Substituted aluminosilicate compositions and process for prepari

Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing

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423118, 423594, 423598, 502 85, C01B 3328, C01G 2304, C01G 4902

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048927201

ABSTRACT:
Molecular sieve compositions are prepared by extracting aluminum and substituting titanium and/or iron for extracted aluminum to give molecular sieve products containing framework titanium and/or iron atoms. The process of preparing the titanium and/or iron-containing molecular sieves involves contacting a starting zeolite with a solution or slurry of a fluoro salt of titanium and/or iron under effective process conditions to provide for aluminum extraction and substitution of titanium and/or iron.

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