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| 1 | Photocatalytic degradation of paraquat using nano-sized Cu-TiO_2 /SBA-15 under UV and visible light显示文摘Photocatalytic degradation of paraquat using mesoporous-assembled Cu-TiO2 /SBA15 under UV and visible light was investigated.The catalyst was synthesized by impregnation of Cu-TiO2 colloids onto SBA-15.The colloids of Cu-TiO2 were prepared via solgel method while the mesoporous support was prepared using hydrothermal technique.The catalyst was characterized using X-ray diffraction,nitrogen adsorption-desorption,transmission electron microscopy,UV diffuse reflectance spectroscopy,Zeta potential and X-ray adsorption spectroscopy.Results from characterizations showed that Cu doped TiO2 had a small crystalline size and was welldispersed on SBA-15.The inclusion of SBA-15 significantly enhanced the photocatalytic activity of the catalyst.Among the three types of undoped catalyst in this study (P25,TiO2,TiO_2 /SBA-15),TiO2 /SBA-15 yielded the highest degradation of paraquat for all pH under UV illumination.Meanwhile 2 wt.% Cu-TiO2 /SBA-15 yielded the highest activity under visible light. | Maurice G.Sorolla II Maria Lourdes Dalida Pongtanawat Khemthong Nurak Grisdanurak | 2012 | Journal of Environmental Sciences2012，24，6： | 6 |
| 2 | Industrial eggshell wastes as the heterogeneous catalysts for microwave-assisted biodiesel production 显示文摘 | KHEMTHONG P LUADTHONG C NUALPAENG W | 2012 | Catalysis Today2012，190，1： | 1 |
| 3 | Conversion of fructose,glucose,and cellulose to 5-hydroxymethylfurfural by alkaline earth phosphate catalysts in hot compressed water显示文摘 | DAORATTANACHAI P KHEMTHONG P VIRIYA-EMPIKUL N | 2012 | Carbohydrate Research2012，363，： | 1 |
| 4 | Calcination temperature effect on solvothermal Fe - TiO2 and its performance under visible light irradiation 显示文摘 | Wantala K Laokiat L Khemthong P Grisdanurak N Fukaya K | 2010 | Journal of the Taiwan Institute of Chemical Engineers2010，41，5： | 1 |
| 5 | Calcination Temperature Effect on Solvothermal Fe-TiO2 and Its Performance under Visible Light Irradiation显示文摘 | Wantala K Laokiat L Khemthong P | 2010 | Journal of the Taiwan Institute of Chemical Engineers2010，41，5： | 1 |
| 6 | Photocatalytie degradation of paraquat using nano-sized Cu-TiOJSBA-15 under UV and visible light 显示文摘 | SOROLLA M G DALIDA M L KHEMTHONG P | 2011 | Journal of Environmental Sciences2011，24，6： | 1 |
| 7 | Photocatalytic degradation of paraquat using nano-sized CuTiO2/SBA-15 under UV and visible light显示文摘 | Sorolla M.G Dalida M.L Khemthong P | | 0，，06： | 1 |
| 8 | Synthesis and characterization of zeolite NaY from rice husk silica显示文摘 | WITTAYAKAM J KHEMTHONG P PRAYOONPOKARACH S | 2008 | Korean Journal of Chemical Engineering2008，25，4： | 1 |
| 9 | Structure and effect of diamagnetism on manganese lithium phosphate glass to cathode materials application显示文摘1-x(Li_(2)O-2 P_(2)O_(5))-xMnO_(2)glasses where x=0.2,0.3 and 0.4 mol%,respectively,were synthesized by meltedquenching method.The Mn and P oxidation states and local structures around Mn and P-ions including Mn-O and P-O bonding distances and coordination numbers have been studied via X-ray absorption near edge structure(XANES)and extended X-ray absorption fine structure(EXAFS),respectively.XANES results exhibit a coexistence of oxidation state of Mn2+and Mn^(3+)with a mean value of 2.82.Moreover,Mn and P K-edge EXAFS show the Mn-O and P-O bonding distances of approximately 2.083-2.094 A and 1.766-1.774 A,respectively.A paramagnetism was found for all Mn-P glasses.Additionally,the coercive field(Hc)and remnant magnetization(Mr)increased with increasing Mn contents.However,the low specific capacitances are seriously obtained(<40 F g^(-1))suggesting the effect of natural diamagnetism of lithium phosphate based-glass unlike the borate based-glasses which originally exhibit paramagnetism. | Pichitchai Butnoi Wipada Senanon Narong Chanlek Yingyot Poo-arporna Supree Pinitsoontorn Santi Maensiri Prayoon Songsiriritthigul Pongtanawat Khemthong Pinit Kidkhunthod | 2021 | Progress in Natural Science:Materials International2021，31，3： | 0 |
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