Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Structure Sensitivity of 2,3-Butanediol Dehydration to Butadiene over Rare Earth Orthophosphate Catalysts

M. Huchede, Thi Nguyen, Luis Cardenas, M. Aouine, Karine Jaillardon, J.M.M. Millet

The Journal of Physical Chemistry C · 2019

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Summary

This laboratory study examined neodymium phosphate as a model rare earth catalyst for biomass-derived alcohol dehydration. Using advanced structural and spectroscopic techniques, the authors demonstrated that catalytic performance is determined by the balance of Lewis acidic and Brønsted acidic sites on nanorod side facets, which are enriched in reactive phosphate species. The work contributes to understanding how catalyst morphology and surface chemistry control selective organic transformations.

UK applicability

This is fundamental catalysis research with potential relevance to UK chemical engineering and green chemistry applications, but has no direct bearing on agricultural practice, soil health, nutrient density, or food systems.

Key measures

Catalytic conversion selectivity; transmission electron microscopy characterisation; X-ray photoelectron spectroscopy surface composition; infrared spectroscopy of adsorbed species; silylation-based facet-selective inhibition

Outcomes reported

The study characterised the catalytic properties of neodymium phosphate (NdPO4) polymorphs for converting 2,3-butanediol to butadiene, identifying structural features and surface chemistry responsible for catalytic selectivity. Surface-sensitive analysis revealed that side facets of rhabdophane nanorods, enriched in phosphorus-containing species, catalyse the reaction preferentially.

Theme
General food systems / other
Subject
Other / interdisciplinary
Study type
Research
Study design
Laboratory experimental study
Source type
Peer-reviewed study
Status
Published
System type
Laboratory / in vitro
DOI
10.1021/acs.jpcc.9b10784
Catalogue ID
BFmor3fyor-d31nr2

Topic tags

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