Filtration equipment

Details Filtration equipment Filtration equipment

1994-11-22

1996-06-11

Fortuna, Ana

Liquid purification or separation

Casing divided by membrane into sections having inlet

Each section having inlet

2103218, 21032189, 210456, 210451, 210232, 210357, 96 10, B01D 6300

Patent

active

055252206

ABSTRACT:
A filter vessel is partitioned with a watertight partition to form a common upper filtrate collection compartment in the upper part of the filter vessel. A plurality of hollow fiber modules each having upper and lower filtrate outlet ports are vertically disposed in the filter vessel to communicate with the common upper filtrate collection compartment via the upper filtrate outlet ports thereof. The hollow fiber modules also communicate with a lower filtrate collection casing via the lower filtrate outlet ports thereof. At least one conduit is provided in the filter vessel to allow the lower filtrate collection casing to communicate therethrough with the common upper filtrate collection compartment. Feed water fed into the filter vessel is filtered through the walls of porous hollow fibers in the hollow fiber modules into the bores of the porous hollow fibers, through which the filtrate is conducted into the common upper filtrate collection compartment via the upper filtrate outlet ports of the hollow fiber modules as well as via the lower filtrate outlet ports of the hollow fiber modules, the lower filtrate collection casing and said at least one conduit. The filtrate collected in the common upper filtrate collection compartment is then discharged therefrom out of the filter column.

REFERENCES:
patent: 3279608 (1966-10-01), Soriente et al.
patent: 3615016 (1971-10-01), Soriente et al.
patent: 4775471 (1988-10-01), Nagi et al.
patent: 4876006 (1989-10-01), Ohkubo et al.
patent: 5128038 (1992-07-01), Slavitsch et al.
Derwent Abstract, Dec. 6, 1994, File 351 2 pages, Laid Open No. 197,106/1987; "Filtering column--uses hollow yarn module opened at both ends and arranged vertically in middle chamber", Japan Organo KK.

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