Hogwash fat containing large quantity of animal and vegetable oil adds difficulty to be treated with, hogwash fat also causes serious environmental pollution and resource waste by sluiced directly.

• 餐饮泔水油中含大量的动植物油脂增加了污水处理的难度,泔水油的直接排放也造成了严重的环境污染及资源浪费。