Felix Daniel Bobbink

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Cours enseignés par cette personne (2)

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Domaines de recherche associés (22)

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Publications associées (31)

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Personnes menant des recherches similaires (98)

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Mechanistic classification and benchmarking of polyolefin depolymerization over silica-alumina-based catalysts

Felix Daniel Bobbink, Jed Russell Carullo, Paul Joseph Dyson, Wei-Tse Lee, Mounir Driss Mensi, Antoine Philippe Van Muyden

Carbon-carbon bond cleavage mechanisms play a key role in the selective deconstruction of alkanes and polyolefins. Here, we show that the product distribution, which encompasses carbon range and formation of unsaturated and isomerization products, serves as a distinctive feature that allows the reaction pathways of different catalysts to be classified. Co, Ni, or Ru nanoparticles immobilized on amorphous silica-alumina, Zeo-Y and ZSM-5, were evaluated as catalysts in the deconstruction of n-hexadecane model substrate with hydrogen to delineate between different mechanisms, i.e., monofunctional- (acid site dominated) or bifunctional-hydrocracking (acid site & metal site) versus hydrogenolysis (metal site dominated), established from the product distributions. The ZSM-5-based catalysts were further studied in the depolymerization of polyethylene. Based on these studies, the catalysts are plotted on an activity-mechanism map that functions as an expandable basis to benchmark catalytic activity and to identify optimal catalysts that afford specific product distributions. The systematic approach reported here should facilitate the acceleration of catalyst discovery for polyolefin depolymerization.

2022

Chargement

Anhydrous Conditions Enable the Catalyst-Free Carboxylation of Aromatic Alkynes with CO2 under Mild Conditions

Felix Daniel Bobbink, Paul Joseph Dyson, Marinella Mazzanti, Davide Toniolo

The direct carboxylation of aromatic alkynes with CO2, a cheap and widely available C1 source, is the most attractive method for the synthesis of carboxylic acids. Here we show that direct carboxylation of terminal alkynes can be simply performed in near-quantitative yield in four hours with anhydrous Cs2CO3 under mild conditions without need of a metal catalyst.

WILEY-V C H VERLAG GMBH2020

Chargement

Direct conversion of plastic materials into methane and liquid fuels

Felix Daniel Bobbink, Paul Joseph Dyson, Wei-Tse Lee, Antoine Philippe Van Muyden

The invention relates to a method for direct conversion of plastic materials into methane and/or liquid fuel and use of ruthenium-modified zeolite to catalyse this conversion.

2020

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