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An advanced silica-dominated matrix technology platform and its application were introduced in this paper.Through novel proprietary processing,the advanced silica-dominated matrix was prepared from the unique silica sol and pseudo-boehmite.The matrix pore size distribution and acidity can be tailored to provide optimal coke-selectivity and bottoms-cracking ability matched to feedstock characteristics.A novel FCC catalyst(RSC-2006)for reducing coke and slurry yields was developed based on the silica-dominated matrix technology platform.The results of commercial application of the said technology indicated that the RSC-2006 catalyst exhibited excellent performance on bottoms cracking,coke selectivity and high value products yields.