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A 17-lump kinetic model has been developed for the riser–reactor cum regenerator of a fluid catalytic cracking unit (FCCU). This accounts for cracking, hydrogen transfer, aromatization, isomerization, alkylation and dimerization, as well as catalyst deactivation due to the coke deposition in its pores. A model for the industrial combustor–regenerator unit is also developed. The lumping scheme includes...
This paper describes a special method of laser-based deposition to synthesize palladium–ceramic composite membranes. Thin film Pd was deposited on a ceramic substrate by Nd-YAG laser irradiation of coating precursor PdCl 2 on γ-alumina substrate. The parameters of the laser processing technique were optimized to synthesize metal–ceramic composite membranes. The physical and chemical characteristics...
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