Liquid purification or separation – Processes – Separating
Patent
1980-07-23
1982-01-12
Cintins, Ivars C.
Liquid purification or separation
Processes
Separating
210386, 210393, 210401, B01D 3302
Patent
active
043104240
ABSTRACT:
An apparatus and method for filtering and classifying waste or process streams into three product streams using a polymeric net belt to drive a filter drum and hydrophobic polymeric filter element thereon. A matte of solids is doctored from the belt to provide a first product stream. A roller mounted on a fluid cylinder driven pivoted arm compresses the filter element to provide a smaller suspended solids stream for collection in a trough inside the drum. This second product stream is removed axially from the trough by means of a pump. A third clarified or effluent stream is produced and collected in the drum as the stream passes through the foam filter element. This third stream is removed axially in the direction opposite of said second stream. A shower keeps the foam in the compressed area water filled to prevent vapor lock or gas blockage in the cellular foam filter.
REFERENCES:
patent: 2583698 (1952-01-01), Komline
patent: 3244281 (1966-04-01), Kurz et al.
patent: 4083778 (1978-04-01), McGrew
patent: 4168234 (1979-09-01), Hutto
patent: 4212737 (1980-07-01), Daucher et al.
Fremont Henry A.
Hedrick Edward F.
Obenour Mary C.
Champion International Corporation
Cintins Ivars C.
Mulholland John H.
Sommer Evelyn M.
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