No-Kuk Park
Yeungnam University
Nuclear chemistryAdsorptionReactivity (chemistry)CatalysisInorganic chemistryChemistryMaterials scienceSyngasHydrogen productionOxideChemical engineeringSpace velocitySteam reformingHydrogenSulfurZincOxygenMetalRedoxPhotocatalysisFlue-gas desulfurization
169Publications
18H-index
1,112Citations
Publications 171
Newest
Last. No-Kuk ParkH-Index: 18
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#1Dongjoon KimH-Index: 1
Last. Minkyu KimH-Index: 5
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#1Byung Chan Kwon (Yeungnam University)H-Index: 2
#2Dohyung Kang (Yeungnam University)H-Index: 10
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This study examined the effects of the porosity of catalytic bag-filter materials for applications to the SNCR (selective noncatalytic reduction)-SCR (selective catalytic reduction) hybrid process for highly treating nitrogen Oxides (NOx) in the exhaust gas of a combustion process. A V₂O5/TiO₂ catalyst was dispersed in a PTFE (poly-tetra-fluoro-ethylene) used as the catalytic bag-filter material to remove particulate matter and nitrogen oxides contained in the combustion exhaust gas. Macroporous...
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CO2 hydrogenation activity of nickel-magnesium-aluminum mixed oxide catalysts was investigated. As Ni concentration increased, CO2 conversion increased due to the increased active metal content and suppression of NiAl2O4 formation. Calcination temperature was found to affect the textural properties of catalysts and to decrease surface area and pore volume significantly. Therefore, catalysts calcined at a relatively low temperature showed high activity, while the particle strength slightly decrea...
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#1Junhee Lee (UPR-RP: UPRRP College of Natural Sciences)H-Index: 2
#2Namgyu Son (UPR-RP: UPRRP College of Natural Sciences)H-Index: 7
Last. Misook Kang (UPR-RP: UPRRP College of Natural Sciences)H-Index: 46
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Abstract This research focuses on the electrochemical properties of the spinel structure, which is a specific structure of Co-Mn bimetal, and the active species therein, rather than the hydrogen evolution (HER) performance of Co-Mn-based bimetal oxides. The catalysts of four types are prepared by following a solvothermal process and coated on a NiOOH/NF support electrode (NNF). Compared to the CoO and Mn2O3 single particle-assembled electrodes, the CoMn2O4/NNF electrode coated with the flower sh...
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#1Byung Hyun ParkH-Index: 2
#2Minkyu Kim (Yeungnam University)H-Index: 5
Last. Misook KangH-Index: 46
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A sea urchin-shaped, single-layer, and hollow NiO-NiS photocatalyst with a large surface area was designed for carbon dioxide (CO2) conversion in this study. A d-glucose polymeric hollow frame was fabricated using a d-glucose monomer, and NiO particles were stably grown on it using the hydrothermal method to form a hollow NiO surface. The d-glucose frame was removed by heat treatment to create hollowed NiO; hollowed NiO-NiS (h-NiO-NiS) was subsequently obtained through ion exchange between the O...
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#1Byung Chan Kwon (Yeungnam University)H-Index: 2
#2Misook Kang (Yeungnam University)H-Index: 46
Last. Ho-Jung Ryu (Kier Group)H-Index: 17
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Fe₂O₃ is the major component of red mud, which is a by-produced after eluting aluminum from bauxite in the Bayer process, and can be used as an oxygen carrier. On the other hand, red mud is unsuitable for using oxygen in the crystal lattice because of its low surface area. In this study the red-mud sample was sulfidated at high temperatures to improve the lattice oxygen mobility by forming lattice defects in the iron oxide crystals. To form crystal defects on red mud, iron oxide was converted to...
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#1Jeong Yeon Do (UPR-RP: UPRRP College of Natural Sciences)H-Index: 15
#2No-Kuk Park (Yeungnam University)H-Index: 18
Last. Misook Kang (UPR-RP: UPRRP College of Natural Sciences)H-Index: 46
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Abstract The thermocatalytic methanation of carbon dioxide has been established to be more efficient than photocatalytic methanation, and the throughput of the former is also incomparably high. Because the products can be selectively controlled by adjusting the reaction temperature or the type of catalyst, thermocatalytic methanation is extremely dependable for simultaneously resolving environmental and energy problems. Herein, to improve CO2 adsorption, the nickel component of NiTiO3 perovskite...
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#1Jun Neoung Heo (UPR-RP: UPRRP College of Natural Sciences)H-Index: 4
#2Junyeong Kim (UPR-RP: UPRRP College of Natural Sciences)H-Index: 5
Last. Misook Kang (UPR-RP: UPRRP College of Natural Sciences)H-Index: 46
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ABSTRACT As an ecological mimicry system, carbon dioxide (CO2)-to-fuel conversion in artificial photosynthesis is quite attractive as a method to simultaneously solve the global energy crisis and environmental problems. Although many researchers have spent a lot of time on efficient charge separation and on enhanced light harvesting, photocatalysts still exhibit poor activity. Nevertheless, designing new types of photocatalysts is still worth attempting. Herein, a localized surface plasmon reson...
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#1In-Soo Kang (Yeungnam University)
#2Yo-Seob Shin (Yeungnam University)
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This study examined the selective removal of gaseous mercury contained in combustion flue gas by potassium iodide (KI) loaded on activated carbon fibers (ACF). Activated carbon, such as ACF, although a useful mercury sorbent, shows poor performance in the direct treatment of high-temperature flue-gases because it removes mercury only by physical adsorption. KI can remove mercury at high temperatures via a gas-solid reaction between mercury and adsorbents, and it has been confirmed experimentally...
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