Graphite oxide activated zeolite NaY: applications in alcohol dehydration

Autor:	Alexander D. Todd, Christopher W. Bielawski
Rok vydání:	2013
Předmět:	Inorganic chemistry chemistry.chemical_element Alcohol Graphite oxide medicine.disease Catalysis law.invention chemistry.chemical_compound chemistry law medicine Calcination Dehydrogenation Dehydration Zeolite Carbon
Zdroj:	Catal. Sci. Technol.. 3:135-139
ISSN:	2044-4761 2044-4753
DOI:	10.1039/c2cy20474f
Popis:	A mixture of graphite oxide (GO) and the zeolite NaY (Si/Al = 5.1) was used to dehydrate various alcohols to their respective olefinic products. Using conditions optimized for 4-heptanol (15 wt% GO–NaY (1 : 1 wt/wt), 150 °C, 30 min), a series of secondary and tertiary aliphatic alcohols were cleanly dehydrated in moderate to excellent conversions (27.5–97.2%). Several primary alcohols were also dehydrated, although higher catalyst loadings (200 wt% GO–NaY (1 : 1) and longer reaction times (3 h) were required. The enhanced dehydration activity was attributed to the ability of GO to convert NaY to an acidic form and without the need for ammonium cation exchange and/or high temperature calcination.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::cc44cb2e44291c2974c65b161fd52e23 https://doi.org/10.1039/c2cy20474f Zobrazit plný text záznamu