The Coaching LEADERSHIP through the Life and Humanity of Leader Yi Sun-Shin

Young-cheol, Joo; Park, Gyun-yeol

doi:10.22471/disaster.2019.4.2.01

Cited by 2 publications

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“…It has been conrmed that mesoporous materials with abundant pore structures and high surface areas show the remarkable adsorption properties in aqueous solution. 35,36 Therefore, the composites-B consisted of mesoporous silica shells with a high specic area may adsorb more active components in polishing slurry, which is benecial to enhancing the interfacial reaction activity and chemical corrosion action. 13,14 As a result, the composite-B presents an improved MRR by comparison with composite-C.…”

Section: Topography Analysis Of Substratesmentioning

confidence: 99%

Polystyrene core–silica shell composite particles: effect of mesoporous shell structures on oxide CMP and mechanical stability

Chen

Qin

2017

RSC Adv.

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Section: Topography Analysis Of Substratesmentioning

confidence: 99%

Polystyrene core–silica shell composite particles: effect of mesoporous shell structures on oxide CMP and mechanical stability

Chen

Qin

2017

RSC Adv.

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“…[33] Both kinds of polyelectrolytes can be utilized in water and wastewater treatment. According to studies, it seems that many chemical molecules, such as amino, [34] poly diallyldimethylammonium chloride, [35] chitosan, and pyridine [36] can provide useful functional groups to adsorbed dye contaminates. As a reported adsorbent, chitosan (CTS) is extensively applied for removing environmental pollutants.…”

Section: Introductionmentioning

confidence: 99%

Removal of Acid Blue 92 by Using Amino‐Functionalized Silica‐Pillared Clay as a New Nano‐Adsorbent: Equilibrium, Kinetic and Thermodynamic Parameters

2020

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In this study, silica-pillared clay (SPC) and functionalized samples by chitosan (SPC/CTS) and different amounts of poly diallyl dimethylammonium chloride (SPC/PDDA-10, SPC/PDDA-20, and SPC/PDDA-30) have been synthesized and have been employed as some low-cost and eco-friendly adsorbents in the adsorptive removal of Acid Blue 92 (AB 92) from contaminated waters. The structural variation of functionalized and unfunctionalized samples confirmed by different techniques such as Scanning electron microscopy (SEM), Energy Dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR) and N 2 adsorption-desorption analysis. The SPC/PDDA-30 was selected for further studies due to its effective adsorption. The optimum values of adsorbent dosage, dye concentration, contact time and pH were found 0.02 g, 120 mg/L, 120 min and 5.0 respectively by applying response surface methodology (RSM). The adsorption equilibrium data were satisfactorily predicted by the Langmuir model and the adsorption process best fitted with a pseudo-secondorder model. Adsorption thermodynamic analysis indicated the uptake of AB 92 on SPC/PDDA-30 was exothermic and spontaneous. The high adsorption capacity of the selected nanocomposite could maintain after five successive adsorptiondesorption cycles by using 0.5 M NaOH.[a] Prof.

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The Coaching LEADERSHIP through the Life and Humanity of Leader Yi Sun-Shin

Cited by 2 publications

References 0 publications

Polystyrene core–silica shell composite particles: effect of mesoporous shell structures on oxide CMP and mechanical stability

Polystyrene core–silica shell composite particles: effect of mesoporous shell structures on oxide CMP and mechanical stability

Removal of Acid Blue 92 by Using Amino‐Functionalized Silica‐Pillared Clay as a New Nano‐Adsorbent: Equilibrium, Kinetic and Thermodynamic Parameters

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