Results 11 to 20 of about 44,789 (219)
Molecules, 2022 Palladium immobilized on an amide and ether functionalized porous organic polymer (Pd@AEPOP) is reported to be an effective heterogeneous catalyst for the Heck cross-coupling reaction of aryl iodides with styrene for the synthesis of diphenylethene ...
Guanying Shi, Zhenhua Dong
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Selective Oxidation of Cyclohexene, Toluene and Ethyl Benzene Catalyzed by Bis-(L-tyrosinato)copper(II), Immersed in a Magnetite-Infused Silica Matrix [PDF]
Nanochemistry Research, 2016 Bis-(L-tyrosinato)copper(II) was reacted with 3-(chloropropyl)-trimethoxysilane functionalized silica that has infused magnetite to yield a magnetically separable catalyst in which the copper carboxylate is covalently linked to the silica matrix through ...
Massomeh Ghorbanloo +2 more
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Comparison of Ethylene/1-Hexene Copolymers Microstructures Synthesized by Homogeneous and Heterogeneous Metallocene Catalysts [PDF]
علوم و تکنولوژی پلیمر, 2013 The substituted (bis-2-PhIndZrCl2) and non-substituted (bis-IndZrCl2) indenylbased metallocene catalysts were synthesized and used in homogenous and heterogeneous forms for copolymerization of ethylene and 1-hexene.
Saeid Ahmadjo
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Biodiesel preparation from Camelina sativa oil by homogeneous and heterogeneous transesterification [PDF]
E3S Web of ConferencesBiodiesel is one of the possible alternatives to diesel fuel to address the issue of fossil fuels and their impact on the environment. Substituting homogeneous transesterification with heterogeneous offers advantages such as improved catalyst and product
Bérešová Miroslava +2 more
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Chemical Engineering Transactions, 2020 Biodiesel is considered as one of the renewable sources of energy that has been highlighted as an alternative fuel due to its versatile properties. Despite the fact that it is remarkable, there are several issues such as its industrial production cost ...
Zarifah Zailan +5 more
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Magnetically Separable Base Catalysts: Heterogeneous Catalysis vs. Quasi-Homogeneous Catalysis
Applied Sciences, 2012 The synthesis of magnetically separable quasi-homogeneous base catalyst and heterogeneous base catalyst is described. The quasi-homogeneous catalyst is achieved by supporting silane monomers functionalized with different amine groups directly on the ...
Raed Abu-Reziq, Howard Alper
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SnCl4/nano-sawdust as an Efficient Bio-based Catalyst for the Synthesis of 2-Substituted Benzothiazoles and Benzimidazoles [PDF]
Journal of Nanostructures, 2019 SnCl4/nano-sawdust was prepared as a carbohydrate-based catalyst containing of tin bearing cellulose units. The catalyst was characterized by X-ray diffraction (XRD), fourier transform infrared spectroscopy (FT-IR), field emission scanning electron ...
Bi Bi Fatemeh Mirjalili +3 more
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Applied Surface Science Advances, 2021 A novel heterogeneous catalyst was prepared by chemical attachment of oxo-molybdenum on functionalized GO as stable support (Mo(PDA–GO). This catalyst was characterized by using thermogravimetric analysis (TGA), Fourier transform infrared (FT-IR ...
Ali Zarnegaryan, Shiva Kargar
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Petroleum Science, 2019 An ultrasound-assisted heterogeneous catalytic oxidation process was applied to eliminate sulfur from commercial diesel fuel oil. The studied variables were catalyst concentration, type of catalyst (homogeneous or heterogeneous), oxidizing agent ...
Roberto Flores +2 more
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Karanja seed shell ash: A sustainable green heterogeneous catalyst for biodiesel production
Results in Engineering, 2023 In the present study, the ash from discarded Karanja seed shell (KSS), obtained after burning dried seed shells has been identified as one of the most cost-effective and efficient green heterogeneous catalysts for biodiesel production.
Pooja Prajapati +7 more
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