Abstract
AbstractSn‐Beta zeolite was prepared by acid dealumination of Beta zeolite, followed by dehydration and impregnation with anhydrous SnCl4. The formation of extraframework Sn (EFSn) species was prevented by the removal of unreacted SnCl4 in a methanol washing step prior to calcination. The resulting Sn‐Beta zeolites were characterized by X‐ray diffraction, Ar physisorption, NMR, UV/Vis, and FTIR spectroscopy. These well‐defined Lewis acid zeolites exhibit good catalytic activity and selectivity in the conversion of 1,3‐dihydroxyacetone to methyl lactate. Their performance is similar to a reference Sn‐Beta zeolite prepared by hydrothermal synthesis. Sn‐BEA zeolites that contain EFSn species exhibit lower catalytic activity; the EFSn species also catalyze formation of byproducts. DFT calculations show that partially hydrolyzed framework Sn‐OH species (open sites), rather than the tetrahedral framework Sn sites (closed sites), are the most likely candidate active sites for methyl lactate formation.
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Dates
Type | When |
---|---|
Created | 10 years, 5 months ago (Feb. 27, 2015, 3:28 p.m.) |
Deposited | 1 year, 10 months ago (Oct. 16, 2023, 12:42 p.m.) |
Indexed | 1 month, 3 weeks ago (July 1, 2025, 8:35 a.m.) |
Issued | 10 years, 5 months ago (Feb. 27, 2015) |
Published | 10 years, 5 months ago (Feb. 27, 2015) |
Published Online | 10 years, 5 months ago (Feb. 27, 2015) |
Published Print | 10 years, 4 months ago (April 7, 2015) |
Funders
3
Netherlands Organization for Scientific Research (NWO)
Chinese Ministry of Science and Technology
10.13039/501100002855
Ministry of Science and Technology of the People's Republic of ChinaRegion: Asia
gov (National government)
Labels
6
- Chinese Ministry of Science and Technology
- Ministry of Science & Technology, People Republic of China
- 中华人民共和国科学技术部
- Ministry of Science and Technology (China)
- State Science and Technology Commission
- MOST
European Union
10.13039/501100000780
European CommissionRegion: Europe
gov (National government)
Labels
26
- European Union
- Comisión Europea
- Europäische Kommission
- EU-Kommissionen
- Euroopa Komisjoni
- Ευρωπαϊκής Επιτροπής
- Европейската комисия
- Evropské komise
- Commission européenne
- Choimisiúin Eorpaigh
- Europskoj komisiji
- Commissione europea
- La Commissione europea
- Eiropas Komisiju
- Europos Komisijos
- Európai Bizottságról
- Europese Commissie
- Komisja Europejska
- Comissão Europeia
- Comisia Europeană
- Európskej komisii
- Evropski komisiji
- Euroopan komission
- Europeiska kommissionen
- EC
- EU
Awards
1
- FP7-NMP-2013-EU-Japan-604319
@article{van_der_Graaff_2015, title={Synthesis of Sn‐Beta with Exclusive and High Framework Sn Content}, volume={7}, ISSN={1867-3899}, url={http://dx.doi.org/10.1002/cctc.201403050}, DOI={10.1002/cctc.201403050}, number={7}, journal={ChemCatChem}, publisher={Wiley}, author={van der Graaff, William N. P. and Li, Guanna and Mezari, Brahim and Pidko, Evgeny A. and Hensen, Emiel J. M.}, year={2015}, month=feb, pages={1152–1160} }