Simulation of commercial fixed-bed reactor for maleic anhydride synthesis: application of different kinetic models and industrial process data

Petrić, Ivan; Karić, Ervin

doi:10.1007/s11144-019-01533-9

Cited by 6 publications

(2 citation statements)

References 39 publications

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“…ER 420−450 Wide range/5−30 66 bed and fluidized bed reactors have also been reported. 52,53 Multitubular reactor design is straightforward for identically operated tubes, but several challenges can still occur in practice such as the following: (1) uniform fluid temperature through baffles and segments fails to achieve isothermicity of the shell;…”

Section: Process Simulationmentioning

confidence: 99%

“…The reactor design and heat removal are crucial due to exotherm and heat sensitivity, impacting the investment and output costs. The simulation and modeling of MAn synthesis in fixed bed and fluidized bed reactors have also been reported. , Multitubular reactor design is straightforward for identically operated tubes, but several challenges can still occur in practice such as the following: (1) uniform fluid temperature through baffles and segments fails to achieve isothermicity of the shell; (2) the catalyst bed’s packing densities and local structures vary, causing nonuniform flow and temperature profiles, affecting conversions and product yields; (3) prolonged reactor operation may cause uneven distribution; (4) incorrect mixing or evaporation of reactants can cause differences in reactant concentrations at individual tube inlets.…”

Section: Process Simulationmentioning

confidence: 99%

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n-Butane Oxidation to Maleic Anhydride: Reaction Mechanism and Kinetics Over VPO Catalyst

Hashim,

Khan,

Hantoko

et al. 2024

Ind. Eng. Chem. Res.

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An increase in zero carbon footprint awareness leading to addressing the hot issue of global warming has led to steps taken in an attempt to reduce atmospheric carbon emissions. Industrial development during the past centuries has made a major contribution in releasing massive amounts of carbon-based gaseous products into the atmosphere. Among these gases, low-carbon alkanes, such as nbutane, are released from refinery processes. Recent years have witnessed the conversion of n-butane to high-value chemicals, such as maleic anhydride, using vanadium-based catalysts. The catalyst complex comprising vanadium phosphorus oxide is found naturally in approximately 15 different phases that are a function of intrinsic properties such as active sites and catalyst structure. The conversion of nbutane to maleic anhydride is a multistep process that involves n-butane oxidation to maleic anhydride along with undesired byproducts. Hence, a thorough investigation of the reaction mechanism becomes vital. Moreover, with the advent of computational tools such as density functional theory, scientists have been able to predict the performance of the catalyst, while with the aid of Aspen simulation, the process can also be modeled. Later these computational calculations are linked with various kinetic models to evaluate the performance of the catalysts. This review is focused on elaborating all the above-mentioned different aspects.

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Section: Process Simulationmentioning

confidence: 99%

Section: Process Simulationmentioning

confidence: 99%