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Adsorption isotherm of densed monoclinic tungsten trioxide nanoparticles

This study evaluated isotherm adsorption of densed monoclinic tungsten trioxide (WO3 ) nanoparticles. To ensure the prepared particles were dense, experiments were conducted by combining ball-milling process and calcination of ammonium pentahydrate powder, in which all experiments were done with...

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Main Authors: Nandiyanto, Asep Bayu Dani, Ragadhita, Risti, Jumril Yunas,
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2020
Online Access:http://journalarticle.ukm.my/16154/1/1.pdf
http://journalarticle.ukm.my/16154/
https://www.ukm.my/jsm/malay_journals/jilid49bil12_2020/KandunganJilid49Bil12_2020.html
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spelling my-ukm.journal.161542021-02-13T01:52:30Z http://journalarticle.ukm.my/16154/ Adsorption isotherm of densed monoclinic tungsten trioxide nanoparticles Nandiyanto, Asep Bayu Dani Ragadhita, Risti Jumril Yunas, This study evaluated isotherm adsorption of densed monoclinic tungsten trioxide (WO3 ) nanoparticles. To ensure the prepared particles were dense, experiments were conducted by combining ball-milling process and calcination of ammonium pentahydrate powder, in which all experiments were done with no additional chemicals or solvents. The adsorption process was carried out by adsorbing curcumin (as a model of adsorbate) in the batch process at ambient temperature and constant pH and the results was compared to several isotherm models: Langmuir, Freundlich, Temkin and Dubinin-Radushkevich models. To support the analysis, several characterizations were conducted: scanning electron microscope, X-ray diffraction and Fourier transform infrared. Experimental results showed that during the adsorption process, physical and chemical interactions occur simultaneously. The physical interactions happen when the adsorbate molecules attach directly to the surface of the adsorbent, forming monolayer adsorption. The chemical interaction is for the interaction between adsorbate molecules and occurs on above the formed main monolayer adsorption. The results were also completed with the proposal mechanism in the adsorption process. This study is important for supporting the fundamental researches in the photochemical reaction using WO3 catalyst. Penerbit Universiti Kebangsaan Malaysia 2020-12 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/16154/1/1.pdf Nandiyanto, Asep Bayu Dani and Ragadhita, Risti and Jumril Yunas, (2020) Adsorption isotherm of densed monoclinic tungsten trioxide nanoparticles. Sains Malaysiana, 49 (12). pp. 2881-2890. ISSN 0126-6039 https://www.ukm.my/jsm/malay_journals/jilid49bil12_2020/KandunganJilid49Bil12_2020.html
institution Universiti Kebangsaan Malaysia
building Tun Sri Lanang Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Kebangsaan Malaysia
content_source UKM Journal Article Repository
url_provider http://journalarticle.ukm.my/
language English
description This study evaluated isotherm adsorption of densed monoclinic tungsten trioxide (WO3 ) nanoparticles. To ensure the prepared particles were dense, experiments were conducted by combining ball-milling process and calcination of ammonium pentahydrate powder, in which all experiments were done with no additional chemicals or solvents. The adsorption process was carried out by adsorbing curcumin (as a model of adsorbate) in the batch process at ambient temperature and constant pH and the results was compared to several isotherm models: Langmuir, Freundlich, Temkin and Dubinin-Radushkevich models. To support the analysis, several characterizations were conducted: scanning electron microscope, X-ray diffraction and Fourier transform infrared. Experimental results showed that during the adsorption process, physical and chemical interactions occur simultaneously. The physical interactions happen when the adsorbate molecules attach directly to the surface of the adsorbent, forming monolayer adsorption. The chemical interaction is for the interaction between adsorbate molecules and occurs on above the formed main monolayer adsorption. The results were also completed with the proposal mechanism in the adsorption process. This study is important for supporting the fundamental researches in the photochemical reaction using WO3 catalyst.
format Article
author Nandiyanto, Asep Bayu Dani
Ragadhita, Risti
Jumril Yunas,
spellingShingle Nandiyanto, Asep Bayu Dani
Ragadhita, Risti
Jumril Yunas,
Adsorption isotherm of densed monoclinic tungsten trioxide nanoparticles
author_facet Nandiyanto, Asep Bayu Dani
Ragadhita, Risti
Jumril Yunas,
author_sort Nandiyanto, Asep Bayu Dani
title Adsorption isotherm of densed monoclinic tungsten trioxide nanoparticles
title_short Adsorption isotherm of densed monoclinic tungsten trioxide nanoparticles
title_full Adsorption isotherm of densed monoclinic tungsten trioxide nanoparticles
title_fullStr Adsorption isotherm of densed monoclinic tungsten trioxide nanoparticles
title_full_unstemmed Adsorption isotherm of densed monoclinic tungsten trioxide nanoparticles
title_sort adsorption isotherm of densed monoclinic tungsten trioxide nanoparticles
publisher Penerbit Universiti Kebangsaan Malaysia
publishDate 2020
url http://journalarticle.ukm.my/16154/1/1.pdf
http://journalarticle.ukm.my/16154/
https://www.ukm.my/jsm/malay_journals/jilid49bil12_2020/KandunganJilid49Bil12_2020.html
_version_ 1691734022990856192
score 13.244367

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