The results of this testing support the idea of using trap grease
in gas turbine units. Trap grease emits less NOx and relatively higher
CO and CO2 at full loads compared with diesel fuel. Using trap
grease in gas turbine applications has the added benefit of providing
a disposal method for a waste material. It is easily transported
and available at low cost. These advantages make this fuel as one of
the promising resources of renewable energy.
Deposit formation in the combustion chamber and turbine
blades might be partly caused by insufficient filtration before
use. Transesterification may produce a high quality bio-oil from
trap grease with the development of techniques for reducing its
FFA content, water content, undesired compounds and mineral
matter. An enhanced grease-based bio-oil is expected to be effi-
cient as a renewable fuel for power generation.