Patent ID: 7232476
Filing Date: 2007-06-19
Classification: B01D

Abstract:
1. An apparatus for scum removal for industrial application, the apparatus comprising a plurality of toothed paddle arms ( 4 ) supported on a shaft ( 2 ) and connected to the shaft ( 2 ), the shaft being provided with a bearing ( 3 ), the shaft being connected to a reversible prime mover ( 5 ), the toothed paddle arms, shaft and bearing being incorporated in a mixture of liquid and solid reactants ( 7 ) contained inside a reactor ( 1 ), the reversible prime mover ( 5 ) driving a drive from a source and transmitted through the shaft-bearing arrangement, rotary motion being transmitted horizontally to the paddle or vertically through a transmission mechanism ( 6 ), to the paddle, thereby displacing the scum radially to the outlet of the reactor.