Separation of anion and cation exchange resins in a mixed resin

Details Separation of anion and cation exchange resins in a mixed resin Separation of anion and cation exchange resins in a mixed resin

1979-10-09

1981-04-28

Cintins, Ivars C.

Classifying, separating, and assorting solids

Stratifiers

With liquid treatment

209496, 210662, 210675, B03B 566

Patent

active

042644399

ABSTRACT:
A mixture of anion and cation exchange resins is separated into their respective resin types by classifying the resin mixture, using a fluid such as water, in the presence of a solid, inert material (e.g., copolymer beads of styrene, divinylbenzene and methyl methacrylate) which, upon classification, forms a layer intermediate between the layers of the anion and cation resins. The degree of resin separation and the location of the layers of the classified anion resin and cation resin are determined by measuring a conductivity property of the resulting classified resin bed.

REFERENCES:
patent: 2617766 (1952-11-01), Emmett et al.
patent: 2666741 (1954-01-01), McMullen
patent: 3172037 (1965-03-01), Pfeiffer
patent: 3797660 (1974-03-01), Miller
patent: 4120786 (1978-10-01), Petersen et al.
patent: 4151332 (1979-04-01), Chong et al.

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