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Methylene Blue Adsorption onto Water Hyacinth: Batch and Column Study

The adsorption of methylene blue cationic dye by water hyacinth root was studied in a batch system. The experimental data isotherms were analyzed using the Langmuir and Freundlich equations. The monolayer adsorption capacity for methylene blue dye was found as 0.187 kg kg−1. Three kinetic models (th...

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Main Authors: Khan, Maksudur R., Mozumder, Salatul Islam, Islam, Akhtarul, Prasad, D. M. Reddy, Alam, M. Mohibul
Format: Article
Language:English
Published: Springer 2012
Subjects:
Q Science (General)
QD Chemistry
TP Chemical technology
Online Access:http://umpir.ump.edu.my/id/eprint/12372/1/Methylene%20Blue%20Adsorption%20onto%20Water%20Hyacinth-%20Batch%20and%20Column%20Study.pdf
http://umpir.ump.edu.my/id/eprint/12372/
http://dx.doi.org/10.1007/s11270-012-1078-8
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spelling my.ump.umpir.123722018-01-16T02:01:55Z http://umpir.ump.edu.my/id/eprint/12372/ Methylene Blue Adsorption onto Water Hyacinth: Batch and Column Study Khan, Maksudur R. Mozumder, Salatul Islam Islam, Akhtarul Prasad, D. M. Reddy Alam, M. Mohibul Q Science (General) QD Chemistry TP Chemical technology The adsorption of methylene blue cationic dye by water hyacinth root was studied in a batch system. The experimental data isotherms were analyzed using the Langmuir and Freundlich equations. The monolayer adsorption capacity for methylene blue dye was found as 0.187 kg kg−1. Three kinetic models (the pseudo-first order, the pseudo-second order, and the unified approach) were used to calculate the adsorption rate constants. The kinetic data along with equilibrium constants (maximum monolayer capacity and Langmuir constant) fitted well with unified approach model for different initial concentrations, and the rate constants were determined. Laboratory column experiments were conducted to evaluate the performance of water hyacinth root for methylene blue sorption under dynamic flow conditions. Breakthrough curves were plotted for the methylene blue adsorption on the adsorbent using continuous flow column operation by varying the bed height (0.06–0.12 m) and the feed concentrations (0.1–0.2 kg m−3). Different column design parameters, such as depth of exchange zone, adsorption rate, and adsorption capacity, were calculated. At the end, an attempt has also been made to model the data generated from column studies using the empirical relationship based on Bohart–Adams model. Springer 2012 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/12372/1/Methylene%20Blue%20Adsorption%20onto%20Water%20Hyacinth-%20Batch%20and%20Column%20Study.pdf Khan, Maksudur R. and Mozumder, Salatul Islam and Islam, Akhtarul and Prasad, D. M. Reddy and Alam, M. Mohibul (2012) Methylene Blue Adsorption onto Water Hyacinth: Batch and Column Study. Water, Air and Soil Pollution , 223. pp. 2943-2953. ISSN 0049-6979 (print); 1573-2932 (online) http://dx.doi.org/10.1007/s11270-012-1078-8 DOI 10.1007/s11270-012-1078-8
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic Q Science (General)
QD Chemistry
TP Chemical technology
spellingShingle Q Science (General)
QD Chemistry
TP Chemical technology
Khan, Maksudur R.
Mozumder, Salatul Islam
Islam, Akhtarul
Prasad, D. M. Reddy
Alam, M. Mohibul
Methylene Blue Adsorption onto Water Hyacinth: Batch and Column Study
description The adsorption of methylene blue cationic dye by water hyacinth root was studied in a batch system. The experimental data isotherms were analyzed using the Langmuir and Freundlich equations. The monolayer adsorption capacity for methylene blue dye was found as 0.187 kg kg−1. Three kinetic models (the pseudo-first order, the pseudo-second order, and the unified approach) were used to calculate the adsorption rate constants. The kinetic data along with equilibrium constants (maximum monolayer capacity and Langmuir constant) fitted well with unified approach model for different initial concentrations, and the rate constants were determined. Laboratory column experiments were conducted to evaluate the performance of water hyacinth root for methylene blue sorption under dynamic flow conditions. Breakthrough curves were plotted for the methylene blue adsorption on the adsorbent using continuous flow column operation by varying the bed height (0.06–0.12 m) and the feed concentrations (0.1–0.2 kg m−3). Different column design parameters, such as depth of exchange zone, adsorption rate, and adsorption capacity, were calculated. At the end, an attempt has also been made to model the data generated from column studies using the empirical relationship based on Bohart–Adams model.
format Article
author Khan, Maksudur R.
Mozumder, Salatul Islam
Islam, Akhtarul
Prasad, D. M. Reddy
Alam, M. Mohibul
author_facet Khan, Maksudur R.
Mozumder, Salatul Islam
Islam, Akhtarul
Prasad, D. M. Reddy
Alam, M. Mohibul
author_sort Khan, Maksudur R.
title Methylene Blue Adsorption onto Water Hyacinth: Batch and Column Study
title_short Methylene Blue Adsorption onto Water Hyacinth: Batch and Column Study
title_full Methylene Blue Adsorption onto Water Hyacinth: Batch and Column Study
title_fullStr Methylene Blue Adsorption onto Water Hyacinth: Batch and Column Study
title_full_unstemmed Methylene Blue Adsorption onto Water Hyacinth: Batch and Column Study
title_sort methylene blue adsorption onto water hyacinth: batch and column study
publisher Springer
publishDate 2012
url http://umpir.ump.edu.my/id/eprint/12372/1/Methylene%20Blue%20Adsorption%20onto%20Water%20Hyacinth-%20Batch%20and%20Column%20Study.pdf
http://umpir.ump.edu.my/id/eprint/12372/
http://dx.doi.org/10.1007/s11270-012-1078-8
_version_ 1643666895895789568
score 13.211869

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