搜索结果: 1-15 共查到“有机化学 Pt/C”相关记录18条 . 查询时间(0.109 秒)
Kinetics of CO oxidation over Pt-CeOx supported on air-oxidized activated carbon
Carbon monoxide oxidation kinetics Pt-ceria catalysts activated carbon supports PROX
2010/4/8
Kinetics of low-temperature CO oxidation was studied under atmospheric pressure at 383 K in the initial rates region over 1wt%Pt-1wt%CeOx supported on air-oxidized activated carbon (AC2). Feed concent...
Comparative study of selective CO oxidation over Pt-Co-M/Al2O3 catalysts (M=Ce, Mg, Mn, Zr, Fe) in hydrogen-rich streams: effects of a second promoter
Selective CO oxidation promoted Pt catalysts Pt-Co/Al2O3 catalyst fuel cell fuel processor
2010/4/8
The selective CO oxidation over Pt-Co/Al2O3 catalyst in hydrogen-rich streams was studied in the presence of Ce, Mg, Mn, Ze, and Fe as the second promoters. The catalysts were prepared using incipient...
Performance analysis for direct 2-propanol fuel-cell based on Pt containing anode electrocatalysts
Propanol Fuel cell Performance Electrocatalyst
2010/4/8
Direct 2-propanol cell performance based on Pt containing anode electrocatalyst was evaluated. Cell performance, open circuit voltage, maximum current density, and maximum power density were measured ...
Water-Gas Shift Reaction over Bimetallic Pt-Ni/Al2O3 Catalysts
Water-gas shift Pt-Ni CO removal high temperature shift (HTS)
2010/4/9
The water-gas shift (WGS) activity of bimetallic Pt-Ni/Al2O3 catalysts was investigated in the temperature range 200-450 °C using an idealized feed composition consisting of 3% CO and 6%-10% H2O. The ...
On the Structure Sensitivity of CO Oxidation on Alumina Supported Pd--Pt Bimetallic Catalysts
CO oxidation bimetallic catalysts palladium platinum surface segregation Monte Carlo simulation
2010/4/9
CO oxidation reaction was studied over monometallic and bimetallic palladium--platinum catalysts at 25:75, 50:50, and 75:25 Pd:Pt atomic fractions co-impregnated over a g -Al2O3 support. The size of t...
Hydrogenation of Citral over Pt and Pt-Sn Catalysts
Citral Pt-Sn hydrogenation unsaturated alcohols citronellal zeolite catalysts
2010/4/13
Hydrogenation of citral on monometallic (Pt) and bimetallic (Pt-Sn) catalysts was investigated. It was found that the catalyst activities and product distributions were different over Na-Y and Clino s...
以Pt(DVDS)-Phan体系作为末端炔烃与三乙基硅烷或三苯基硅烷进行硅氢加成的催化剂, 除三甲基硅乙炔与三乙己硅烷反应外, 其余反应的收率均高于90%, 并且高选择性地或唯一地得到马氏加成产物或者反马氏反式加成产物, 立体选择性或区域选择性超过95%.
摘要 合成了二苯并18冠6与Pd,Pt生成的新颖配合物：[K(DI18C6)]2[Pd(SCN)4](1),(K(DB18C6)]2[Pt(SCN)4](2)，并通过元素分析、红外光谱、单晶X射线衍射进行了表征，两个配合物均为三斜晶系，空间群P-1.1的晶体学数据：a=087375(17)nm,b=1.1990(2)nm,C=1.3180(3)nm,α=73.56(3)°,β=99.90(3)°,...
摘要 用H_2还原K_2PtCl_4溶液的方法在常温下合成了Pt纳米粒子，考察了poly(N- isopropylacrylamide)(PNIPA), poly(N-vinylacetamide)(PNVA)和poly (vinylalcohol)(PVA)等三种可溶于水的聚合物对Pt纳米粒子大小和溶胶稳定性的 影响。TEM和溶胶中加入KCl电解质溶液后溶胶稳定性测定结果表明，以PNIPA为稳 ...
摘要 合成了苯并15-冠-5、二苯并18-冠-6与Na_2[Pt(SCN)_6]的配合物：[Na(B15- C-5)]_2[Pt(SCN)_6] (1)，[Na(DB18-C-6)]_2[Pt(SCN)_6] (2)，并通过元素分析 、红外光谱、单晶X射线衍射进行了表征。1为单斜晶系，空间群P2_1/c，a = 1. 0974(5) nm，b = 1.5187(7) nm，c = 1.3632(6...
苯并18－冠－6与M2[Pt(SCN)6](M=Na,K)配合物的合成、结构
固态配合物 苯并 合成
2007/12/20
摘要 合成了苯并18－冠－6(B18C6)与M2[Pt(SCN)6](M=Na,K)的配合物：{[Na (B18C6)]6[Pt(SCN)6]}[Pt(SCN)6](SCN)2(1),[K(B18C6)]2[Pt(SCN)6]·4H2O(2). 通过元素分析、红外光谱、单晶X射线衍射进行了表征.1为单斜晶系、空间群R3^-, a=b=1.9933(3)nm,c=2.9760(6)nm,α=β=90...
cis-[Pt(depe)(NCS)(SCN))]和cis-[Pt(dPr'pe)(NCS)]配合物的合成和分子结构
晶体结构测定 分子结构 顺式 有机磷化合物 丙酮 铂络合物 酸根 硫氰酸 异硫氰酸 键合
2007/12/19
摘要 本文研究了在1:1丙酮-水混合溶剂中回流条件下, cis-[Pt(diphos)Cl2]与NaCNS之间的取代反应, 第一次合成了CNS的混合键合异构体的depe铂配合物cis-[Pt(depe)(NCS)(SCN)], 进行了分子结构测定, 属单斜晶系, 空间群为P21/n晶胞参数: a=7.296(5), b=14.434(4), c=18.042(4)A, β=95.72(8)°,V=...
苯并15-冠-5与Na_2[M(SCN)_4](M=Pd,Pt)配合物的合成与结构
冠式化合物 铂化合物 钯化合物 晶体结构
2007/12/13
摘要 合成了苯并15-冠-5与Na_2[M(SCN)_4] (M = Pd, Pt)生成的配合物：[Na(B15- C-5)]_2[Pd(SCN)_4] (1), {[Na(B15-C-5)][Na(B15-C-5)(H_2O)]}[Pt(SCN)_4] (2)。1为单斜晶系，空间群P2_1/n，a = 1.0164(6) nm，b = 1.3743(3) nm，c = 1.4987(7) nm，...
Low Temperature CO Oxidation Kinetics over Activated Carbon Supported Pt-SnOx Catalysts
FATMA SOYAL BALTACIOĞ LU BERRİ N GÜ LYÜ Z AHMET ERHAN AKSOYLU ZEYNEP İ LSEN Ö NSAN
2010/4/16
The kinetics of low temperature CO oxidation were studied over sequentially impregnated 1wt%Pt-0.25wt%SnOx supported on HNO3-oxidized activated carbon (AC3) using a wide range of CO (1-10 mol%) and O2...
Kinetic Study of Selective CO Oxidation over Pt-Co-Ce/Al2O3 Catalyst in Hydrogen-Rich Streams
CO oxidation Pt-Co-Ce/Al2O3 catalyst kinetic study reaction mechanism
2010/4/16
The kinetics of the selective CO oxidation was studied in a fixed-bed microreactor at atmospheric pressure over Pt-Co-Ce/Al2O3 catalyst, which was prepared using the incipient to wetness co-impregnati...