Sorption of weak organic acids from water by polyurethane

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow

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210 40, B01D 1506

Patent

active

040615650

ABSTRACT:
The separation and recovery of weakly acidic organic substances from aqueous solution by means of granules of unblown polyurethane.

REFERENCES:
patent: 3597351 (1971-08-01), Landenburg et al.
patent: 3617531 (1971-11-01), Schlicht et al.
patent: 3812031 (1974-05-01), Mc Coy et al.
patent: 3883465 (1975-05-01), Olstowski
patent: 3905925 (1975-09-01), Vervloet

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