A Comparative Study on The Adsorption Behavior of Congo Red on to ZnAl and ZnCr Layered Double Hydroxides

In this work, two synthetic layered double hydroxides (LDH) consists of Zn2+ as M2+ cation with different M3+ cation, i.e., Al3+ and Cr3+ were used as an adsorbent for Congo Red removal aqueous solution. Both Zn-Al and Zn-Cr LDH were characterized by X-ray diffraction, FT-IR, and BET surface area an...

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Autores principales:	Tarmizi Taher, Nyanyu Ummu Hani, Neza Rahayu Palapa, Risfidian Mohadi, Aldes Lesbani
Formato:	article
Lenguaje:	EN
Publicado:	University of Brawijaya 2020
Materias:	adsorption congo red layered double hydroxide kinetic and thermodynamic study Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/2af3e91159554665b5554bee2dce2739
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spelling	oai:doaj.org-article:2af3e91159554665b5554bee2dce27392021-12-02T17:34:04ZA Comparative Study on The Adsorption Behavior of Congo Red on to ZnAl and ZnCr Layered Double Hydroxides2302-46902302-4690https://doaj.org/article/2af3e91159554665b5554bee2dce27392020-08-01T00:00:00Zhttps://jpacr.ub.ac.id/index.php/jpacr/article/view/519/pdfhttps://doaj.org/toc/2302-4690https://doaj.org/toc/2302-4690In this work, two synthetic layered double hydroxides (LDH) consists of Zn2+ as M2+ cation with different M3+ cation, i.e., Al3+ and Cr3+ were used as an adsorbent for Congo Red removal aqueous solution. Both Zn-Al and Zn-Cr LDH were characterized by X-ray diffraction, FT-IR, and BET surface area analyzer. The effect of contact time, initial dye concentration, and temperature were evaluated in a batch technique in order to investigate the characteristic of Congo Red adsorption onto both adsorbents. The experimental data were assessed according to the parameter of adsorption kinetics, isotherm, and thermodynamics. The results of LDH characterization showed that Zn-Al LDH has a higher interlayer distance than Zn-Cr LDH, although Zn-Cr LDH has a higher surface area. The FT-IR analysis indicated the interlayer space of both Zn-Cr and Zn-Al LDH was dominated by CO32- as the interlayer anion species. The adsorption kinetics study of Congo Red on both LDH revealed that the adsorption process followed the pseudo-second-order model. For the adsorption isotherm, the experimental data fit well with the Freundlich model rather than the Langmuir model. The thermodynamic study indicated that the adsorption process that occurred on both adsorbents was spontaneous with exothermic nature.Tarmizi TaherNyanyu Ummu HaniNeza Rahayu PalapaRisfidian MohadiAldes LesbaniUniversity of Brawijayaarticleadsorptioncongo redlayered double hydroxidekinetic and thermodynamic studyChemistryQD1-999ENJournal of Pure and Applied Chemistry Research, Vol 9, Iss 2, Pp 108-116 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	adsorption congo red layered double hydroxide kinetic and thermodynamic study Chemistry QD1-999
spellingShingle	adsorption congo red layered double hydroxide kinetic and thermodynamic study Chemistry QD1-999 Tarmizi Taher Nyanyu Ummu Hani Neza Rahayu Palapa Risfidian Mohadi Aldes Lesbani A Comparative Study on The Adsorption Behavior of Congo Red on to ZnAl and ZnCr Layered Double Hydroxides
description	In this work, two synthetic layered double hydroxides (LDH) consists of Zn2+ as M2+ cation with different M3+ cation, i.e., Al3+ and Cr3+ were used as an adsorbent for Congo Red removal aqueous solution. Both Zn-Al and Zn-Cr LDH were characterized by X-ray diffraction, FT-IR, and BET surface area analyzer. The effect of contact time, initial dye concentration, and temperature were evaluated in a batch technique in order to investigate the characteristic of Congo Red adsorption onto both adsorbents. The experimental data were assessed according to the parameter of adsorption kinetics, isotherm, and thermodynamics. The results of LDH characterization showed that Zn-Al LDH has a higher interlayer distance than Zn-Cr LDH, although Zn-Cr LDH has a higher surface area. The FT-IR analysis indicated the interlayer space of both Zn-Cr and Zn-Al LDH was dominated by CO32- as the interlayer anion species. The adsorption kinetics study of Congo Red on both LDH revealed that the adsorption process followed the pseudo-second-order model. For the adsorption isotherm, the experimental data fit well with the Freundlich model rather than the Langmuir model. The thermodynamic study indicated that the adsorption process that occurred on both adsorbents was spontaneous with exothermic nature.
format	article
author	Tarmizi Taher Nyanyu Ummu Hani Neza Rahayu Palapa Risfidian Mohadi Aldes Lesbani
author_facet	Tarmizi Taher Nyanyu Ummu Hani Neza Rahayu Palapa Risfidian Mohadi Aldes Lesbani
author_sort	Tarmizi Taher
title	A Comparative Study on The Adsorption Behavior of Congo Red on to ZnAl and ZnCr Layered Double Hydroxides
title_short	A Comparative Study on The Adsorption Behavior of Congo Red on to ZnAl and ZnCr Layered Double Hydroxides
title_full	A Comparative Study on The Adsorption Behavior of Congo Red on to ZnAl and ZnCr Layered Double Hydroxides
title_fullStr	A Comparative Study on The Adsorption Behavior of Congo Red on to ZnAl and ZnCr Layered Double Hydroxides
title_full_unstemmed	A Comparative Study on The Adsorption Behavior of Congo Red on to ZnAl and ZnCr Layered Double Hydroxides
title_sort	comparative study on the adsorption behavior of congo red on to znal and zncr layered double hydroxides
publisher	University of Brawijaya
publishDate	2020
url	https://doaj.org/article/2af3e91159554665b5554bee2dce2739
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A Comparative Study on The Adsorption Behavior of Congo Red on to ZnAl and ZnCr Layered Double Hydroxides

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