen and carbon monoxide as process indicators of anaerobic digesters subject to organic and hydraulic overloads. Res J Water Pollut Control Fed, 1991, 129–140.
[67] Arslan, D., Steinbusch, K., Diels, L., De Wever, H., Buisman, C., Hamelers, H., Effect of hydrogen and carbon dioxide on carboxylic acids patterns in mixed culture fermentation. Bioresour Technol 118 (2012), 227–234.
[68] Voolapalli, R.K., Stuckey, D.C., Hydrogen production in anaerobic reactors during shock loads? Influence of formate production and H2 kinetics. Water Res 35:7 (2001), 1831–1841.
[69] Voolapalli, R.K., Stuckey, D.C., Relative importance of trophic group concentrations during anaerobic degradation of volatile fatty acids. Appl Environ Microbiol 65:11 (1999), 5009–5016.
[70] Kidby, D., Nedwell, D., An investigation into the suitability of biogas hydrogen concentration as a performance monitor for anaerobic sewage sludge digesters. Water Res 25:8 (1991), 1007–1012.
[71] Jeris, J.S., McCarty, P.L., The biochemistry of methane fermentation using∖rmcˆ14 tracers. J Water Pollut Control Fed, 1965, 178–192.
[72] Smith, P.H., Mah, R.A., Kinetics of acetate metabolism during sludge digestion. Appl Microbiol 14:3 (1966), 368–371.
[73] Angelidaki, I., Ellegaard, L., Ahring, B.K., A comprehensive model of anaerobic bioconversion of complex substrates to biogas. Biotechnol Bioeng 63:3 (1999), 363–372.
[74] Angelidaki, I., Ellegaard, L., Ahring, B.K., A mathematical model for dynamic simulation of anaerobic digestion of complex substrates: focusing on ammonia inhibition. Biotechnol Bioeng 42:2 (1993), 159–166.
[75] Gadhamshetty, V., Arudchelvam, Y., Nirmalakhandan, N., Johnson, D.C., Modeling dark fermentation for biohydrogen production: Adm1-based model vs. gompertz model. Int J Hydrogen Energy 35:2 (2010), 479–490.
[76] Peiris, B., Rathnasiri, P., Johansen, J., Kuhn, A., Bakke, R., Adm1 simulations of hydrogen production. Water Sci Technol 53:8 (2006), 129–137.
[77] Antonopoulou, G., Gavala, H.N., Skiadas, I.V., Lyberatos, G., Modeling of fermentative hydrogen production from sweet sorghum extract based on modified Adm1. Int J Hydrogen Energy 37:1 (2012), 191–208.
[78] Penumathsa, B.K., Premier, G.C., Kyazze, G., Dinsdale, R., Guwy, A.J., Esteves, S., et al. Adm1 can be applied to continuous bio-hydrogen production using a variable stoichiometry approach. Water Res 42:16 (2008), 4379–4385.
[79] Pontes, R.F., Pinto, J.M., Analysis of integrated kinetic and flow models for anaerobic digesters. Chem Eng J 122:1 (2006), 65–80.
[80] Bolle, W., Van Breugel, J., Van Eybergen, G., Kossen, N., Van Gils, W., An integral dynamic model for the UASB reactor. Biotechnol Bioeng 28:11 (1986), 1621–1636.
[81] Sötemann, S., Musvoto, E., Wentzel, M., Ekama, G., Integrated chemical, physical and biological processes kinetic modelling part 1? Anoxic and aerobic processes of carbon and nitrogen removal in the activated sludge system. Water SA 31:4 (2005), 529–544.
[82] Sötemann, S., Van Rensburg, P., Ristow, N., Wentzel, M., Loewenthal, R., Ekama, G., Integrated chemical/physical and biological processes modeling part 2-anaerobic digestion of sewage sludges. Water SA 31:4 (2006), 545–568.
[83] Musvoto, E.V., Mathematical modelling of integrated chemical, physical and biological treatment of wastewaters. [Ph.D. thesis], 1998, University of Cape Town.
[84] Musvoto, E., Wentzel, M., Loewenthal, R., Ekama, G., Integrated chemical–physical processes modelling i. development of a kinetic-based model for mixed weak acid/base systems. Water Res 34:6 (2000), 1857–1867.
[85] Musvoto, E., Wentzel, M., Ekama, G., Integrated chemical–physical processes modelling ii. simulating aeration treatment of anaerobic digester supernatants. Water Res 34:6 (2000), 1868–1880.
[86] C. Brouckaert, D. Ikumi, G. Ekama, Modelling of anaerobic digestion for incorporation into a plant-wide wastewater treatment model, In: Procs. WISA Biennial Conference Durban, South Africa, 2010.
[87] Koch, K., Lübken, M., Gehring, T., Wichern, M., Horn, H., Biogas from grass silage–measurements and modeling with adm1. Bioresour Technol 101:21 (2010), 8158–8165.
[88] Sharma, K.R., Yuan, Z., de Haas, D., Hamilton, G., Corrie, S., Keller, J., Dynamics and dynamic modelling of H2 s production in sewer systems. Water Res 42:10 (2008), 2527–2538.
[89] Leu, J.-Y., Lin, Y.-H., Chang, F.-L., Conversion of CO2 into CH4 by methane-producing bacterium FJ10 under a pressurized condition. Chem Eng Res Des 89:9 (2011), 1879–1890.
[90] Jimenez, J., Latrille, E., Harmand, J., Robles, A., Ferrer, J., Gaida, D., et al. Instrumentation and control of anaerobic digestion processes: a review and some research challenges. Rev Environ Sci Biotechnol 14:4 (2015), 615–648.
[91] Dochain, D., Perrier, M., Pauss, A., Adaptive control of the hydrogen concentration in anaerobic digestion. Ind Eng Chem Res 30:1 (1991), 129–136.