| Autor: |
Salman, Zahraa, Alwasiti, Asawer A., Shnen, Zainab Y. |
| Předmět: |
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| Zdroj: |
AIP Conference Proceedings; 2023, Vol. 2787 Issue 1, p1-10, 10p |
| Abstrakt: |
An ebullated bed reactor (EBR) is a kind of multi-stage catalytic reactor that has attracted much attention in the industrial world for hydrocracking processes (HCR) and hydro-desulfurization processes (HDS) from the petroleum residue. The reactor technology depends on a three-phase system, in which for example of the hydrocracking of heavy oil fractions it consists of gas (mainly hydrogen and partially vaporized hydrocarbons), liquid (non-evaporated heavy parts of hydrocarbon feed), solid (catalyst whose physical properties results in liquefaction inside the reactor). The importance of using EBR has been renewed in recent years due to the sharp increase in heavy feedstocks sent to refineries and thus to the hydrocracking process., most of these metamaterials have a non-Newtonian behavior. This work aims to review the hydrodynamic properties of flowing bed reactors. The importance of key factors such as bubble features and gas stagnation were explored. Hydrodynamics and reactor modeling are included in mathematical models of flowing layer systems. The literature on this topic was reviewed, and it was concluded that the modeling process of stalled bed reactors is a complex issue that deserves further study. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
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