Liquid purification or separation – Serially connected distinct treating with or without storage... – Diverse
Patent
1986-08-05
1987-12-15
Sadowski, David
Liquid purification or separation
Serially connected distinct treating with or without storage...
Diverse
210266, 210282, 210295, 210297, 210356, 210460, 21032183, B01D 1300
Patent
active
047131756
ABSTRACT:
A water purification system having a first pressure vessel containing a reverse-osmosis filter and a second separate pressure vessel containing an activated carbon prefilter operatively connected in series and upstream of the first pressure vessel by means of a common header. The activated carbon prefilter includes a particulate trap upstream of the activated carbon to trap sediment carried in the unpurified water. The particulate trap is compressible under operational water pressures attained in the system when the trap becomes clogged with sediment, which serves to crack or break away from the surface thereof particle accumulations clogging the trap, permitting flow to continue through the trap into the activated carbon and, subsequently, through the reverse-osmosis filter element.
REFERENCES:
patent: 2837032 (1958-06-01), Horsting
patent: 3367504 (1968-02-01), Westmoreland
patent: 3542199 (1970-11-01), Bray et al.
patent: 4039452 (1977-08-01), Fernandez
patent: 4540489 (1985-09-01), Barnard
patent: 4595500 (1986-06-01), Galbiati
patent: 4609463 (1986-09-01), Macevicz et al.
Nimbus Water Systems, Inc.
Sadowski David
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