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Catalyst Deactivation 2001: Proceedings of the 9th ... - 42페이지
Thus, the NiZn-Al catalyst is the most selective to ethane, while the Ni-Co-Zn-Al catalyst is the least selective. The maximum amount of coke (Fig. 3a) after three hours of reaction corresponds to the Ni-Cu-Zn-Al catalyst, in agreement with the ...
J.J. Spivey, G.W. Roberts, B.H. Davis, 2001
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Catalyst Deactivation 1997 - 471페이지
J. Hepola and P. Simell VTT Energy, Energy Production Technologies, PO Box 1601 FIN-02044 Finland The sulfur distribution and content of nickel catalyst beds were analyzed to account for poisoning effects of sulfur on the activities of ...
G.A. Fuentes, C.H. Bartholomew, 1997
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Catalyst Deactivation 1991 - 254페이지
The decreasing order of peak temperature of the low-temperature peak is Ni-La (390 K) > Ni (389 K) > Ni-W (383 K) > Ni-Mo (379 K). ... Thus, the greater the coking rate of a nickel catalyst, the higher the peak temperature of its TPD spectrum.
C.H. Bartholomew, J.B. Butt, 1991
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PEM Fuel Cell Electrocatalysts and Catalyst Layers: ... - 156페이지
In their report, Pt/C catalyst prepared by the carbon cryogel material has a lower mean particle size (2.6 nm) and a narrower ... Raney nickel is a solid catalyst, composed of fine grains of a nickel-aluminum alloy, and has been used in many ...
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Catalyst Deactivation 1994 - 286페이지
G.F. Froment, B. Delmon. CHL3 in Ni/MgO in the steam reforming of n-hexane [4]. Figure 4 shows the results of endurance tests at 800°C. These results fall into three main groups according to the deactivation. The first group (G1) involving ...
G.F. Froment, B. Delmon, 1994
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World Conference on Emerging Technologies in the Fats and ...
Pennsylvania are one of the largest U.S. processors and secondary metal refiners of iron, nickel and chromium wastes. Although spent nickel catalyst is an important segment of the business, the overall volume of catalyst processed is a ...
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Catalyst Preparation: Science and Engineering - 329페이지
layer of Ni(II) bonded to silica, and leads to the formation of supported 1 : 1 nickel phyllosilicates. • The solubility of silica of low surface area (50 m2/g) is weaker and its rate of dissolution is slower because of the smaller support-solution ...
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Proceedings of the World Conference on Lauric Oils: ... - 74페이지
The preparation of the catalyst involves the use of inorganic supports, such as silica, for deposition of the nickel salt, such as basic nickel carbonate, at the precipitation stage (4-6). The silica source can be kieselguhr, synthetic silica, or ash ...
Thomas H. Applewhite, 1994
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Catalyst Design for Tailor-Made Polyolefins - 315페이지
30. M01. Mass. Regulation. in. the. Allyl. Nickel. Complex. Catalyzed. 1,. 4—cis. Polymerization. of. Butadiene. R. TAUBE, S. WACHE and J. LANGLOTZ Institute of Inorganic Chemistry, Martin-Luther-University Halle-Wittenberg, Geusaer ...
M. Terano, K. Soga, 1994
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Food Chemicals Codex - 301페이지
Packaging and Storage Store in tight, light-resistant containers. the majority of aluminum, thus leaving a highly porous (skeletal) Nickel solid. The resulting Sponge Nickel Catalyst is extremely pyrophoric in air and must be stored under an inert ...
Institute of Medicine (U.S.). Committee on Food Chemicals Codex, 2003
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KIST, 2차원 나노소재 형성 메커니즘 규명
나노소재의 합성환경, 촉매 기판, 전구체를 함수로 넣어 최종적으로 합성할 2차원 ... 사용할 수 있을 뿐만 아니라 기존의 구리와 니켈촉매를 사용하여 합성된 그래핀 ... «투데이에너지, 7월 15»
