## Commercial fluidized catalytic cracking (FCC) units potentially can exhibit steady-state multiplicity owing to the net exothermicity of the process and the complex interactions that exist between the reactor and regenerator heat balances. In the event that multiplicity exists, then operation of
Comments on multiple steady states in FCC unit operations
β Scribed by William M. Edwards; Hak N. Kim
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 155 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0009-2509
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
A mathematical model for flmd catalytrc crackmg umts IS developed The model takes mto account the krnetlcs of the crackmg reactions, as well as the kmetics of coke combustion m the regenerator A model equations It 1s found that multrphcity of the steady states extends over a wide scope of operatrng
The effects of mlcromkxmg on occurrence of multiple steady states m Isothermal reactors are analyzed It IS shown that reactor performance ts considerably affected by mlcromlxmg Unexpected multiple steady states of high converslon may occur at mtermedrate degrees of segregation for certam mlcromlxmg