Cover Image

Removal of Cu(II) and Cr(VI) from aqueous solutions by water lilies (Nymphaea spontanea)

This study describes an investigation using water lilies (Nymphaea spontanea) to remediate heavy metals (Le. chromium and copper) from aqueous solutions and electroplating waste. Laboratory tests were conducted to evaluate the effect of different ages of water lilies in removing chromium and the...

Full description

Saved in:
Bibliographic Details
Main Author: Choo, Tze Pei
Format: Thesis
Language:English
English
Published: 2001
Subjects:
Water lilies - Research
Aquatic plants - Effect of dredging on
Online Access:http://psasir.upm.edu.my/id/eprint/9274/1/FSAS_2001_27.pdf
http://psasir.upm.edu.my/id/eprint/9274/
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.upm.eprints.9274
record_format eprints
spelling my.upm.eprints.92742024-02-19T02:32:39Z http://psasir.upm.edu.my/id/eprint/9274/ Removal of Cu(II) and Cr(VI) from aqueous solutions by water lilies (Nymphaea spontanea) Choo, Tze Pei This study describes an investigation using water lilies (Nymphaea spontanea) to remediate heavy metals (Le. chromium and copper) from aqueous solutions and electroplating waste. Laboratory tests were conducted to evaluate the effect of different ages of water lilies in removing chromium and the efficiency of water lilies in accumulating different metal ions (i.e. chromium and copper) at various concentrations. Phytotoxicity tests on the test plants were also conducted to determine the plant tolerance towards these metal ions. The absorption of metal ions by aquatic plants depends on the nature and the amount of aquatic plants, their stage of development, as well as the metal ion content and the presence of other dissolved substances. This study shows that plant age has significant effect on the removal and accumulation of chromium. Plants of 9 weeks old appeared to accumulate the most chromium followed by 6 and 3 weeks old plant. The roots of water lilies play an important role in the uptake of metal ions and the results show that metal accumulation in water lilies follow the order: roots > leaves> petioles. Water lilies are capable of accumulating substantial amount of chromium. up to 5956 µg/g, and copper, up to 10615 µg/g, and it is shown that copper is removed more rapidly than chromium. The preferential accumulation of copper over chromium is probably due to the selective nature of these plants and the chemical behaviour of the metal ions. Removal of metals by water lilies is more efficient when the metal is present singly in the solution than in mixed metal solution or waste solution. Results also show that copper is more toxic to water lilies when compared to chromium. 2001-06 Thesis NonPeerReviewed text en http://psasir.upm.edu.my/id/eprint/9274/1/FSAS_2001_27.pdf Choo, Tze Pei (2001) Removal of Cu(II) and Cr(VI) from aqueous solutions by water lilies (Nymphaea spontanea). Masters thesis, Universiti Putra Malaysia. Water lilies - Research Aquatic plants - Effect of dredging on English
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
English
topic Water lilies - Research
Aquatic plants - Effect of dredging on
spellingShingle Water lilies - Research
Aquatic plants - Effect of dredging on
Choo, Tze Pei
Removal of Cu(II) and Cr(VI) from aqueous solutions by water lilies (Nymphaea spontanea)
description This study describes an investigation using water lilies (Nymphaea spontanea) to remediate heavy metals (Le. chromium and copper) from aqueous solutions and electroplating waste. Laboratory tests were conducted to evaluate the effect of different ages of water lilies in removing chromium and the efficiency of water lilies in accumulating different metal ions (i.e. chromium and copper) at various concentrations. Phytotoxicity tests on the test plants were also conducted to determine the plant tolerance towards these metal ions. The absorption of metal ions by aquatic plants depends on the nature and the amount of aquatic plants, their stage of development, as well as the metal ion content and the presence of other dissolved substances. This study shows that plant age has significant effect on the removal and accumulation of chromium. Plants of 9 weeks old appeared to accumulate the most chromium followed by 6 and 3 weeks old plant. The roots of water lilies play an important role in the uptake of metal ions and the results show that metal accumulation in water lilies follow the order: roots > leaves> petioles. Water lilies are capable of accumulating substantial amount of chromium. up to 5956 µg/g, and copper, up to 10615 µg/g, and it is shown that copper is removed more rapidly than chromium. The preferential accumulation of copper over chromium is probably due to the selective nature of these plants and the chemical behaviour of the metal ions. Removal of metals by water lilies is more efficient when the metal is present singly in the solution than in mixed metal solution or waste solution. Results also show that copper is more toxic to water lilies when compared to chromium.
format Thesis
author Choo, Tze Pei
author_facet Choo, Tze Pei
author_sort Choo, Tze Pei
title Removal of Cu(II) and Cr(VI) from aqueous solutions by water lilies (Nymphaea spontanea)
title_short Removal of Cu(II) and Cr(VI) from aqueous solutions by water lilies (Nymphaea spontanea)
title_full Removal of Cu(II) and Cr(VI) from aqueous solutions by water lilies (Nymphaea spontanea)
title_fullStr Removal of Cu(II) and Cr(VI) from aqueous solutions by water lilies (Nymphaea spontanea)
title_full_unstemmed Removal of Cu(II) and Cr(VI) from aqueous solutions by water lilies (Nymphaea spontanea)
title_sort removal of cu(ii) and cr(vi) from aqueous solutions by water lilies (nymphaea spontanea)
publishDate 2001
url http://psasir.upm.edu.my/id/eprint/9274/1/FSAS_2001_27.pdf
http://psasir.upm.edu.my/id/eprint/9274/
_version_ 1792154394341408768
score 13.211869

Similar Items