Dong Hwi Jeong
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View article: Effect of active sites distributions on temperature dependent–coke formation over Ni/CexZr1−xO2–Al2O3 catalysts for ethanol steam reforming: Coke precursor gasification
Effect of active sites distributions on temperature dependent–coke formation over Ni/CexZr1−xO2–Al2O3 catalysts for ethanol steam reforming: Coke precursor gasification Open
Understanding coke formation routes over Ni-based catalysts is essential in determining the catalytic performance in ethanol steam reforming. In this study, we focused on optimizing the active sites distribution via the metal-support inter…
View article: Synergistic effect of macroporosity and crystallinity on catalyst deactivation behavior over macroporous Ni/CexZr1-xO2–Al2O3 for dry reforming of methane
Synergistic effect of macroporosity and crystallinity on catalyst deactivation behavior over macroporous Ni/CexZr1-xO2–Al2O3 for dry reforming of methane Open
Dry reforming of methane (DRM) is an outstanding process for transforming methane and carbon dioxide into synthesis gases (H2 and CO). In this study, a special geometrical modification on Ni/CexZr1-xO2–Al2O3 catalyst was applied by introdu…
View article: Design of Dimethyl Carbonate (DMC) synthesis process using CO2, techno-economic analysis and life cycle assessment
Design of Dimethyl Carbonate (DMC) synthesis process using CO2, techno-economic analysis and life cycle assessment Open
To successfully attain the objective of carbon neutrality, the active incorporation of carbon capture utilization (CCU) technology becomes imperative within the engineering framework. This technology facilitates the generation of high valu…
View article: Solvent Etching Process for Graphitic Carbon Nitride Photocatalysts Containing Platinum Cocatalyst: Effects of Water Hydrolysis on Photocatalytic Properties and Hydrogen Evolution Behaviors
Solvent Etching Process for Graphitic Carbon Nitride Photocatalysts Containing Platinum Cocatalyst: Effects of Water Hydrolysis on Photocatalytic Properties and Hydrogen Evolution Behaviors Open
In this study, we synthesized Pt/g-C3N4 photocatalysts modified by a solvent etching process where ethanol (Pt/CN0), water (Pt/CN100), and a 50:50 mixture (Pt/CN50) were used as a solvent, and investigated the optimal properties of g-C3N4 …
View article: Process Optimization under Parameter Uncertainty Conditions in CCU Process
Process Optimization under Parameter Uncertainty Conditions in CCU Process Open
In order to produce methanol using CO2 and H2, several processes about the related catalytic reaction has been suggested and simulated. There may be systematic uncertainties like parameters of reaction kinetics, so a modelling method consi…
View article: Urea Injection Control Based on Deep-Q Networks for SCR Aftertreatment Systems
Urea Injection Control Based on Deep-Q Networks for SCR Aftertreatment Systems Open
The regulations on NOx emissions from diesel vehicles have been stringent in recent years. Various techniques such as lean NOx trap (LNT) and selective catalytic reduction (SCR) have been developed to lessen the NOx emissions. The urea-bas…
View article: Fundamental Modeling and Experimental Investigation of Polymer Washing Process**This research is supported by ‘Basic research and optimization of polymer washing process after condensation reaction’, funded by the LG CHEM.
Fundamental Modeling and Experimental Investigation of Polymer Washing Process**This research is supported by ‘Basic research and optimization of polymer washing process after condensation reaction’, funded by the LG CHEM. Open
After polymerization reaction, impurities such as adduct, solvent and catalyst are trapped inside the polymers. These impurities should be removed by a polymer washing process to improve the purity of the polymer products. Also, the optimi…