C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
C01G 45/02 (2006.01) C01B 39/00 (2006.01) C01G 45/00 (2006.01)
Patent
CA 2160439
A new class of manganese oxide octahedral molecular sieves possess a (4X4) tunnel structure. The molecular sieves possess the general composition A?[M?Mn16-6O32]nH2O wherein A is +1, +2, +3 or +4 tunnel cation or combination thereof, 0a8, M is +1, +2, +3 or +4 framework-substituting metal cation or combination thereof, 0b16 and n0. A method of producing the molecular sieves includes the steps of dissolving a manganese salt in an organic solvent, e.g, ethanol, adding a permanganate salt to the resulting solution to provide a solid intermediate which is recovered and heated to a temperature which results in producing an octahedral molecular sieve having a (4X4) tunnel structure. The molecular sieves are useful in such applications as oxidation catalysis, hydrocarbon conversion, adsorption and electrochemical sensors.
O'young Chi-Lin
Suib Steven Lawrence
Smart & Biggar
Texaco Development Corporation
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