Výsledky vyhledávání - "Ola F. Wendt"

Akademický článek

Optimization of coal desulfurization method by sub/supercritical fluid extraction with binary mixtures of carbon dioxide and ethyl lactate as a solvent

Autor: Fiona M. Nermark, Rebecka Lindblad, Mmilili M. Mapolelo, Margareta Sandahl, Ola F. Wendt, Charlotta Turner

Publikováno v: Green Analytical Chemistry, Vol 9, Iss , Pp 100111- (2024)

Coal combustion for energy results in the emission of air pollutants such as NOx and SOx, which negatively affect human health and the environment. Reducing toxic gas emissions and ash production is needed to achieve cleaner coal. This study aimed to

Externí odkaz: https://doaj.org/article/8b327c90afae4c6bb82e82a9991bfed1

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Akademický článek

Highly efficient CO2 and propylene oxide co-polymerization using Zn glutarate/Zn-Cr double metal cyanide composite catalyst

Autor: Ruth Mbabazi, Steven Allan Nyanzi, Betty Naziriwo, Stephen O. Ojwach, Laura C. Folkers, Ola F. Wendt, Emmanuel Tebandeke

Publikováno v: Sustainable Chemistry for Climate Action, Vol 4, Iss , Pp 100037- (2024)

A highly active zinc glutarate-double metal cyanide (DMC) composite catalyst (ZnGA/Zn-CrDMC) was designed for the carbon dioxide (CO2) and propylene oxide (PO) copolymerization reaction. The composite catalyst was synthesized in a rheological phase r

Externí odkaz: https://doaj.org/article/448b80cfe8274057a42abab353958cab

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Akademický článek

One pot synthesis of styrene carbonate from carbon dioxide and styrene in water catalyzed by nano-silver modified polyoxometalates

Autor: Emmanuel Tebandeke, Irene Otworot Atuko, Betty Naziriwo, Reine Wallenberg, Ola F. Wendt

Publikováno v: Sustainable Chemistry for the Environment, Vol 2, Iss , Pp 100016- (2023)

Herein is reported an efficient catalytic system for the direct synthesis of styrene carbonate from styrene and CO2. The preparation and characterization of the catalyst using FTIR, TEM, EDX, XPS, and PXRD is presented. The catalyst comprised of nano

Externí odkaz: https://doaj.org/article/9f0bba0a65134f2f8937c30305e2f663

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Akademický článek

Desulfurization of Morupule Coal with Subcritical Aqueous Ethanol Extraction

Autor: Fiona M. Nermark, Dr. Mmilili M. Mapolelo, Prof. James Darkwa, Prof. Ola F. Wendt, Prof. Charlotta Turner

Publikováno v: ChemistryOpen, Vol 11, Iss 11, Pp n/a-n/a (2022)

Abstract Coal combustion greatly contributes to global emissions of toxic gases into the atmosphere, with sulfur emissions as one of the prominent pollutants in addition to carbon dioxide. Nevertheless, Botswana utilizes Morupule's sub‐bituminous c

Externí odkaz: https://doaj.org/article/4387a32477f649d0816cdbadf9a13db8

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Akademický článek

Synthesis of cyclic carbonates from epoxides and carbon dioxide catalyzed by talc and other phyllosilicates

Autor: Fiona Nakibuule, Steven Allan Nyanzi, Igor Oshchapovsky, Ola F. Wendt, Emmanuel Tebandeke

Publikováno v: BMC Chemistry, Vol 14, Iss 1, Pp 1-14 (2020)

Abstract Naturally occurring phyllosilicate minerals such as talc and vermiculite in conjunction with n-tetra butyl ammonium bromide (TBAB) co-catalyst were found to be efficient in the coupling of CO2 with epoxides to form cyclic carbonates. The rea

Externí odkaz: https://doaj.org/article/731f72eb87ed40b19324241dce392a3b

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Akademický článek

Advances in carbon dioxide and propylene oxide copolymerization to form poly(propylene carbonate) over heterogeneous catalysts

Autor: Ruth Mbabazi, Ola F. Wendt, Steven Allan Nyanzi, Betty Naziriwo, Emmanuel Tebandeke

Publikováno v: Results in Chemistry, Vol 4, Iss , Pp 100542- (2022)

Chemical conversion of carbon dioxide (CO2) into value-added products is an attractive industrial process because it offers several economic and environmental advantages. This review presents advances and challenges in the CO2 and propylene oxide (PO

Externí odkaz: https://doaj.org/article/7b0e6cc94fe5472da594b81659fa8263

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Akademický článek

Selective oxidation of benzyl alcohols with molecular oxygen as the oxidant using Ag-Cu catalysts supported on polyoxometalates

Autor: Simon Lukato, Ola F. Wendt, Reine Wallenberg, Gabriel N. Kasozi, Betty Naziriwo, Axel Persson, Laura C. Folkers, Emmanuel Tebandeke

Publikováno v: Results in Chemistry, Vol 3, Iss , Pp 100150- (2021)

We report an efficient process for the oxidation of benzyl alcohols using molecular oxygen as the oxidant catalyzed by Ag-Cu catalysts supported on polyoxometalates (Ag-Cu/POM). The Ag-Cu/POM catalyst was prepared by galvanic displacement in the pres

Externí odkaz: https://doaj.org/article/c68cc577d844479da4096552a1994b30

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Selective Valorization of Bio‐derived Levulinic Acid and Its Derivatives into Hydrocarbons and Biochemicals by Using Hydrosilylation

Autor: Nitish K. Garg, Mattias Tan, Magnus T. Johnson, Ola F. Wendt

Publikováno v: Chemistry – A European Journal. 29

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff155d220c88e45a6c0de212ff08f0af
https://doi.org/10.1002/chem.202300119

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Akademický článek

Synthesis and crystal structure of trans-dichlorido[3-methyl-1-(4-vinylbenzyl)-1H-imidazol-3-ium-2-yl-κC2](4-phenylpyridine-κN)palladium(II)

Autor: Maitham H. Majeed, Ola F. Wendt

Publikováno v: Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 4, Pp 534-537 (2016)

The title compound, [PdCl2(C11H9N)(C13H14N2)], represents a new class of palladium-based polymerizable monomer which could give a potentially catalytically active polymer. It was synthesized via transmetallation from the corresponding silver complex.

Externí odkaz: https://doaj.org/article/fc93a999c5d34fb98035154f06f6a2b2

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