Slow sand/nanofiltration water treatment system

Liquid purification or separation – Magnetic – With additional separator

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Details

210255, 210259, 210266, 21032187, C02F 900

Patent

active

051124831

ABSTRACT:
A water treatment device comprising a slow sand filter in fluid flow combination with a nanofilter for water pretreatment purposes. The nanofilter is surrounded by a housing spacedly arranged thereto which housing is capped at each end and axially aligned with and connected to a T-shaped pipe fitting at each end thereof. A pipe is arranged to extend axially through the T-shaped fittings, the caps and the nanofilter which pipe is apertured along that portion thereof in said nanofilter. Water fed from the slow sand filter into one T-shaped fitting is directed inwardly and laterally through the nanofilter with the purified water flowing through the apertures of the pipe with a discarded portion of the water being conducted through the second T-shaped pipe fittings out of the device for disposal purposes.

REFERENCES:
patent: 4806244 (1989-02-01), Guilhem
patent: 4872991 (1989-10-01), Bartels et al.
patent: 4981594 (1991-01-01), Jones
patent: 5039416 (1991-08-01), Loew et al.

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