Athanasoulia, E.; Melidis, P.; Aivasidis, A. - In: Renewable Energy 62 (2014) C, pp. 73-78
use of glycerol as a co-substrate during the anaerobic treatment of sewage sludge. For this purpose, feed mixtures of … sewage sludge supplemented with 0%, 2%, 3% and 4% (v/v) glycerol were tested at hydraulic retention times between 12.3 d and …