Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1975-05-19
1978-10-03
Hart, Charles N.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210140, 210321B, B01D 1300, B01D 1506
Patent
active
041183142
ABSTRACT:
Apparatus for the treatment of dialysate for the hemodialyzer in which apparatus the dialysate is recirculated and urea and other toxins in the dialysate are removed by repeated adsorption on and desorption from an adsorbent packed in a plurality of adsorbent beds that are used alternately or in rotation. Valves controlling flows of recirculating dialysate and the liquid (water and fresh dialysate) for desorption to and from said adsorbent beds are operated automatically with use of a timing device.
REFERENCES:
patent: 3441136 (1969-04-01), Serfass et al.
patent: 3578167 (1971-05-01), Clack et al.
patent: 3697418 (1972-10-01), Johnson
patent: 3753493 (1973-08-01), Mellor
"Cyclic Adsorption of Urea from Artificial Kidney Dialyzing Fluid," Blaney, T. L. et al., Chemical Eng. Prog. Symposium Series, No. 84, vol. 64, pp. 112-119.
Hart Charles N.
Keegan Francis A.
Sadowski David R.
Seisan Kaihatsu Kagaku Kenkyusho
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