Liquid purification or separation – Processes – Separating
Patent
1996-06-21
1997-04-08
Popovics, Robert J.
Liquid purification or separation
Processes
Separating
210542, B01D 3700
Patent
active
056184441
ABSTRACT:
The methods consists in that the suspension is made to flow as the feed stream through a narrow channel or a capillary and partial streams are drawn off from the wall on the periphery of the channel and/or the capillary through openings in the channel wall and/or capillary wall, the cross-section of which is larger than the mean particle cross-section (median value), the particle concentration being enriched in the main stream and diluted in the partial streams compared to the feed stream. The device consists in that several holes and/or (in the case of a channel) two gaps are arranged evenly distributed over the periphery of a pipe or channel in which the main stream is conveyed. The diameter of the holes is between 10% and 90% of the pipe diameter and the gap width between 10% and 30% of the channel width.
REFERENCES:
patent: 1519428 (1924-12-01), Wilisch
patent: 2152115 (1939-03-01), Van Tongeren
patent: 2289474 (1942-07-01), Anderson
patent: 3279155 (1966-10-01), Lambert
patent: 3725271 (1973-04-01), Giannotti
patent: 5004484 (1991-04-01), Stirling et al.
patent: 5441638 (1995-08-01), Tillich
Bayer Aktiengesellschaft
Popovics Robert J.
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