摘要: Fluid catalytic cracking, or FCC, was the first application of fine-powder fluidization. Interestingly, commercial FCC unit (Esso’s Model I in 1942) had both reactor and regenerator form entrained circulating fluid beds. Over 50 years later, is still major fluidization with over 350 FFC units operating worldwide, new ones coming on stream every year. convert heavy fuel oil petroleum residue to lighter products. Major products are gasoline, diesel fuel, heating oil, cycle oils, which used as bunker fuels converted carbon black, light gases such propene butenes, alkylate methyl-tertiary-butyl ether, for production petrochemicals.