ACIDITY OF MODIFIED MORDENITES SYNTHESIZED FROM RICE HUSK SILICA AND CATALYTIC TRANSFORMATION OF METHYLBUTYNOL

ACIDITY OF MODIFIED MORDENITES SYNTHESIZED FROM RICE HUSK SILICA AND CATALYTIC TRANSFORMATION OF METHYLBUTYNOL

Mordenite (MOR) was synthesized using rice husk silica and modified by base (B), acid (A) or acid-base (AB) and converted to H-form. The modification did not destroy the MOR structure but increased surface area and generated mesopores. Lewis acidity of the parent and modified MOR samples investigate...

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Main Authors: Sittichai Kulawong, Sanchai Prayoonpokarach, Frank Roessner, Jatuporn Wittayakun
Format: Article
Language:English
Published: Sociedade Brasileira de Química 2015-02-01
Series:Química Nova
Subjects:
mordenite modification
acidity
methylbutynol
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422015000200191&lng=en&tlng=en
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spelling doaj-eab6cb092d7a485493c7a1418387ebe82020-11-24T22:43:27ZengSociedade Brasileira de QuímicaQuímica Nova1678-70642015-02-0138219119510.5935/0100-4042.20150002S0100-40422015000200191ACIDITY OF MODIFIED MORDENITES SYNTHESIZED FROM RICE HUSK SILICA AND CATALYTIC TRANSFORMATION OF METHYLBUTYNOLSittichai KulawongSanchai PrayoonpokarachFrank RoessnerJatuporn WittayakunMordenite (MOR) was synthesized using rice husk silica and modified by base (B), acid (A) or acid-base (AB) and converted to H-form. The modification did not destroy the MOR structure but increased surface area and generated mesopores. Lewis acidity of the parent and modified MOR samples investigated by aluminum NMR and NH3-TPD showed a decrease in the following order: HMOR > BMOR > ABMOR > AMOR. For the catalytic transformation of methylbutynol, ABMOR provided the highest conversion and selectivity of products from acid sites.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422015000200191&lng=en&tlng=enmordenite modificationaciditymethylbutynol
collection DOAJ
language English
format Article
sources DOAJ
author Sittichai Kulawong
Sanchai Prayoonpokarach
Frank Roessner
Jatuporn Wittayakun
spellingShingle Sittichai Kulawong
Sanchai Prayoonpokarach
Frank Roessner
Jatuporn Wittayakun
ACIDITY OF MODIFIED MORDENITES SYNTHESIZED FROM RICE HUSK SILICA AND CATALYTIC TRANSFORMATION OF METHYLBUTYNOL
Química Nova
mordenite modification
acidity
methylbutynol
author_facet Sittichai Kulawong
Sanchai Prayoonpokarach
Frank Roessner
Jatuporn Wittayakun
author_sort Sittichai Kulawong
title ACIDITY OF MODIFIED MORDENITES SYNTHESIZED FROM RICE HUSK SILICA AND CATALYTIC TRANSFORMATION OF METHYLBUTYNOL
title_short ACIDITY OF MODIFIED MORDENITES SYNTHESIZED FROM RICE HUSK SILICA AND CATALYTIC TRANSFORMATION OF METHYLBUTYNOL
title_full ACIDITY OF MODIFIED MORDENITES SYNTHESIZED FROM RICE HUSK SILICA AND CATALYTIC TRANSFORMATION OF METHYLBUTYNOL
title_fullStr ACIDITY OF MODIFIED MORDENITES SYNTHESIZED FROM RICE HUSK SILICA AND CATALYTIC TRANSFORMATION OF METHYLBUTYNOL
title_full_unstemmed ACIDITY OF MODIFIED MORDENITES SYNTHESIZED FROM RICE HUSK SILICA AND CATALYTIC TRANSFORMATION OF METHYLBUTYNOL
title_sort acidity of modified mordenites synthesized from rice husk silica and catalytic transformation of methylbutynol
publisher Sociedade Brasileira de Química
series Química Nova
issn 1678-7064
publishDate 2015-02-01
description Mordenite (MOR) was synthesized using rice husk silica and modified by base (B), acid (A) or acid-base (AB) and converted to H-form. The modification did not destroy the MOR structure but increased surface area and generated mesopores. Lewis acidity of the parent and modified MOR samples investigated by aluminum NMR and NH3-TPD showed a decrease in the following order: HMOR > BMOR > ABMOR > AMOR. For the catalytic transformation of methylbutynol, ABMOR provided the highest conversion and selectivity of products from acid sites.
topic mordenite modification
acidity
methylbutynol
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422015000200191&lng=en&tlng=en
work_keys_str_mv AT sittichaikulawong acidityofmodifiedmordenitessynthesizedfromricehusksilicaandcatalytictransformationofmethylbutynol
AT sanchaiprayoonpokarach acidityofmodifiedmordenitessynthesizedfromricehusksilicaandcatalytictransformationofmethylbutynol
AT frankroessner acidityofmodifiedmordenitessynthesizedfromricehusksilicaandcatalytictransformationofmethylbutynol
AT jatupornwittayakun acidityofmodifiedmordenitessynthesizedfromricehusksilicaandcatalytictransformationofmethylbutynol
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