نتایج جستجو برای: propane dehydrogenation
تعداد نتایج: 6759 فیلتر نتایج به سال:
The electronic and structural properties of vanadium-containing phases govern the formation of isolated active sites at the surface of these catalysts for selective alkane oxidation. This concept is not restricted to vanadium oxide. The deliberate use of hydrothermal techniques can turn the typical combustion catalyst manganese oxide into a selective catalyst for oxidative propane dehydrogenati...
The effects of alkali oxides on the structure and on the catalytic behavior of MoOx/ZrO2 were examined for the oxidative dehydrogenation (ODH) of propane. X-ray diffraction, Raman and X-ray absorption spectroscopy, and estimates of the MoOx surface density are consistent with the predominant presence of two-dimensional polymolybdate domains in samples with ∼4 Mo/nm2 surface density and (alkali/...
Propylene (propene) is one of the most important feedstocks in the chemical industry. It is a starting material for the synthesis of a wide variety of commodity chemicals ranging from small molecules (cumene, isopropanol, acrylonitrile, acrylic acid, propylene oxide, and butyraldehyde) to polymers (most notably, polypropylene). In 2013, approximately 85 million tons of propylene were processed ...
Phosphates represent diverse complex systems, whose basic structural unit is tetrahedron. They are widely applied as catalysts, carriers of catalytic active substances, adsorbents and ion exchangers. Phosphoric acid phosphates act catalyst for reactions alkylation, cracking, izomerization, polymerization, hydrogenation dehydrogenation. some metals promote oxidation normal alkanes with derivatio...
Abstract CeO 2 , V O 5 and CeVO 4 were synthesised as bulk oxides, or deposited over activated carbon, characterized by XRD, HRTEM, CO -TPO, C 3 H 8 -TPR, DRIFTS Raman techniques tested in propane oxidative dehydrogenation using . Complete oxidation of to is favoured lattice oxygen The temperature programmed experiments show the ~ nm AC supported crystallites become more susceptible reduction p...
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