Journal ArticleDOI
Kinetics, Gas−Liquid Mass Transfer, and Modeling of the Soybean Oil Hydrogenation Process
TLDR
In this paper, the kinetics for soybean oil hydrogenation using a commercial Ni/Al2O3 catalyst were investigated in a 2 × 10-3 m3 agitated reaction calorimeter operating under a wide range of temperatures.Abstract:
The kinetics for soybean oil hydrogenation using a commercial Ni/Al2O3 catalyst were investigated in a 2 × 10-3 m3 agitated reaction calorimeter operating under a wide range of temperatures (383−44...read more
Citations
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Journal ArticleDOI
Ethanol extraction of canola oil: Kinetics and effects of type of solvent and microwave-pretreatment
Ramiro Julián Sánchez,Ramiro Julián Sánchez,María Belén Fernández,María Belén Fernández,Susana Maria Nolasco +4 more
TL;DR: In this paper, the phenomenon and kinetics of the ethanol extraction of canola oil from microwave-pretreated seeds were studied using a Fick's diffusion model, showing an influence of the solvent on the kinetic parameters.
Journal ArticleDOI
Selective hydrogenation of sunflower oil over Ni catalysts
TL;DR: In this article, the authors focused on the influence of the support and preparation method on the activity and selectivity of nickel catalysts in the hydrogenation of sunflower oil and found that the catalysts prepared on silica are more active and produce less saturated fatty acids.
Journal ArticleDOI
Effect of hydrogenation temperature on the palm mid-fraction fatty acids composition and conversion
TL;DR: In this paper, the effect of reaction temperature on mass transfer resistance from the hydrogen bubble to the catalyst surface was estimated and the obtained results clarify that the volumetric mass transfer coefficient was increased around 140% by increasing the reaction temperature from 99 to 130°C.
Journal ArticleDOI
Partial hydrogenation of sunflower oil: Influence of the process conditions on the physicochemical properties of the products
TL;DR: In this paper, the influence of process conditions on the fatty acid composition and solid fat content of the products was examined for partial hydrogenation of sunflower oil in a static reactor using 1.0 wt% Pd/C powder catalyst.
Journal ArticleDOI
Accurate Hydrogenated Vegetable Oil Viscosity Predictions for Monolith Reactor Simulations
TL;DR: In this article, the viscosity of partially hydrogenated oils with given saturation degree and temperature was measured before and after hydrogenation to assess a new model for predicting the visco-solutions.
References
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Journal ArticleDOI
Raney-nickel catalyzed hydrogenations: Gas-liquid mass transfer in gas-induced stirred slurry reactors
TL;DR: In this article, the authors investigated gas liquid mass transfer in gas induced stirred reactors by the method of physical absorption, based on pressure variation, using two different gas-inducers, liquid composition temperature and height in the reactor, gas pressure and type, solid catalyst type and concentration have been varied in a lab reactor.
Journal ArticleDOI
Hydrogenating Cottonseed Oil at Relatively High Pressure
Jaime Wisniak,Lyle F. Albright +1 more
Journal ArticleDOI
Gas-liquid mass-transfer and hydrodynamic parameters in a soybean oil hydrogenation process under industrial conditions
TL;DR: In this paper, experimental data on the volumetric gas−liquid mass transfer coefficient (kLa), liquid-side mass transfer coefficients (kL), gas-liquid interfacial area (a), bubble Sauter m...
Journal ArticleDOI
Role of mass transfer and kinetics in the hydrogenation of rapeseed oil on a supported palladium catalyst
TL;DR: In this paper, the contribution of mass transfer to the reaction rates was carefully evaluated by determining the mass transfer parameters according to independent routes, and a more general kinetic model was developed based on a complex scheme of simultaneous and consecutive reactions where hydrogenation reactions occur together with cis-trans isomerizations.
Journal ArticleDOI
Solid‐liquid mass transfer coefficients in gas‐solid‐liquid agitated vessels
TL;DR: In this paper, a dissolution technique was used to measure the solid-liquid mass transfer coefficient in gas-solid-liquid vessels stirred by either radial or axial impellers, and the mechanical power dissipated by the stirrers at various agitation speeds and gas flow rates was also measured by means of a new technique.