نتایج جستجو برای: catalyst supports
تعداد نتایج: 152366 فیلتر نتایج به سال:
Catalysts obtained by the immobilisation of acidic ionic liquids (ILs) on solid supports offer several advantages compared to the use of catalytically active ILs themselves. Immobilisation may result in an increase in the number of accessible active sites of the catalyst and a reduction of the amount of the IL required. The ionic liquid films on the carrier surfaces provide a homogeneous enviro...
Recent interest in electricity production using microbial fuel cells makes it important to better understand O2 reduction in neutral solutions with non-precious metal catalysts. Higher O2 reduction activity was obtained using iron phthalocyanine supported on Ketjen black carbon (FePc-KJB) than with a platinum catalyst in neutral pH. At low overpotentials, a Tafel slope close to -0.06 V/dec in b...
Palm oil is a promising raw material for biofuel production using the simultaneous catalytic mechanism of bifunctional cracking-deoxygenation reactions. Through process, chains palmitic acid and oleic in palm were converted to diesel-range hydrocarbons. The combination effects CaCO3 HY zeolite enhanced into biofuel, because increasing basic sites catalysts due synergistic roles HY. introduction...
Bu çalışmada Co0,92-xMn0,08Ptx/TiO2 ve Co0,92-xMn0,08Ptx/Al2O3 nano katalizörleri sentezlenmiştir. Destekli katalizörlerin üretilmesinde impregnasyon tekniği kullanılmıştır. Katalizörlerin hidroliz yöntemi ile NaBH4’ü parçalararak yüksek hızda hidrojen üretme yetenekleri belirlenmiştir. özelliklerinin belirlenmesi için geçirimli taramalı electron mikroskopları (TEM SEM), X-ışını difraktometresi...
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