Trap Grease

Trap grease is the waste pumped out of a grease trap at a restaurant, hotel, hospital, school, or other kitchen. The trap sits on the wastewater line. What comes out is a mix of fat, water, and food solids.

That mix is not yellow grease, and it is not the used cooking oil in a caddy. Yellow grease is a rendered commodity with a tighter spec. Used cooking oil is the fryer oil. Trap grease is the dirtier material a pump truck removes so the line can work.

The pumping article is the main post for this category. GREASE.ORG does that pump-out. Read the visit description, then schedule a pump-out when the trap is due.