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A Simple Method for the Production of Pure Crystalline Silica from Lemon Grass

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Main Authors: Mohamed Yusof, Nur Firdaus, Hakimah, Osman, Metselaar, Hank S. C., Rozyanty, A. Rahman
Other Authors: hakimah@unimap.edu.my
Format: Article
Language:English
Published: North Carolina State University 2020
Subjects:
Silica
Inorganic compounds
Acid leaching treatment
Crystallinity
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/68608
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spelling my.unimap-686082020-11-04T02:40:17Z A Simple Method for the Production of Pure Crystalline Silica from Lemon Grass Mohamed Yusof, Nur Firdaus Hakimah, Osman Metselaar, Hank S. C. Rozyanty, A. Rahman hakimah@unimap.edu.my Silica Inorganic compounds Acid leaching treatment Crystallinity Link to publisher's homepage at https://bioresources.cnr.ncsu.edu/ Lemon grass is an inexpensive raw material that can be used to produce natural silica. A method using hydrochloric acid (HCl) leaching followed by thermal combustion at 600 °C was developed to produce purified silica from lemon grass. Acid leaching temperatures of 33, 50, 80, and 110 °C were used. The silica content of the lemon grass ash was characterized using X-ray fluorescence (XRF), X-ray powder diffraction (XRD), scanning electron microscopy (SEM), and Fourier transform infrared (FTIR) analysis. The shape and texture of the lemon grass ash were studied using SEM. The highest silica content (98.59%) was produced by lemon grass that had been treated at the highest leaching temperature (110 °C). Other elements that were found in the lemon grass ash were magnesium, calcium, potassium, and chlorine. XRD analysis showed that the crystallinity of the silica in treated lemon grass ash increased with increasing leaching temperature. The FTIR analysis confirmed the presence of siloxane and silanol bonds in lemon grass that was calcined at different leaching temperatures. 2020-11-04T02:40:17Z 2020-11-04T02:40:17Z 2016 Article BioResources, vol.11(1), 2016, pages 1270-1279. 1930-2126 (online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/68608 en North Carolina State University
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Silica
Inorganic compounds
Acid leaching treatment
Crystallinity
spellingShingle Silica
Inorganic compounds
Acid leaching treatment
Crystallinity
Mohamed Yusof, Nur Firdaus
Hakimah, Osman
Metselaar, Hank S. C.
Rozyanty, A. Rahman
A Simple Method for the Production of Pure Crystalline Silica from Lemon Grass
description Link to publisher's homepage at https://bioresources.cnr.ncsu.edu/
author2 hakimah@unimap.edu.my
author_facet hakimah@unimap.edu.my
Mohamed Yusof, Nur Firdaus
Hakimah, Osman
Metselaar, Hank S. C.
Rozyanty, A. Rahman
format Article
author Mohamed Yusof, Nur Firdaus
Hakimah, Osman
Metselaar, Hank S. C.
Rozyanty, A. Rahman
author_sort Mohamed Yusof, Nur Firdaus
title A Simple Method for the Production of Pure Crystalline Silica from Lemon Grass
title_short A Simple Method for the Production of Pure Crystalline Silica from Lemon Grass
title_full A Simple Method for the Production of Pure Crystalline Silica from Lemon Grass
title_fullStr A Simple Method for the Production of Pure Crystalline Silica from Lemon Grass
title_full_unstemmed A Simple Method for the Production of Pure Crystalline Silica from Lemon Grass
title_sort simple method for the production of pure crystalline silica from lemon grass
publisher North Carolina State University
publishDate 2020
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/68608
_version_ 1698698484829388800
score 13.214268

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