This impact on degradation rate was noted by Battimelli et al.
[101]. These researchers investigated the effect of NaOH
pre-treatment on biogas production from fatty abattoir waste.
While this pre-treatment affected little change in the total biogas
produced, it also enhanced slightly the initial reaction kinetics.
These findings support the previous assertion that reduction of
particle size due to alkaline hydrolysis could be exploited for additional
benefit through further pre-treatment.