Traditional passive grease traps simply slow the flow of wastewater to allow it to cool and separate into 3 layers; FOG, solids and clear water. The FOG forms a í░grease matí▒ at the top of the unit and solids either accumulate at the bottom of the unit or collect inside a strainer which is located just after the inlet. The clear water escapes via the outlet. Automatic systems, also known as AGRUí»s (automatic grease removal units), perform many of the same operations as a manual grease trap. Much like a manual system the flow of wastewater is slowed to allow it to cool and separate though automatic systems almost always feature the addition of a removable strainer basket for solids collection. This means the wastewater inside the unit will mainly contain FOG with only small amounts of solid waste escaping the strainer and settling at the bottom of the unit.
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A grease trap (also known as grease interceptor, grease recovery device, grease capsule and grease converter) is a plumbing device (a type of trap) designed to intercept most greases and solids before they enter a wastewater disposal system.
Semua pemilik premis makanan perlu mematuhi syarat diwajibkan dengan memasang perangkap minyak bagi mengelakkan sisa makanan dan minyak dibuang ke longkang. Semua pengusaha premis makanan di setiap pihak berkuasa tempatan (PBT) wajib menyediakan perangkap minyak sebagai syarat kelulusan lesen