Quantitative production of butenes from biomass-derived γ-valerolactone catalysed by hetero-atomic MFI zeolite.

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ID: 156669
2020
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Abstract
The efficient production of light olefins from renewable biomass is a vital and challenging target to achieve future sustainable chemical processes. Here we report a hetero-atomic MFI-type zeolite (NbAlS-1), over which aqueous solutions of γ-valerolactone (GVL), obtained from biomass-derived carbohydrates, can be quantitatively converted into butenes with a yield of >99% at ambient pressure under continuous flow conditions. NbAlS-1 incorporates simultaneously niobium(V) and aluminium(III) centres into the framework and thus has a desirable distribution of Lewis and Brønsted acid sites with optimal strength. Synchrotron X-ray diffraction and absorption spectroscopy show that there is cooperativity between Nb(V) and the Brønsted acid sites on the confined adsorption of GVL, whereas the catalytic mechanism for the conversion of the confined GVL into butenes is revealed by in situ inelastic neutron scattering, coupled with modelling. This study offers a prospect for the sustainable production of butene as a platform chemical for the manufacture of renewable materials.
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lin2020quantitativenature Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Lin, Longfei;Sheveleva, Alena M;da Silva, Ivan;Parlett, Christopher M A;Tang, Zhimou;Liu, Yueming;Fan, Mengtian;Han, Xue;Carter, Joseph H;Tuna, Floriana;McInnes, Eric J L;Cheng, Yongqiang;Daemen, Luke L;Rudić, Svemir;Ramirez-Cuesta, Anibal J;Tang, Chiu C;Yang, Sihai;
Journal Nature Materials
Year 2020
DOI
10.1038/s41563-019-0562-6
URL
Keywords
low power solar cells magnetoelectric coupling organics ferromagnetic resonance

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