July 2017

Special Focus: Refinery of the Future

Design and troubleshoot the orifice chamber in an FCCU

The fluid catalytic cracking (FCC) process remains one of the most important secondary conversion processes due to its inherent capability to upgrade residual streams and its flexibility to maximize the desired product, depending on market dynamics.

The fluid catalytic cracking (FCC) process remains one of the most important secondary conversion processes due to its inherent capability to upgrade residual streams and its flexibility to maximize the desired product, depending on market dynamics. Data on global capacities indicated that FCC capacity (approximately 840 MMtpy) in 2010 exceeded the combined capacity of hydrocrackers and delayed cokers. In general, FCC units (FCCUs) are significant contributors to refinery margins and usually operate under constraints that push their operational boundaries. FCCUs are highly versatile with respect to handling a variety of feedstocks, adjusting the operating severity and catalyst composition w

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