Crystalline aluminophosphates and related compounds

Details Crystalline aluminophosphates and related compounds Crystalline aluminophosphates and related compounds

C - Chemistry, Metallurgy

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B

260/426, 260/433

C01B 37/04 (2006.01) B01J 29/85 (2006.01) C01B 25/36 (2006.01) C01B 25/45 (2006.01) C07F 5/06 (2006.01)

Patent

CA 2019550

T 5331 A B S T R A C T NOVEL CRYSTALLINE ALUMINOPHOSPHATES AND RELATED COMPOUNDS Crystalline aluminophosphates and related compounds having in the as-synthesized anhydrous form the chemical composition: mR(XnAlqPx)O2, wherein R represents ethylenediamine, X represents one or more elements which can be substituted for Al and/or P, wherein m - 0.01-0.33 n - 0-0.40 q - 0.30-0.60 x - 0.30-0.60 and wherein n + q + x - 1 and which have a distinct X-ray diffraction pattern. The compounds can be prepared from a forming solution or gel comprising a source of aluminium, a source of phosphorus, a source of ethylenediamine and optionally a source of at least one component X, wherein the appropriate forming components are initially present in specific molar ratios and which mixture is kept at elevated temperature for a period of time sufficient to produce a crystalline aluminophosphate or related compound followed by separating off the crystalline product obtained and drying, and which may subsequently be calcined. ML8.T5331FF

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