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| 1 | Al_2O_3基Ni-Cu双金属催化剂上乙酰丙酸氢解(英)显示文摘Inexpensive γ-alumina-based nickel-copper bimetallic catalysts were studied for the hydrogenolysis of levulinic acid,a key platform molecule for biomass conversion to biofuels and other valued chemicals,into γ-valerolactone as a first step towards the production of 2-methyltetrahydrofurane.The activities of both monometallic and bimetallic catalysts were tested.Their textural and chemical characteristics were determined by nitrogen physisorption,elemental analysis,temperature-programmed ammonia desorption,and temperature-programmed reduction.The monometallic nickel catalyst showed high activity but the highest bγ-product production and significant amounts of carbon deposited on the catalyst surface.The copper monometallic catalyst showed the lowest activity but the lowest carbon deposition.The incorporation of the two metals generated a bimetallic catalyst that displayed a similar activity to that of the Ni monometallic catalyst and significantly low bγ-product and carbon contents,indicating the occurrence of important synergetic effects.The influence of the preparation method was also examined by studying impregnated- and sol-gel-derived bimetallic catalysts.A strong dependency on the preparation procedure and calcination temperature was observed.The highest activity per metal atom was achieved using the sol-gel-derived catalyst that was calcined at 450 ℃.High reaction rates were achieved;the total levulinic acid conversion was obtained in less than 2 h of reaction time,yielding up to 96%γ-valerolactone,at operating temperature and pressure of 250 ℃ and 6.5 MPa hydrogen,respectively. | Iker Obregón Eriz Corro Urko Izquierdo Jesus Requies Pedro L.Arias | 2014 | 催化学报2014，35，5： | 8 |
| 2 | Liquid-phase glycerol hydrogenolysis to 1,2-propanediol under nitrogen pressure using 2-propanol as hydrogen source显示文摘 | I. Gandarias P.L. Arias J. Requies M. El Doukkali M.B. Güemez | 2011 | Journal of Catalysis2011，，1： | 2 |
| 3 | Hydrogenolysis of glycerol to propanediols over a Pt/ASA catalyst: The role of acid and metal sites on product selectivity and the reaction mechanism 显示文摘 | Gandarias I Arias P L Requies J | 2010 | Applied Catalysis B: Environmental2010，97，1： | 1 |
| 4 | From Biomass to Fuels:Hydrotreating of Oxygenated Compounds 显示文摘 | Gandarias I Barrio V L Requies J | 2008 | International Journal Of Hydrogen Energy2008，，33： | 1 |
| 5 | Partial Oxidation of Methane to Syngas over Ni/MgO and Ni/La2O3 Catalysts显示文摘 | Requies J Cabreo M A Barrio V L | | 0，，： | 1 |
| 6 | Natural and Synthetic Iron Oxides for Hydrogen Storage and Purification显示文摘 | Requies J Giemez M B Perez Gil S | 2013 | J Mater Sci2013，48，： | 1 |
| 7 | From biomass to fuels : hydrotreating of oxygenated compounds 显示文摘 | Gandarias I Barrio V L Requies J | 2008 | International Journal of Hydrogen Energy2008，33，13： | 1 |
| 8 | Pore size tuning of functionalized SBA-15 catalysts for the selective production of furfural from xylose显示文摘 | Agirrezabal-Telleria I Requies J Güemez M B | 2012 | Applied Catalysis B:Environmental2012，15，： | 1 |
| 9 | Natural and Synthetic Iron Oxides for Hydrogen Storage and Purification显示文摘 | Requies J Guemez M B Perez Gil S | 2013 | J Mater Sci2013，48，： | 1 |
| 10 | Furfural production from xylose using sulfonic ion - exchange resins ( Amber- lyst) and simultaneous stripping with nitrogen 显示文摘 | Agirrezabal - Telleria I Larreategui A Requies J et at | 2011 | Bioresource Technology2011，102，16： | 1 |
| 11 | From biomass to fuels: Hydrotreating of oxygenated compounds显示文摘 | GANDARIAS I BARRIO V L REQUIES J | 2008 | Int J Hydrogen Energy2008，33，13： | 1 |
| 12 | Partial oxidation of methane to syngas over Ni/MgO and Ni/La2O3 catalysts显示文摘 | Requies J Cabrero M A Barrio V L | 2005 | Appl Catal A:Gen2005，289，： | 1 |
| 13 | Liquid-phase glycerol hydrogenolysis to 1, 2-propanediol under nitrogen pressure using 2-propanol as hydrogen source 显示文摘 | Gandarias I Arias P L Requies J | 2011 | Journal of Catalysis2011，282，1： | 1 |
| 14 | Liquid-phase glycerol hydrogenolysis by formic acid over Ni-Cu/A12O3 catalysts显示文摘 | Gandarias I Requies J Arias P L | 2012 | Journal of Catalysis2012，290，： | 1 |
| 15 | Flotation rate measurements to optimize an operating circuit显示文摘 | AGAR G E CHIA J REQUIS C L | | 0，，04： | 1 |
| 16 | Synergistic effect of Pd in methane combustion PdMnOx/Al2O3 catalysts显示文摘 | de la PENA O'SHEA V A ALVAREZ-GALVAN M C REQUIES J BARRIO V L ARIAS P L CAMBRA J F GUEMEZ M B FIERRO J L G | 2007 | Catalysis Communications2007，8，： | 1 |
| 17 | Furfural pro- duction from xylose using sulfonic ion -exchange resins(Amberlyst) and simultaneous stripping with nitrogen 显示文摘 | Arirrezabal - Telleria I Larreategui A Requies F | 2011 | Bioresource Technolo- gy2011，102，16： | 1 |
| 18 | Hydrometallurgical process development for the production of a zinc sulphate liquor suitable for electrowinning 显示文摘 | Herrero D Arias P L Güemez B Barrio V L Cambra J F Requies J | 2010 | Minerals Engineering2010，23，6： | 1 |
| 19 | Furfural production from xylose using sulfonic ionexchangeresins (Amberlyst) and simultaneous strippingwith nitrogen显示文摘 | Agirrezabal-Telleria I Larreategui A Requies J | 2011 | Bioresource Technology2011，，102： | 1 |
| 20 | Effect of RedoxAd- ditives over Ni/Al2O3 Catalysts on Syngas Production via Meth- ane Catalytic Partial Oxidation 显示文摘 | Requies J Barrio V L Cambra J F | 2008 | Fuel2008，87，1516： | 1 |
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