Patent ID: 7138048
Filing Date: 2006-11-21
Classification: E03F

Abstract:
1. An apparatus for removing particulates from a wastewater stream, the apparatus comprising: a chamber having a wastewater inlet and a wastewater outlet promoting a generally horizontal wastewater flow; a grating in the chamber between the wastewater inlet and the wastewater outlet having a screen size for preventing the passage of particulates having greater than a select effective diameter from the wastewater inlet into the wastewater outlet, the grating being vertically inclined relative to the direction of wastewater flow; and a baffle in the chamber, the baffle being configured to cooperate with the grating to generate a vortex in the wastewater having a velocity component parallel to the face of the grating which urges particles trapped by the grating along the grating surface toward a surface of the wastewater to suspend particulates as the wastewater flows between the wastewater inlet and the wastewater outlet.