Liquid purification or separation – Processes – Separating
Patent
1993-11-05
1995-11-14
Dawson, Robert A.
Liquid purification or separation
Processes
Separating
55456, 209715, 209716, 209725, 209734, 2105123, 210413, 210414, 210415, B01D 2120
Patent
active
054663849
ABSTRACT:
A device for separating a mixture comprised of at least a continuous phase I and at least a disperse phase II, one of the phases being a light phase and the other being a heavy phase, comprising canalization means for canalizing a current of the mixture and suited for communicating thereto a helical motion along a central shaft (A) and filtration means, the motion leading to a differentiated radial displacement of the light phase and of the heavy phase under the action of the centrifugal force, during which the continuous phase I flows at least partly through said filtration means. The canalization means and filtration means are arranged to define a helical passage which decreases according to a direction of flow of the mixture through the device.
REFERENCES:
patent: 2970669 (1961-07-01), Bergson
patent: 3648754 (1972-03-01), Sephton
patent: 3938434 (1976-02-01), Cox
patent: 4214377 (1980-07-01), Maffet
patent: 4678588 (1987-07-01), Shortt
patent: 4966703 (1990-10-01), Kalinis et al.
patent: 5252229 (1993-10-01), Rojey et al.
Patent Abstracts of Japan, vol. 12, No. 297 Mar. 1988.
Patent Abstracts of Japan, vol. 2, No. 136 Jun. 1978.
Prevost Isabelle
Rojey Alexandre
Dawson Robert A.
Institut Francais du Pe'trole
Reifsnyder David
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