Patent ID: 11964876
Assignee: LILAC SOLUTIONS, INC.
Field: Chemical engineering (Chemistry)
Classification: CPC C  B  Y | IPC B  C

Claim 4:
5. The system of claim 4, wherein the multivalent-cation-selective ion exchange material comprises polystyrene, polybutadiene, poly divinyl benzene, divinyl benzene, polystyrene functionalized with sulfonate, polystyrene-polybutadiene copolymer functionalized with sulfonate group and/or phosphonate group, poly(2-acrylamido-2-methyl-1-propanesulfonic acid) (PolyAMPS), poly(styrene-co-divinylbenzene), a copolymer functionalized with a sulfonate group, a copolymer functionalized with a phosphonate group, a copolymer functionalized with a iminodiacetic group, a copolymer functionalized with a carboxylic acid group, a zeolite, clinoptilolite, bentonite, glauconite, mixtures thereof, modifications thereof, or combinations thereof.