US 11,697,126 B2
Granular litter cleaning apparatus and process
Jean-David Lantagne, Quebec (CA); Jean-Felix Tremblay, Rimouski (CA); Samuel Duval, Nicolet (CA); Alexandre Savard, Sainte-Petronille (CA); Philippe Gosselin, Quebec (CA); Christophe Caron-Garant, Sherbrooke (CA); Francois Pontbriand, Beloeil (CA); Edouard Dumas-Longpre, Sherbrooke (CA); Marc-Alexandre Santerre, Quebec (CA); Dany Audette, Laval (CA); Simon Trepanier, Granby (CA); and Christophe Tremblay, Sherbrooke (CA)
Assigned to TECHNOLOGIE HOOLA ONE INC., Sherbrooke (CA)
Filed by TECHNOLOGIE HOOLA ONE INC., Sherbrooke (CA)
Filed on Nov. 21, 2019, as Appl. No. 16/690,502.
Prior Publication US 2021/0154682 A1, May 27, 2021
Int. Cl. B03D 1/14 (2006.01); B03D 1/08 (2006.01); E02B 15/10 (2006.01); B03D 1/02 (2006.01); C02F 1/24 (2023.01); B03D 3/00 (2006.01)
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
OG exemplary drawing
 
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.