Results 31 to 40 of about 66,471 (314)

Catalyst in Basic Oleochemicals [PDF]

open access: yes, 2007
Currently Indonesia is the world largest palm oil producer with production volume reaching 16 million tones per annum. The high crude oil and ethylene prices in the last 3 – 4 years contribute to the healthy demand growth for basic oleochemicals: fatty ...
Abun Lie   +11 more
core   +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

Self-Supported Heterogeneous Dirhodium(II) Catalyst for Nitrene and Carbene Transfer Reactions

open access: yes, 2023
The bimetallic rhodium(II) paddlewheel (Rh2A4) complex is one of the most reactive classes of rhodium catalysts, well-renowned for the most demanding carbene- and nitrene-transfer reactions.
Vanaparthi, Satheesh   +5 more
core   +1 more source

SnCl4/nano-sawdust as an Efficient Bio-based Catalyst for the Synthesis of 2-Substituted Benzothiazoles and Benzimidazoles [PDF]

open access: yesJournal 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
doaj   +1 more source

Pushing heterogeneous bimetallic catalyst to biatomic ensemble

open access: yes, 2022
The supported bimetallic catalysts with well-defined structure play a crucial role in heterogeneous catalytic reactions. Recently in Cell Reports Physical Science, Chen et al.
Huang, X   +3 more
core   +1 more source

Graphene oxide nanosheet supported molybdenum complex: An efficient and recoverable catalyst for epoxidation of alkenes

open access: yesApplied 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
doaj   +1 more source

Synthesis of Sustainable and Robust Heterogeneous TEMPO Catalyst utilizing Activated Carbon for Aerobic Alcohol Oxidation

open access: yes, 2023
The selective oxidation of alcohols is a crucial process in organic chemistry, but current methodologies have limitations such as pollution and over-oxidation.
Jisong, Zhang   +5 more
core   +1 more source

Karanja seed shell ash: A sustainable green heterogeneous catalyst for biodiesel production

open access: yesResults 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
doaj   +1 more source

Oxidative desulfurization of diesel fuel oil using supported Fenton catalysts and assisted with ultrasonic energy

open access: yesPetroleum 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
doaj   +1 more source

Bio-inspired heterogeneous Fe4S4 single-cluster catalyst for enhanced electrochemical CO2 reduction to CH4

open access: yes, 2022
Electrochemical conversion of carbon dioxide promises next-level paradigm shifts in sustainability. Applications will include breakthrough solutions to global crisis threatening our civilization, including energy, food, and climate change. Here, inspired
Lan, Ma, Hengyue, Xu
core   +1 more source

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