Patent ID: 7828975

Claim:
An apparatus for treating oil- and fat-containing wastewater that degrades and treats the oils and fats of an oil- and fat-containing wastewater within a grease trap by means of the action of an immobilized lipase and a microbe that utilizes an organic matter, wherein said apparatus for treating oil- and fat-containing wastewater is equipped with a container body having an intake port for taking the oil- and fat-containing wastewater rich in oils and fats which has been separated and taken out and stored in the upper layer within the grease trap, and a discharge port formed in such a way that it can discharge while retaining part of the wastewater degraded and treated, an enzyme holder that is provided within the container body and that contains the immobilized lipase having a bulk specific gravity of 0.15 to 0.2 while preventing the lipase from being flown and lost, in which said oil- and fat-containing wastewater can freely pass through, and an agitating apparatus for agitating said oil- and fat-containing wastewater provided within the container body, the agitating apparatus having an agitating rod provided with an agitating blade that rotates in the enzyme holder while driven by a motor, and wherein said apparatus is provided and installed exterior of the grease trap.