Filter and a method for separating charged particles from a liqu

Details Filter and a method for separating charged particles from a liqu Filter and a method for separating charged particles from a liqu

1993-07-01

1994-12-27

Nessler, Cynthia L.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210688, 210777, 210193, 2104931, C02F 142

Patent

active

053762789

ABSTRACT:
The invention provides a method for separating metallic corrosion products from a water stream. A filter conditioned with a relatively small amount of ion exchange material exhibits comparatively low pressure differential while processing a water stream at commercially desirable flow rates and retention efficiencies. The method permits longer filter runs with a minimal application of material on the filtration surface. The invention additionally provides a filter for separating metallic corrosion products having a relatively broad range of particle sizes from a water stream.

REFERENCES:
patent: 3007579 (1961-11-01), Pall
patent: 3327859 (1967-06-01), Pall
patent: 4313832 (1982-02-01), Shimizu et al.
patent: 4780213 (1988-10-01), Ogletree
patent: 4786527 (1988-11-01), Fejes et al.
patent: 4880595 (1989-11-01), Matsuda et al.
patent: 4894154 (1990-01-01), Roz et al.
patent: 5192446 (1993-03-01), Salem et al.

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