Patent ID: 11865532
Assignee: CORNING INCORPORATED
Field: Chemical engineering (Chemistry)
Classification: CPC B  C | IPC B

Claim 14:
15. A system for recycling a waste ion exchange materials comprising a first alkali metal salt and a second alkali metal salt, the system comprising:
a size reduction unit operable to crush the waste ion exchange materials to produce a plurality of waste ion exchange particles having particle sizes from 0.10 mm to 5.0 mm;
a regeneration unit downstream of the size reduction unit, the regeneration unit operable to contact the plurality of waste ion exchange particles with an aqueous solution saturated with the first alkali metal salt, the contact causing at least a portion of the second alkali metal salt to diffuse from the waste ion exchange particles and produce a regenerated ion exchange slurry; and
a separation unit downstream of the regeneration unit, the separation unit operable to separate the regenerated ion exchange slurry to produce a plurality of regenerated ion exchange particles and a recycled aqueous solution.