CPC B03D 1/1468 (2013.01) [B03D 1/082 (2013.01); B03D 1/1456 (2013.01); B03D 1/1462 (2013.01); B03D 1/1493 (2013.01); E02B 15/106 (2013.01); B03D 1/028 (2013.01); B03D 3/00 (2013.01); C02F 1/24 (2013.01)] | 12 Claims |
1. A granular litter cleaning apparatus comprising:
a separation system having a separation tank adapted to receive a mixture of granules and plastic litter, and water therein, the separation tank having a top opening, and a closeable bottom outlet, and at least one water inlet for feeding water to the separation tank;
a collect subsystem for conveying a mixture of granules and plastic litter to the separation tank;
a pump system in fluid communication with the water inlet;
wherein the pump system is operated to raise a level of water in the separation tank to skim water with plastic litter out through the top opening of the separation tank;
wherein the at least one water inlet of the separation tank includes a laminar flow inlet to raise the level of water in the separation tank with low turbulence; and
wherein the closeable bottom outlet is openable to empty the separation tank from granules decanted in a bottom of the separation tank.
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