Method for separating ion exchange resins using amine salt solut

Details Method for separating ion exchange resins using amine salt solut Method for separating ion exchange resins using amine salt solut

1987-10-29

1992-01-14

Page, Thurman K.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

521 28, L08J 520

Patent

active

050811592

ABSTRACT:
In a method for separating and regenerating a mixed bed of exhausted anion and cation resins, substantially all of the cation and anion resins in the bed are separated by their respective buoyancies using an amine salt solution having a density between the densities of the anion and cation resins. A composition formed during this method comprises the anion resin, the cation resin, and the amine salt solution.

REFERENCES:
patent: 2366651 (1945-01-01), Raulings
patent: 3385787 (1968-05-01), Crits et al.
patent: 3582504 (1971-06-01), Salem et al.
patent: 4511675 (1985-04-01), Auerswald et al.
patent: 4652352 (1987-03-01), Saieva
patent: 4820421 (1989-04-01), Auerswald
U.S. Application Ser. No. 014,797, Filed Feb. 13, 1987.
Seprex.TM. Process Used in Power Plants in the U.S. and sold by Grover Water Division of Ecodyne.
Resin Density Determination-Water Pycnometer Method, letter from Dow Chemical dated Nov. 18, 1983, U.S.A.
Salem et al., A Unique Advance in Condensate Polishing at Central Illinois Public Service, The International Water Conference of the Engineers' Society of Western Pennsylvania, 44th Annual Meeting, Oct. 1983, Pittsburgh, Pa.

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