Multi-zoned hollow fiber permeator

Details Multi-zoned hollow fiber permeator Multi-zoned hollow fiber permeator

1978-08-04

1980-09-02

Hart, Charles N.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

210456, 55158, B01D 3100

Patent

active

042205352

ABSTRACT:
Transversely-fed permeators containing a plurality of selectively permeable hollow fibers suitable for the selective permeation of at least one fluid in a fluid mixture containing at least one other fluid, said fibers being generally parallelly oriented within an elongated shell, are provided with at least one essentially fluid impermeable partition which is substantially transverse to the orientation of the hollow fibers and intermediate a fluid ingress means and a fluid egress means, each of said fluid ingress means and fluid egress means communicating through the elongated shell to the exterior of the hollow fibers, said at least one partition defining zones in said permeator, wherein the zone into which the fluid ingress means communicates is significantly smaller in available membrane surface area to effect the fluid separation than the available membrane surface area in at least one subsequent zone, and means for fluid communication between said zones such that the fluid flow in each zone is substantially transverse to the orientation of the hollow fibers.

REFERENCES:
patent: 2049748 (1936-08-01), Rathbun
patent: 2961062 (1960-11-01), Hunter et al.
patent: 3019853 (1962-02-01), Kohman et al.
patent: 3526001 (1970-08-01), Smith
patent: 3536611 (1970-10-01), De Filippi et al.
patent: 3704223 (1972-11-01), Dietzsch et al.
patent: 3755034 (1973-08-01), Mahon et al.
"Optimal Design of Hollow Fiber Modules," Doshi et al., Aiche Journal, vol. 23, No. 5, Sep. 1977, pp. 765-768.

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