Solve the Five Most Common FCC Problems control valve would need to open further to supply the same flow setpoint. The valve would close if the oil were restricted or. Rule 2012 Cont. Amended May 5, 2005 2012 2 B any internal combustion engine with rated brake horsepower bhp greater than or equal to 1,000 bhp and. Fluid Catalytic Cracking FCC in Petroleum Refining. The catalytic cracking process, commercialized in 1. It is the most important refinery process in that it converts the heavy portion of the crude barrel into transportation fuels. The main changes in catalysts, equipment and operations are covered along with the versatility of the process to handle a wide variety of feeds and produce the desired products. The FCCU is the bridge between refining and petrochemicals and the new FCC processes that fill this gap are presented here. Keywords. Fluid catalytic cracking. Catalytic cracking. Development of catalytic cracking. Catalytic cracking equipment and operation. Cracking catalysts and additives. Microsoft Access 2010 there.