Liquid purification or separation – Processes – Separating
Patent
1987-12-17
1988-11-08
Sever, Frank
Liquid purification or separation
Processes
Separating
210108, 2101952, 2102572, 210258, 2103213, 2104332, 210927, 21032172, B01D 1300
Patent
active
047832738
ABSTRACT:
Apparatus for the supply of concentrate for use in medical treatment processes is disclosed, including a concentrate filter including a membrane, an inlet conduit for supplying concentrate to the inlet side of the concentrate filter during normal use and for supplying cleaning fluid to the inlet side of the concentrate filter during cleaning, an outlet conduit for withdrawing the filtered concentrate or a portion of the cleaning fluid from the outlet side of the concentrate filter, and a cleaning fluid withdrawal conduit connected to the inlet side of the concentrate filter and including a valve so that it can be closed during normal use of the concentrate filter and opened during cleaning of the concentrate filter in order to flush a portion of the cleaning fluid through the concentrate filter. Methods for supplying concentrate to be used for medical treatment purposes are also disclosed.
REFERENCES:
patent: 4338190 (1982-07-01), Kraus et al.
patent: 4366051 (1982-12-01), Fischer
patent: 4530759 (1985-07-01), Schal
patent: 4683053 (1987-07-01), Polaschegg
patent: 4695385 (1987-09-01), Boag
Knutsson Stefan L.
Shaldon Stanley
Gambro AB
Sever Frank
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