نتایج جستجو برای: partial oxidation
تعداد نتایج: 344750 فیلتر نتایج به سال:
The effects of electronic properties of inner and outer surfaces of Carbon Nano Tubes (CNTs) on the deactivation of cobalt Fischer-Tropsch (FT) catalysts were studied. The comparative characterization of the fresh and used catalysts by TEM, XRD, TPR, BET and H2 chemisorption showed that cobalt re-oxidation, cobalt-support interactions and sintering are the main sources o...
The formation of syngas (H2 and CO) from methane in a rhodium coated monolith is studied as an example for the simulation of reactive ow in a partial oxidation reactor. A tube wall catalytic reactor, which serves as a model for a single pore of the monolithic catalyst, is simulated. The simulation is carried out using a two-dimensional ow eld description coupled with detailed reaction mechanism...
Synthesis gas is a mixture of hydrogen and carbon monoxide which is used in many chemical and metallurgy processes and is the main intermediary for some chemical compounds like methanol and ammonia, liquid fuels and solvents. Various methods of synthesis gas are available and partial oxidation of methane is one of them. One of the newest techniques is to use plasma reactors for this purpose whi...
Small addition of potassium to V/Ti-oxide catalyst (K:V=0.19), consisting of 3.7 monolayer VOx , increased activity and selectivity in partial oxidation of toluene. In order to elucidate the nature of vanadia species formed on the surface of V/Ti-oxide upon potassium doping, the catalysts were studied by transient kinetics method. The transient product responses during toluene oxidation by the ...
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