2. Methods
2.1. Materials
Bulk supply of SBE was sourced from 2 PORs at Pasir Gudang on a
regular basis. Two types of SBE commonly used by the refineries are
acid-activated SBE and natural SBE. The SBE used can be in different
conditions i.e. freshly released or stored. The SBE from the refinery
was discharged into a silo and directed to a closed loop system i.e. a
dedicated buffer storage container placed with a quick-connect SBE
transfer system to ensure spill-proof handling of SBE from refinery
to haulage truck en route to the SBE recovery plant.
2.2. Pilot setup of a SBE recovery plant
Apilot SBE recovery facility was established at Pasir Gudang. The
pilot plant was equipped with an open door and a closed door composting
systems having composting piles of about 8 (height) × 8
(width) × 16 (length) at the initial 30 days and enlarged at
18 × 24 × 60
, respectively after 60 days on maturity.