1996 fluid catalytic cracking update; [A1,B]-ZSM-11 FCC additive performance; the effect of silica-to-alumina ratio on the performance of ZSM-5 FCC additives; structure/activity correlations on nickel contaminated fluid cracking catalysts; the effect of the oxidation state of vanadium on the selectivity of fluid catalytic cracking catalysts; accessible catalysts for short contact time; effect of matrix acidity on resid cracking activity of FCC catalysts; high metal tolerance matrix for FCC catalyst; influence of the nature of FCC feed on the production of light olefins by catalytic cracking; recent advances in FCC catalyst evaluations - MAT vs DCR; coking and chemical stripping of FCC catalysts in a MAT reactor; composite molecular sieve comprising MCM-41 with interporous ZSM-5 structures; hydrogen-transfer activity of MCM-41 mesoporous materials in 1-hexene and cyclohexene isomerization reactions; NMR studies of molecular diffusion within zeolites of the type used in FCC preparation; the use of microcalorimetry and porosimetry to investigate the effects of aging on the acidity of fluid cracking catalysts; methods for the characterization of acid sites in FCC catalysts; atomic force imaging of a fluid cracking catalyst (FCC) surface before and after aging; modified USY zeolites for catalysts by acid extraction; origin and control of nox in the FCCU regenerator; effect of stripper conditions on the yield and structure of coke derived from n-hexadecane; new FCC demetallization procedures.
