Synthesis and catalytic properties of titanium containing extra-large pore zeolite CIT-5

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F14%3A00427877" target="_blank" >RIV/61388955:_____/14:00427877 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.cattod.2014.01.003" target="_blank" >http://dx.doi.org/10.1016/j.cattod.2014.01.003</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.cattod.2014.01.003" target="_blank" >10.1016/j.cattod.2014.01.003</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Synthesis and catalytic properties of titanium containing extra-large pore zeolite CIT-5

Popis výsledku v původním jazyce

Titanium containing extra-large pore zeolite CIT-5 (IZA code: CFI) was successfully prepared by direct synthesis using Cab-O-Sil M5 and titanium(IV) butoxide in the presence of LiOH. N-Methylsparteinium hydroxide was used as a structure directing agent.The product crystallized into thin plate crystals with an approximate size of 20 x 5 x 0.2 mu m. The lowest achieved Si/Ti ratio was 23. The necessary duration of hydrothermal synthesis increased with increasing concentration of Ti in the reaction mixture from 11 days (Si/Ti = 63 in product) to 17 days (Si/Ti = 36) at 155 degrees C. Prepared Ti-CFI samples exhibit BET surface areas in the range of 308-346 m(2)/g and micropore volumes of 0.094-0.097 cm(3)/g. CFI possesses extralarge pores (14-ring, 7.2 x7.5 A) accessible for bulky molecules, therefore, Ti-CFI is a useful catalyst for epoxidation of double bonds in bulky molecules used in perfumery and pharmacy. The Ti-CFI samples proved to be catalytically active in epoxidation of 1-oct

Název v anglickém jazyce

Synthesis and catalytic properties of titanium containing extra-large pore zeolite CIT-5

Popis výsledku anglicky

Titanium containing extra-large pore zeolite CIT-5 (IZA code: CFI) was successfully prepared by direct synthesis using Cab-O-Sil M5 and titanium(IV) butoxide in the presence of LiOH. N-Methylsparteinium hydroxide was used as a structure directing agent.The product crystallized into thin plate crystals with an approximate size of 20 x 5 x 0.2 mu m. The lowest achieved Si/Ti ratio was 23. The necessary duration of hydrothermal synthesis increased with increasing concentration of Ti in the reaction mixture from 11 days (Si/Ti = 63 in product) to 17 days (Si/Ti = 36) at 155 degrees C. Prepared Ti-CFI samples exhibit BET surface areas in the range of 308-346 m(2)/g and micropore volumes of 0.094-0.097 cm(3)/g. CFI possesses extralarge pores (14-ring, 7.2 x7.5 A) accessible for bulky molecules, therefore, Ti-CFI is a useful catalyst for epoxidation of double bonds in bulky molecules used in perfumery and pharmacy. The Ti-CFI samples proved to be catalytically active in epoxidation of 1-oct

Druh

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

CEP obor

CF - Fyzikální chemie a teoretická chemie

OECD FORD obor

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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

Catalysis Today

ISSN

0920-5861

e-ISSN

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Svazek periodika

227

Číslo periodika v rámci svazku

MAY 2014

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

7

Strana od-do

80-86

Kód UT WoS článku

000332412900013

EID výsledku v databázi Scopus

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