Co-digestion of glycerol with sewage sludge
is a promising solution, since a renewable source of energy is
obtained from the treatment. Several successful studies, in batch
and continuously stirred reactor experiments, have been published
with reference to the benefits of the addition of glycerol to enhance
the AD of agro-wastes (Amon et al., 2006; Kacprzak et al., 2009),
cattle manure