Annulation of Phenols: Catalytic Behavior of Conventional and 2?D Zeolites

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F14%3A00446860" target="_blank" >RIV/61388955:_____/14:00446860 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1002/cctc.201402007" target="_blank" >http://dx.doi.org/10.1002/cctc.201402007</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1002/cctc.201402007" target="_blank" >10.1002/cctc.201402007</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Annulation of Phenols: Catalytic Behavior of Conventional and 2?D Zeolites

Popis výsledku v původním jazyce

Catalytic behavior of MFI zeolites differing in thickness of nanosheets and ordering was studied in annulation of phenols, and compared with 3D zeolites BEA and MFI containing large or medium pores as well as with micro/mesoporous zeolite USY. The highest conversions of phenols studied were achieved over ordered hexagonally mesostructured zeolite with 1.7 nm wall size, followed by materials possessing 2.1 and 2.7 nm of nanosheets thickness. This corresponds to decreasing surface area of materials studied. The preferences of mate-rials with zeolitic layers and high surface areas over bulky zeolites BEA and especially MFI in annulation of phenols is more prominent for substrates with larger kinetic diameters [phenol (0.66 nm) < 1-naphthol (0.80 nm) < 2-naphthol (0.89 nm)]. USY zeolite exhibited higher conversions (32, 6, 25% for phenol, 1 and 2-naphthol, respectively, after 300 min time on stream) than BEA (23, 6, 8%) and MFI (13, 0, 0%) not overcoming hexagonally mesostructured MFI (45,

Název v anglickém jazyce

Annulation of Phenols: Catalytic Behavior of Conventional and 2?D Zeolites

Popis výsledku anglicky

Catalytic behavior of MFI zeolites differing in thickness of nanosheets and ordering was studied in annulation of phenols, and compared with 3D zeolites BEA and MFI containing large or medium pores as well as with micro/mesoporous zeolite USY. The highest conversions of phenols studied were achieved over ordered hexagonally mesostructured zeolite with 1.7 nm wall size, followed by materials possessing 2.1 and 2.7 nm of nanosheets thickness. This corresponds to decreasing surface area of materials studied. The preferences of mate-rials with zeolitic layers and high surface areas over bulky zeolites BEA and especially MFI in annulation of phenols is more prominent for substrates with larger kinetic diameters [phenol (0.66 nm) < 1-naphthol (0.80 nm) < 2-naphthol (0.89 nm)]. USY zeolite exhibited higher conversions (32, 6, 25% for phenol, 1 and 2-naphthol, respectively, after 300 min time on stream) than BEA (23, 6, 8%) and MFI (13, 0, 0%) not overcoming hexagonally mesostructured MFI (45,

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CF - Fyzikální chemie a teoretická chemie

OECD FORD obor

—

Projekt

<a href="/cs/project/GBP106%2F12%2FG015" target="_blank" >GBP106/12/G015: Vývoj nových nanoporézních adsorbentů a katalyzátorů</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

ChemCatChem

ISSN

1867-3880

e-ISSN

—

Svazek periodika

6

Číslo periodika v rámci svazku

7

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

9

Strana od-do

1919-1927

Kód UT WoS článku

000340573200015

EID výsledku v databázi Scopus

2-s2.0-84904572415