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1. (WO2011146991) IMPROVED GRAVITY SEDIMENTATION PROCESS AND APPARATUS

Pub. No.:    WO/2011/146991    International Application No.:    PCT/AU2011/000633
Publication Date: Dec 1, 2011 International Filing Date: May 25, 2011
IPC: B01D 21/00
B03D 3/00
Applicants: CRC CARE PTY LTD
HIGH POWER ULTRASONICS PTY LTD
UNIVERSITY OF SOUTH AUSTRALIA
DU, Jianhua
MCLOUGHLIN, Arthur, Richard
SMART, Roger
Inventors: DU, Jianhua
MCLOUGHLIN, Arthur, Richard
SMART, Roger
Title: IMPROVED GRAVITY SEDIMENTATION PROCESS AND APPARATUS
Abstract:
A gravity sedimentation process for the treatment of a slurry in a thickener to separate a solid from a liquid, the thickener having, at steady-state, a hindered settling zone and a compression zone, the process including the application of an effective amount of ultrasonic energy to the slurry in a transition zone within the hindered settling zone.