Physical and chemical properties of trap grease
Crude trap grease was grey in color, very smelly and
contains thick texture characteristic like porridge (Figure 2a).
After filtering and air-drying prior to its use in the study, the
pre-treated trap grease turn into the dry form as shown in
Figure 2b.
Selected chemical properties of the pre-treated trap
greases are shown in Table 2. The pre-treated trap grease