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以Si-Al凝胶、高岭土水热晶化合成多级孔道催化材料
硅铝凝胶 水热晶化 NaY分子筛 多级孔道材料
2014/4/6
以硅铝凝胶为模板剂，在高岭土制浆过程中加入，经喷雾、焙烧后，在水热条件下晶化合成含有NaY分子筛和基质的多孔复合材料。采用X射线衍射法、N2 静态吸附法对所合成的样品进行分析表征，考察了硅铝凝胶的加入量对NaY分子筛相对结晶度、n(SiO2)/n(Al2O3)以及复合材料孔道分布的影响。结果表明，随着硅铝凝胶加入量的增加，晶化产物在介孔范围内的孔容及比表面积均有较大幅度的提高，介孔分布也更为集中；...
Steam Reforming of Ethanol over Co/La1-xSrxBO3 (B = Al, Cr, Mn, Fe) Catalysts
Steam reforming Ethanol Hydrogen production Perovskite Lattice oxygen
2009/8/4
The steam reforming of ethanol for producing hydrogen was evaluated over 5 wt% Co catalysts supported on perovskite-type oxides, La1-xSrxBO3 (B = Al, Cr, Mn, Fe, x = 0-0.2) at 823 K with a molar H2O/C...
Design of Cu-Zn-Al-Sc Oxide Catalyst for Methanol Synthesis Using Genetic Algorithm Based on Radial Basis Function Network as the Evaluation Function
Combinatorial chemistry High throughput screening Genetic algorithm
2009/7/24
Optimization of catalyst composition using a genetic algorithm (GA) is intended to increase the activity in a series of repetitive steps consisting of determination of the composition, catalyst prepa...
Application of Genetic Algorithm to Optimize the Composition of Cu-Zn-Al-Sc Oxide Catalyst for Methanol Synthesis
Genetic algorithm Catalyst optimization Combinatorial chemistry
2009/7/24
A genetic algorithm (GA), which is based on the theory of biological evolution, was applied to optimize the composition of Cu-Zn-Al-Sc oxide catalyst for methanol synthesis to identify high performan...
Reservoir fluids in Umm Al-Anbar Field
PVT near critical fluid phase boundary secondary gas migration
2009/5/7
Reservoir fluids in Umm Al-Anbar (AR) Field have unique characteristics with vertical variations in the hydrocarbon properties in the 500-ft thickness of Arab Formations. While Arab A and B reservoi...
丙烯环氧化制环氧丙烷Fe-Al-P-O催化剂的研究
溶胶-凝胶法 Fe-Al-P-O催化剂 丙烯 环氧化 环氧丙烷
2008/3/2
摘要用溶胶-凝胶法制得了Fe-Al-P-O催化剂，采用IR、XRD、TEM、BET、TPR和微反等技术研究了催化剂的物化性质和反应性能。实验结果表明，Fe1/2-Al1/2-PO4由10 nm左右 FePO4和AlPO4微晶组合而成，其晶格氧的活泼性大于单纯FePO4，AlPO4在Fe1/2-Al1/2-PO4中起到分散FePO4微晶的作用；Fe1/2-Al1/2-PO4的反应性能与原料气组成密切...