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Title: Collection efficiencies of various designs of post-cyclone
Authors: Zhao, W.
Mujumdar, A.S. 
Ray, M.B. 
Keywords: Bleed flow
Collection efficiency
Issue Date: 2001
Citation: Zhao, W.,Mujumdar, A.S.,Ray, M.B. (2001). Collection efficiencies of various designs of post-cyclone. Canadian Journal of Chemical Engineering 79 (5) : 708-716. ScholarBank@NUS Repository.
Abstract: Post-cyclone (PoC) is a novel secondary dust separator, which collects a certain fraction of the particles escaping through the vortex finder of a reverse flow cyclone. Due to the residual swirl in the vortex finder, the particles in the effluent air are concentrated at the wall of the vortex finder in an outer annulus. The particles in the outer annulus are split from the main stream and collected in a bleed flow. This paper presents the experimentally determined collection efficiencies of various designs of PoC. Depending on the design, operating conditions and the size and density of the particles, PoC can reduce the emission of the parent cyclones by 5% to 50%. In some experiments, the bleed flow from PoC is recycled back to the inlet of the cyclone. Significant improvement in the removal of fines occurs when the bleed flow is recycled to the inlet.
Source Title: Canadian Journal of Chemical Engineering
ISSN: 00084034
Appears in Collections:Staff Publications

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