Results 11 to 20 of about 190,133 (313)

Homogeneous silver catalyst for propylene electrooxidation to propylene glycol [PDF]

open access: yesNature Communications
Electrically-powered synthesis provides a sustainable approach for propylene oxidation to propylene oxide and propylene glycol in aqueous medium using water as the oxygen source, which can substitute conventional energy-intensive process that relies on ...
Bo-Jun Yuan   +11 more
doaj   +2 more sources

The Fast Formation of a Highly Active Homogeneous Catalytic System upon the Soft Leaching of Pd Species from a Heterogeneous Pd/C Precursor

open access: yesInorganics, 2023
Understanding the interface between soluble metal complexes and supported metal particles is important in order to reveal reaction mechanisms in a new generation of highly active homogeneous transition metal catalysts. In this study, we show that, in the
Alexey S. Galushko   +5 more
doaj   +1 more source

Recyclable nanosize homogeneous catalysts [PDF]

open access: yesComptes Rendus. Chimie, 2003
For industrial chemical processes, it would be highly desirable from both a commercial and an environmental point of view to incorporate the advantages of homogeneous and heterogeneous catalysis into one chemical process. The ultimate goal is to design a catalytic system with the high activity and selectivity of homogeneous catalysts, the efficient ...
van Klink, G.P.M.   +2 more
openaire   +3 more sources

Selective Oxidation of Cyclohexene, Toluene and Ethyl Benzene Catalyzed by Bis-(L-tyrosinato)copper(II), Immersed in a Magnetite-Infused Silica Matrix [PDF]

open access: yesNanochemistry 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
doaj   +1 more source

A Review on the Recent Breakthrough Methods and Influential Parameters in the Biodiesel Synthesis and Purification

open access: yesInternational Journal of Renewable Energy Development, 2022
Biodiesel has recently received much attention as an energy source with numerous benefits such as high degradability, negligible toxicity, and minimal emissions of carbon monoxide gases as well as particulates.
S. Silviana   +7 more
doaj   +1 more source

Monometallic cerium layered double hydroxide supported Pd-Ni nanoparticles as high performance catalysts for lignin hydrogenolysis [PDF]

open access: yes, 2020
Monometallic cerium layered double hydroxides (Ce-LDH) supports were successfully synthesized by a homogeneous alkalization route driven by hexamethylenetetramine (HMT).
Bruneel, Els   +7 more
core   +1 more source

State of the Art of Catalysts for Biodiesel Production

open access: yesFrontiers in Energy Research, 2020
Biodiesel is one of the potential alternative energy sources that can be derived from renewable and low-grade origin through different processes. One of the processes is alcoholysis or transesterification in the presence of a suitable catalyst.
I. M. Rizwanul Fattah   +6 more
doaj   +1 more source

Advancements of Biochar-Based Catalyst for Improved Production of Biodiesel: A Comprehensive Review

open access: yesEnergies, 2023
Despite being a limited and scarce resource, the necessity and exploitation of fossil fuels are unstoppable in serving human demands. In order to supply energy demand without causing environmental damage, it is crucial to utilize a variety of renewable ...
Sooraj Kumar   +4 more
doaj   +1 more source

Magnetically Separable Base Catalysts: Heterogeneous Catalysis vs. Quasi-Homogeneous Catalysis

open access: yesApplied 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
doaj   +1 more source

A Platinum molecular complex immobilised on the surface of graphene as active catalyst in alkyne hydrosilylation [PDF]

open access: yes, 2020
A platinum complex bearing a N‐heterocyclic carbene (NHC) ligand functionalised with a pyrene‐tag is immobilised onto the surface of reduced graphene oxide (rGO).
Borja, Pilar   +4 more
core   +3 more sources

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