Modification of natural zeolite from Bayat with tandem acid-base treatments and cobalt (II) impregnation

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Abstract

Natural zeolite was modified using tandem acid-based treaments in order to create a mesoporous zeolite. Themesoporous zeolite was then characterized using XRD, FTIR, EDX, and AAS. The XRD patterns showed that the structure of zeolite mostly was clinoptilolite. After subjected to the tandem treatment, no significant change in the XRD patterns wasobserved. This indicates that the structure of zeolite is intact. However, the FTIR analysis shows that the wave number of functional groups in the zeolite were shifted after subjected to tandem acid-base treatment, compared to the one of the raw material. However the main functional groups of zeolites still exist after tandem acid-base treatment.The EDX analysis showed that the Si/Al ratio was increased after acid treatments (in average, approximately 1.5 times). In contrast, the Si/Al ratio was decreased from 4.50 to 4.13 after basic treatment. The mesoporous zeolite then was modified further with cobalt (II)-impregnation using incipient wetness method with variation of cobalt loading (2.5; 2.0; 1.5; 1.0; and 0.5 wt%). The Cobalt (II) mesoporous zeolite will then be used as catalyst for the production of FattyAcid Methyl Esters (FAME) from Crude Palm Oil (CPO).

Original languageEnglish
Title of host publicationInternational Symposium on Current Progress in Mathematics and Sciences 2015, ISCPMS 2015
Subtitle of host publicationProceedings of the 1st International Symposium on Current Progress in Mathematics and Sciences
EditorsTerry Mart, Djoko Triyono
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735413764
DOIs
Publication statusPublished - 19 Apr 2016
Event1st International Symposium on Current Progress in Mathematics and Sciences, ISCPMS 2015 - Depok, Indonesia
Duration: 3 Nov 20154 Nov 2015

Publication series

NameAIP Conference Proceedings
Volume1729
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference1st International Symposium on Current Progress in Mathematics and Sciences, ISCPMS 2015
Country/TerritoryIndonesia
CityDepok
Period3/11/154/11/15

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