“Catalytic cracking.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/catalytic%20cracking. Accessed 8 Feb. 2025. Copy Citation Share Post the Definition of catalytic cracking to Facebook Facebook Share the Definition of catalytic cracking on Twitter...
The meaning of CATALYTIC CRACKER is the unit in a petroleum refinery in which cracking is carried out in the presence of a catalyst.
In 2021, the Bay Area Air Quality Management District adopted a new regulation that requires petroleum refineries, within five years, to reduce the amount of particulate pollution released from their fluid catalytic cracking units, the equipment that processes crude oil into finished products such as...
Define catalytic cracking. catalytic cracking synonyms, catalytic cracking pronunciation, catalytic cracking translation, English dictionary definition of catalytic cracking. n. the reduction of the molecular weight of hydrocarbons by a catalyst, accompl
Thus, catalytic cracking needs less energy for the process as a whole. Moreover, catalysts like zeolites are used that increase the quality of the product which is on par with the motor engine fuel thereby reducing the need for other processing. Thermal pyrolysis is limited to refineries as ...
The different models address both fluid flow and cracking kinetics, varying from simple one phase and one-dimensional models to three-dimensional and three-phase models. Therefore, there is no common ground regarding the most adequate formulation for FCC risers modeling, and advantages and drawbacks...
Fluidized catalytic cracking unit (FCCU) main fractionator is a complex system with multivariable, nonlinear and uncertainty. Its modeling is a hard nut to crack. Ordinary modeling methods are difficult to estimate its dynamic characteristics accurately. In this work, the gray wolf optimizer with bubb...
Coke Formation Modeling and CFD Simulation Coke formation is a problem during catalytic cracking processes, which cause to deactivate the catalyst [8]. Geometrical modeling is one of the most critical stages in CFD simulation; correct definition of the geometry provides a more realistic scenario for...
The technologies for direct liquefaction by thermal conversion all achieve the first conversion objective in the same way, namely, bythermal cracking (Figure 12.2). When the temperature is high enough there is enoughthermal energyavailable to lead to bond dissociation. Thermal cracking is a free rad...
81 The improved aromatization and pre-cracking activity is attributed to the deposition of Fe, Ni, and V onto the catalyst during the fluid catalytic cracking. Meanwhile, the lifetime of the catalyst is improved because of the decreased coke deposition, which is attributed to the block of ...