2021年10月12日 · Gas-solid-liquid reactive simulation of an industrial FCC riser is performed. Reaction and vaporization are simultaneously considered in multiscale simulation. Feed …

2017年5月1日 · The uneven distribution of particle flow, i.e., a different particle mass flow rate in each outlet of the riser in residue fluidized catalytic cracking (RFCC) processes, is one major …

2014年9月3日 · This paper described the discovering process of some shortcomings of the conventional fluid catalytic cracking (FCC) process and the proposed two-stage riser (TSR) …

2016年10月20日 · The riser reactor is the key unit in the fluid catalytic cracking (FCC) process. As the FCC feedstocks become heavier, the product mixture of oil, gas and catalysts must be …

2024年8月1日 · Residue Fluidized Catalytic Cracking (RFCC) is one of the key processes to convert heavy oil into light products in refineries. The fast and sufficient vaporization of the …

2010年6月6日 · In this work, an RFCC model is developed by combining the material and energy balance equations with a 7-lump kinetic model and a modified two-dimensional hydrodynamic …

2019年1月28日 · The main riser cracks the resid feed under conditions to optimize fuels production; the second Petro-Riser riser is operated to selectively crack specific recycle …

2017年9月25日 · CFD model of RFCC Riser Separation System (RS2) has been developed to study impacts of catalyst bed levels and flow rates to particle entrainment rates.

The extracted kinetics has been further utilized for developing a detailed reactor model for the riser of the RFCC unit, which was modeled as a fast fluidized bed reactor. It considers the heat …

fCC: Based on conventional, proven technology, the FCC process features elevated OptimixTM feed distributors, the Vortex Separation SystemSM (VSSSM) riser termination device and a …