Mesoporous Al-Fe-P-O solids prepared in non-aqueous medium: structure and surface acid catalytic behaviour.

Aptel, G.; Petrakis, Dimitrios; Jones, Deborah J.; Rozière, Jacqués; Pomonis, P.J.

doi:10.1016/s0167-2991(98)80261-9

Cited by 2 publications

(1 citation statement)

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“…To determine the influence of the catalyst acidity, several analytical characterizations can be performed. A notable characterization technique employed is temperature desorption programming (TPD) using ammonia as a probe molecule [37]. Ammonia is used because it is basic and can easily interact with acid sites.…”

Section: Effect Of Catalyst Aciditymentioning

confidence: 99%

Catalytic Conversion of Glycerol to Bio-Based Aromatics

Okoye¹,

Duque-Brito²,

Lobata-Peralta³

et al. 2023

Ethanol and Glycerol Chemistry - Production, Modelling, Applications, and Technological Aspects

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Green application of biodiesel-derived glycerol will boost biodiesel production in terms of sustainability and economics. The glycerol to liquid fuels is a promising route that provides an additional energy source, which contributes significantly to energy transition besides biodiesel. This pathway could generate alkyl-aromatic hydrocarbons with a yield of ∼60%, oxygenates, and gases. MFI Zeolites (H-ZSM-5) catalysts are mainly used to propagate the aromatization pathway. This chapter presents the pathways, challenges, catalytic design, influences of catalyst acidity, metal addition, reaction condition, and catalysts deactivation on glycerol conversion to hydrocarbon fuels and aromatics. Studies revealed that time on stream, temperature, and weight hourly space velocity (range of 0.1–1 h−1) influences the benzene, toluene, and xylene BTX and benzene, toluene, ethylbenzene, and xylene BTEX yield. Acidity of the H-ZSM-5 could be tailored by metals, additives, and binders. Bronsted acidity promotes coke formation which results in reversible deactivation of the H-ZSM-5 catalyst. It is hoped that this study will promote intensified research on the use of glycerol for purposes of fuel generating and valuable products.

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Section: Effect Of Catalyst Aciditymentioning

confidence: 99%