Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – And additional al or si containing component
Patent
1996-06-18
1999-08-03
Dunn, Thomas
Catalyst, solid sorbent, or support therefor: product or process
Zeolite or clay, including gallium analogs
And additional al or si containing component
502 64, 502 66, 502 73, 502 74, 502 79, B01J 2906
Patent
active
059325097
ABSTRACT:
Zeolites in particulate form that are uniformly exchanged with both lithium ions and trivalent cations are produced by first partially ion-exchanging the zeolite in powdered form with one or more selected trivalent ions, then agglomerating and calcining the partially trivalent cation-exchanged zeolite, then ion-exchanging the calcined agglomerate with lithium ions, and finally activating the trivalent cation- and lithium ion-exchanged zeolite.
REFERENCES:
patent: 5152813 (1992-10-01), Coe et al.
patent: 5174979 (1992-12-01), Chao et al.
patent: 5258058 (1993-11-01), Coe et al.
patent: 5464467 (1995-11-01), Fitch et al.
patent: 5616170 (1997-04-01), Ojo et al.
Balse Vijay Ramanand
Bulow Martin
Connolly Philip
Fitch Frank
Ojo Adeola Florence
Dunn Thomas
Pace Salvatore P.
Reap Coleman R.
The BOC Group Inc.
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