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Effect of support on molybdenum oxide acidity for n-heptane isomerization
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نویسنده
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fatah n.a.a. ,triwahyono s. ,jalil a.a.
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منبع
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jurnal teknologi - 2016 - دوره : 78 - شماره : 8-3 - صفحه:19 -23
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چکیده
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Skeletal isomerization of alkanes into the corresponding branched isomers has attracted many attentions as a reaction to produce clean fuel with high octane quality. in this study,molybdenum oxide (moo3) catalyst supported on mesostructured silica nanoparticles (msn),hzsm-5 and mcm-41 activity were being tested towards n-heptane isomerization at 623 k. the catalyst acidity was characterized by using ftir pre-adsorb pyridine. the results showed that moo3-msn possesses highest lewis acid and lowest brönsted acid concentrations. the catalytic testing towards n-heptane isomerization showed that moo3-msn exhibited the highest n-heptane conversion of 18.7 % at 623 k. it was suggested that the high lewis acid in the moo3-msn may facilitate the formation of active protonic acid sites from molecular hydrogen through hydrogen spillover mechanism and hence improves the n-heptane conversion. © 2016 penerbit utm press. all rights reserved.
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کلیدواژه
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Lewis acid; Molybdenum oxide; N-heptane isomerization; Protonic acid site; Pyridine
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آدرس
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department of chemical engineering,faculty of chemical and energy engineering,universiti teknologi malaysia,johor bahru,johor, Malaysia, department of chemistry,faculty of science,universiti teknologi malaysia,johor bahru,johor, Malaysia, department of chemical engineering,faculty of chemical and energy engineering,universiti teknologi malaysia,johor bahru,johor,malaysia,centre of hydrogen energy,institute of future energy,universiti teknologi malaysia,johor bahru,johor, Malaysia
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Authors
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