Showing 1 - 10 of 21
Mo-modified catalysts of Mo/TNU-9 were prepared for the non-oxidative aromatization of methane. The effects of different Si/Al ratios, Mo loadings and temperatures on the catalytic performance of Mo/TNU-9 catalysts were also investigated. Furthermore, for comparison, Mo/ZSM-5 was synthesized for...
Persistent link: https://www.econbiz.de/10011055186
The hydrolysis of aluminum powder can be efficiently improved by milling with hydrides, among which LiH performs the …
Persistent link: https://www.econbiz.de/10011053111
Aluminum powder is used for energetic materials due to high energy density. Controlling oxidation rate, oxidation …
Persistent link: https://www.econbiz.de/10011053319
The production of aluminum by the electrolytic Hall–Héroult process suffers from high energy requirements, the release … significantly less energy-intensive, is complicated by the formation of aluminum carbide and oxycarbides. In the present work, the … threshold for the onset of aluminum production is lowered, the formation of Al4C3 is decreased, and the yield of aluminum is …
Persistent link: https://www.econbiz.de/10011054308
between aluminum and water was evaluated. In the present work, the effect of CoCl2 and NiCl2 on aluminum–water reaction was … by use of a magnetic stirring bar and reused in subsequent rounds of aluminum–water reaction. …
Persistent link: https://www.econbiz.de/10011055471
The present study aims to investigate the comparative corrosion of light-weight metals such as aluminum and magnesium … higher compared to that of aluminum. The surface morphology revealed a significant difference between the biodiesel exposed … aluminum and magnesium specimens. Upon exposure to biodiesel, the magnesium surface was found to be fully covered by gel …
Persistent link: https://www.econbiz.de/10011056063
models that allow specifying curve asymmetry and use genetic algorithms as curve-fitting methods. We estimate the quality of …
Persistent link: https://www.econbiz.de/10010931368
A transient-state mathematical model for an ethanol basin solar still based on Spalding's work was developed. Driving … conductance (g) was obtained from an indoor experiment. Then productivity could be calculated. In order to validate the model an … ethanol basin solar still was tested under outdoor conditions. The model had RMSEs of 4% and 23% of the measured mean …
Persistent link: https://www.econbiz.de/10010807595
consumption. Model development has been made to facilitate a technical optimisation of individual heat pumps and heat storages in …
Persistent link: https://www.econbiz.de/10010807783
(coefficient of performance). A thermodynamic model for the air heat pump cycle with practical compressor and expander was … developed. The optimal heating COP and the corresponding pressure ratio were derived from the model. Then the cycle performance …
Persistent link: https://www.econbiz.de/10010809863