Hollow fiber membrane separation apparatus

Details Hollow fiber membrane separation apparatus Hollow fiber membrane separation apparatus

1996-03-29

1998-11-17

Fortuna, Ana

Gas separation: processes

Selective diffusion of gases

Selective diffusion of gases through substantially solid...

21032178, 21032179, 21032187, 21032188, 96 10, B01D 6300

Patent

active

058370331

ABSTRACT:
The invention comprises an annular hollow fiber membrane module comprising a plurality of helically wound layers of semi-permeable hollow fibers, wherein the fiber wind angle varies across the axial length of the module in one or more layers. In a preferred embodiment, the module has at least one tubesheet region and an active region, and the wind angle in the tubesheet region of the module differs from the wind angle in the active region of the module. A method of making the module, and a separation module which includes the module described above is also disclosed.

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