Anaerobic treatment of glycerol for methane and hydrogen production by Vlassis T., Stamatelatou K., Antonopoulou G. and Lyberatos G.
Increase of biogas production through co-digestion of lipids and sewage sludge by Noutsopoulos C., Mamais D., Antoniou K. and Avramides C.
Use of alternative fuels obtained from renewable sources in Brayton cycles by Escudero M., Jimenez A., Lopez I. and Rodriguez J.
Anaerobic treatment of sewage sludge and grease trap sludge in continuous co-digestion by Neczaj E., Bien J., Grosser A., Worwag G. and Kacprzak M.