Process for removing metals from aluminosilicate materials

Mineral oils: processes and products – Refining – With solid catalyst or absorbent

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208 91, 208251R, 208299, 423 62, 423 63, 423 68, 423138, 423139, 423150, 502 12, 502 25, 502 26, 502 27, 502516, C10G 2505, C10G 2512, C10G 3100, B01J 2938

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048911305

ABSTRACT:
Disclosed is a process for removing accumulated metals, particularly vanadium and nickel, from particulate aluminosilicate materials and aluminosilicate materials that are obtained by the process. The process may advantageously be used to remove accumulated metals from spent aluminosilicate contact materials used in selective vaporization processes of the type described in U.S. Pat. No. 4,263,128. The process of this invention yields materials suitable for effective recycling to a selective vaporization unit or for ecologically-acceptable disposal, as well as, optionally, recovery of metals in saleable form.

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Chemical Abstracts, vol. 53, No. 17, Sep. 10, 1959, "Regeneration of Spent Cracking Catalysts", & Vestnik Akad. Nauk Kazakh No. 16515F.
Chemical Abstracts, vol. 75, No. 20, Nov. 15, 1971, "Properties of Zeolite 4A treated in Molten Salts", & J. Inorg. Nucl. Chem. No. 1223994.

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