Liquid purification or separation – Casing divided by membrane into sections having inlet – Planar membrane
Patent
1988-04-14
1990-01-16
Fisher, Richard V.
Liquid purification or separation
Casing divided by membrane into sections having inlet
Planar membrane
210486, B01D 1300
Patent
active
048941557
ABSTRACT:
A filter assembly having a filter chamber. Filter means is disposed in the filter chamber which comprises at least one disc shaped filter assembly. The disc assembly has an upper support disc and a lower aligning support disc. A filter membrane is disposed on the top side of the support disc which has a plurality of primary grooves for receiving a liquid filter through the filter membrane. The aligning support disc fits substantially centrally on the bottom surface of the support disc and is provided with radially extending ribs which form radially extending grooves between. A second filter membrane is placed on the bottom surface of the support disc and overlaps a portion of the aligning disc. The bottom surface of the support disc is also provided with grooves for collection of a filtrate. Axial extending grooves are provided in the support disc for connecting the collection on the top surface with the bottom surface. The filtrate flows through the grooves between the support disc and aligning support disc to the outlet of the filter assembly.
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Leoncavallo Richard A.
Phillips Gregory R.
Fisher Richard V.
Millard Wanda L.
Nalge Cmpany
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