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Hydrogenation of a hydroformylated naphtha model (mixture of specific aldehydes) catalysed by Ru/TPPTS complex in aqueous media

Paper ID Volume ID Publish Year Pages File Format Full-Text
42317 45920 2009 6 PDF Available
Title
Hydrogenation of a hydroformylated naphtha model (mixture of specific aldehydes) catalysed by Ru/TPPTS complex in aqueous media
Abstract

Aqueous biphasic hydrogenation of a mixture of 2-methylvaleraldehyde, 2-ethylbutyraldehyde, hexanal, heptaldehyde, 2-phenylpropionaldehyde and hydrocinnamaldehyde, which are all met in a hydroformylated naphtha (the feedstock of gasoline production) in high yield (mol%) according to the literature, was carried out with ruthenium complex containing the water-soluble ligand TPPTS (TPPTS = P[m-C6H4SO3Na]3, trisodium salt of m-trisulfonated triphenyl phosphine). Ru/TPPTS catalytic system was generated in situ by direct addition of RuCl3·xH2O catalyst precursor to TPPTS in aqueous media; and appears to have high activity under mild conditions (80 °C, 20 bar) in the hydrogenation of the above hydroformylated naphtha model to the production of the corresponding alcohols. Thus, the aqueous biphasic hydrogenation of a hydroformylated fuel would upgrade the combustion properties of the ultimate fuel, while at the same time the whole process would be characterised as environmentally friendly. The effect of the reaction pressure, temperature and time, as well as the influence of the organic solvent, the agitation speed, the TPPTS/Ru and aldehydes/Ru molar ratios were investigated.

Graphical abstractAqueous biphasic hydrogenation of a mixture of aldehydes, all met in a hydroformylated naphtha (the feedstock of gasoline production) implemented with ruthenium complex containing the water-soluble ligand TPPTS, generated in situ. A high activity under mild conditions was observed. The hydrogenation of a hydroformylated naptha would upgrade the combustion properties of the gasoline, in an environmentally friendly process.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Hydrogenation; Ruthenium; TPPTS; Aldehydes mixture; Aqueous biphasic catalysis
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Hydrogenation of a hydroformylated naphtha model (mixture of specific aldehydes) catalysed by Ru/TPPTS complex in aqueous media
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 363, Issues 1–2, 1 July 2009, Pages 129–134
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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