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公开(公告)号：US12084744B2
公开(公告)日：2024-09-10
申请号：US17983198
申请日：2022-11-08
Applicant: Fred W. Bonnet
Inventor： Fred W. Bonnet
CPC classification number: C22B3/1625 , B01J39/04 , B01J39/20 , C22B11/048
Abstract: Precious metals such as those of the platinum group can be effectively recovered from crystalline aluminosilicate supports, for example from spent catalysts, without appreciable degradation of the crystal structure by ion-exchange using a base metal ion containing medium and subsequent sequestration of the precious metal in elemental form on a nonionic cross linked borane reducing resin.
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公开(公告)号：US20230141211A1
公开(公告)日：2023-05-11
申请号：US17983198
申请日：2022-11-08
Applicant: Fred W. Bonnet
Inventor： Fred W. Bonnet
CPC classification number: C22B3/1625 , B01J39/04 , B01J39/20 , C22B11/048
Abstract: Precious metals such as those of the platinum group can be effectively recovered from crystalline aluminosilicate supports, for example from spent catalysts, without appreciable degradation of the crystal structure by ion-exchange using a base metal ion containing medium and subsequent sequestration of the precious metal in elemental form on a nonionic cross linked borane reducing resin.
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