The second recycling method developed was the disposal of
waste grease from deep fat fryers. Warm fat was drained into 5-ga metal buckets with sealing lids (Fig. 5). SEB resorts used lard
(animal fats) instead of oils (plant triglycerides) so the recycling
focused on recycling the waste grease into the manufacturing of
soaps and degreasing cleaners. Lards and animal fats are generally
a less expensive alternative for frying foods. If oils had been used in
the deep fat fryers, the conversion of waste oil to biodiesel would
have been an option. The methodology was developed for using the
waste grease to make bar soap by adding lye to the rendered grease.
The cost of soap production using waste grease was evaluated as a
small business opportunity.