Adsorbent media with li exchanged zeolite

Details Adsorbent media with li exchanged zeolite Adsorbent media with li exchanged zeolite

B - Operations, Transporting

01

J

B01J 20/18 (2006.01) C01B 39/22 (2006.01)

Patent

CA 2747049

An adsorbent media composition has a finished media lithium-exchanged zeolite X (LiX) with a finished Li con-tent in a range from 96% to 83%, based on the total cation equivalents in the LiX. The adsorbent media composition is obtained from a slurry comprising water, a LiX precursor having a pre-media production Li content that is greater than the finished media LiX Li content, and another media component material, such as fibers. The water used to produced the media has a specific con-ductance in a range from 2.2 µSiemens/cm to 150 µSiemens/cm. The finished media LiX has a monovalent cation (Na, K, Rb, Cs and combinations thereof) in a range from 0.05% to 3%, based on the total equivalents of exchangeable cations in the finished me-dia LiX.

Composition de milieu adsorbant contenant une zéolite X à échange de lithium pour milieu fini (LiX) avec une teneur en Li fini comprise entre 96 et 83% sur la base des équivalents cationiques totaux dans LiX. La composition de milieu adsorbant est obtenue à partir d'une boue comprenant de l'eau, un précurseur de LiX dont la teneur en Li au stade de la production du pré-milieu est supérieure à la teneur en LiX Li au stade du support fini, et d'un autre matériau constitutif du milieu tel que des fibres. L'eau utilisée pour la production a une conductance spécifique comprise entre 2,2 µSiemens/cm et 150 µSiemens/cm. Le support LiX fini comporte un cation monovalent (Na, K, Rb, Cs seuls et combinés) compris entre 0,05 et 3% sur la base des équivalents totaux de cations échangeables dans le milieu LiX fini.

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