Ion oxide conductor as a catalytic membrane for selective oxidation of hydrocarbons
2000
A catalytic membrane reactor using ion‐oxide conductors as catalysts is experienced in selective oxidative dimerization of propene to C6‐dimers. Structural and textural properties, catalytic and non‐catalytic reactivities of M‐doped Bi2O3 (M = La, Ce, Eu, Er, V, Nb) are studied. TGA experiments show that dopants increase the rates of reduction and reoxidation of Bi2O3, but that the reoxidation of the catalysts is rate limiting. During catalysis, the best yields in 1,5‐hexadiene and benzene are obtained with cerium‐doped Bi2O3.
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