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Biosorption of chromium (VI) from aqueous solution by dried water hyacinth (Eichhornia crassipes)

Metal ions in wastewater can cause serious toxicological problem which are dangerous to the environment and human being. Hexavalent chromium Cr (VI) is very toxic and mutagenic for most organisms. It is essential to remove this metal from wastewater. The purpose of this study is to investigate the p...

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Main Author: Mohd Zamri, Zainuddin
Format: Undergraduates Project Papers
Language:English
Published: 2009
Subjects:
TP Chemical technology
Online Access:http://umpir.ump.edu.my/id/eprint/855/1/24.BIOSORPTION%20OF%20CHROMIUM%20%28VI%29%20FROM%20AQUEOUS%20SOLUTION%20BY%20DRIED.pdf
http://umpir.ump.edu.my/id/eprint/855/
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spelling my.ump.umpir.8552023-06-26T06:55:31Z http://umpir.ump.edu.my/id/eprint/855/ Biosorption of chromium (VI) from aqueous solution by dried water hyacinth (Eichhornia crassipes) Mohd Zamri, Zainuddin TP Chemical technology Metal ions in wastewater can cause serious toxicological problem which are dangerous to the environment and human being. Hexavalent chromium Cr (VI) is very toxic and mutagenic for most organisms. It is essential to remove this metal from wastewater. The purpose of this study is to investigate the performance of dried water hyacinth (Eichhornia crassipes) in biosorption of hexavalent chromium, Cr (VI). The effect of biosorbent dosage, initial concentreation, initial pH of the solution, and time contact were studied and the optimum conditions for biosorption process were indentified. Only the stems and leaves of the water hyacinth were use as the biosmass in this study. Biomass is mixed with the chromium solution at specific condition before the supernatant is taken. Supernatant were analyzed using atomic absorption spectrophotometer (AAS) in order to determine the concentration of chromium in the solution. Results show that biosorption of chromium (VI) highly depends on parameter studied. The amount of chromium adsorbed depends on the dosage. High loading of biomass will increase the removal of chromium. Low initial concentration also will make sorption yield higher. Biosorption of chromium (VI) is greatly depending on pH value because at pH more than, 2 the amounts of chromium remove is lower. When the time contact between biosorbent and solution increase, the removal of chromium also increase. The optimum condition for biosorption of chromium were at 0.7g biosorbent loading, initial concentration at 5mg/L, 1.8 pH value and 75 minutes of time contact. 2009-05 Undergraduates Project Papers NonPeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/855/1/24.BIOSORPTION%20OF%20CHROMIUM%20%28VI%29%20FROM%20AQUEOUS%20SOLUTION%20BY%20DRIED.pdf Mohd Zamri, Zainuddin (2009) Biosorption of chromium (VI) from aqueous solution by dried water hyacinth (Eichhornia crassipes). Faculty of Chemical & Natural Resources Engineering, Universiti Malaysia Pahang.
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 TP Chemical technology
spellingShingle TP Chemical technology
Mohd Zamri, Zainuddin
Biosorption of chromium (VI) from aqueous solution by dried water hyacinth (Eichhornia crassipes)
description Metal ions in wastewater can cause serious toxicological problem which are dangerous to the environment and human being. Hexavalent chromium Cr (VI) is very toxic and mutagenic for most organisms. It is essential to remove this metal from wastewater. The purpose of this study is to investigate the performance of dried water hyacinth (Eichhornia crassipes) in biosorption of hexavalent chromium, Cr (VI). The effect of biosorbent dosage, initial concentreation, initial pH of the solution, and time contact were studied and the optimum conditions for biosorption process were indentified. Only the stems and leaves of the water hyacinth were use as the biosmass in this study. Biomass is mixed with the chromium solution at specific condition before the supernatant is taken. Supernatant were analyzed using atomic absorption spectrophotometer (AAS) in order to determine the concentration of chromium in the solution. Results show that biosorption of chromium (VI) highly depends on parameter studied. The amount of chromium adsorbed depends on the dosage. High loading of biomass will increase the removal of chromium. Low initial concentration also will make sorption yield higher. Biosorption of chromium (VI) is greatly depending on pH value because at pH more than, 2 the amounts of chromium remove is lower. When the time contact between biosorbent and solution increase, the removal of chromium also increase. The optimum condition for biosorption of chromium were at 0.7g biosorbent loading, initial concentration at 5mg/L, 1.8 pH value and 75 minutes of time contact.
format Undergraduates Project Papers
author Mohd Zamri, Zainuddin
author_facet Mohd Zamri, Zainuddin
author_sort Mohd Zamri, Zainuddin
title Biosorption of chromium (VI) from aqueous solution by dried water hyacinth (Eichhornia crassipes)
title_short Biosorption of chromium (VI) from aqueous solution by dried water hyacinth (Eichhornia crassipes)
title_full Biosorption of chromium (VI) from aqueous solution by dried water hyacinth (Eichhornia crassipes)
title_fullStr Biosorption of chromium (VI) from aqueous solution by dried water hyacinth (Eichhornia crassipes)
title_full_unstemmed Biosorption of chromium (VI) from aqueous solution by dried water hyacinth (Eichhornia crassipes)
title_sort biosorption of chromium (vi) from aqueous solution by dried water hyacinth (eichhornia crassipes)
publishDate 2009
url http://umpir.ump.edu.my/id/eprint/855/1/24.BIOSORPTION%20OF%20CHROMIUM%20%28VI%29%20FROM%20AQUEOUS%20SOLUTION%20BY%20DRIED.pdf
http://umpir.ump.edu.my/id/eprint/855/
_version_ 1769842515875201024
score 13.211869

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