Liquid purification or separation – Recirculation
Patent
1996-04-22
1998-10-27
Upton, Christopher
Liquid purification or separation
Recirculation
210305, 210307, 210521, 210540, C02F 140
Patent
active
058274251
ABSTRACT:
A grease recovery system includes a basin with an inlet port to connect the system to a waste disposal network, e.g., a sink in a restaurant, and to an outlet port for draining substantially grease-free water into a sewer network. A grease outlet port provides for recovering grease from the system. The basin holds waste water to a level corresponding to the height of the outlet port above a floor of the basin. The inlet port is above that level so that incoming waste water drains into the basin. An inlet baffle is arranged within the basin and adjacent to the inlet port to force waste water entering the inlet port downwards toward the floor. A first blocking baffle, mounted to the floor, reduces waste water flow along the floor after the waste water passes through the inlet baffle, so that grease rises to the water level downstream of the inlet baffle. A motorized belt sub-system is mounted within the basin to rotate a belt which attracts grease to the belt's surface and along the water level. The grease on the surface is forced toward the belt by a transport system such as a blower or paddle. The belt thereafter flexibly lifts the grease upwards above the water level during rotation. The belt scrapes against a catch troth connected to the grease outlet port where the grease can be recovered for recycling. Water can be recycled back into the inlet baffle to provide enhanced cleaning and gray water.
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Upton Christopher
Vock Curtis A.
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