Phytoremediation of abandoned mining lake by water hyacinth and water lettuces in constructed wetlands

Norhaslina Mohd Sidek, Siti Rozaimah Sheikh Abdullah, Nurul Uyun Ahmad, Sarifah Fauziah Syed Draman, Muhammad Muzakkir Mohd Rosli, Mohamad Fahmey Sanusi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Tasik Puteri is a recreational lake for few activities such as scuba diving, kayaking and swimming during the dry season. However, this lake was an iron ore mining site with the remaining contaminants and heavy metal of the lake can harm the people who directly get into contact with the lake water. The present study focused on investigating the phytoremediation potential of locally available floating aquatic plants in the treatment process of water from Tasik Puteri, which was contaminated with mining effluent. The effluent was treated with water hyacinth (Eichhornia crassipes) and water lettuces (Salvinia molesta and Pistia stratiotes) in a constructed wetland for a period of 28 days. The effluent treatment efficiency was determined by measuring the effluent quality over the experimental period. Five water parameters such as the total iron (TI), total phosphorus (TP), chemical oxygen demand (COD), electrical conductivity (EC) and turbidity were examined using standard laboratory procedures. The results indicated that the three plants were able to remove the contaminants. After 28 days, the physical observation shows that the water hyacinth was healthier than the water lettuces. Considerable decrements in concentration were recorded in TI, TP and EC, but fluctuation in COD and turbidity value were observed. Comparison results by the plants indicated that after 28 days, water hyacinth was the most effective plant in removing phosporus, COD and EC of the mining lake with 97.3%, 70.5% and 22.2% removal, respectively. Furthermore, water lettuce (P. stratiotes) was the most effective plant in removing Iron (96.0%) and the turbidity (50.0%) of the mining lake. S. molesta showed the lowest removal capability for all experimental parameters. In conclusion, water hyacinth and water lettuces had shown better capability in removing heavy metals and other contaminants with E. crassipes has the highest survivability in the lake water.

Original languageEnglish
Pages (from-to)87-93
Number of pages7
JournalJurnal Teknologi
Volume80
Issue number5
DOIs
Publication statusPublished - 1 Sep 2018

Fingerprint

Wetlands
Lakes
Water
Chemical oxygen demand
Turbidity
Effluents
Impurities
Iron
Heavy metals
Phosphorus
Effluent treatment
Iron ores

Keywords

  • Abandoned mining lake
  • Floating plants
  • Heavy metal
  • Phytoremediation
  • Rhizofiltration

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Phytoremediation of abandoned mining lake by water hyacinth and water lettuces in constructed wetlands. / Sidek, Norhaslina Mohd; Sheikh Abdullah, Siti Rozaimah; Ahmad, Nurul Uyun; Draman, Sarifah Fauziah Syed; Rosli, Muhammad Muzakkir Mohd; Sanusi, Mohamad Fahmey.

In: Jurnal Teknologi, Vol. 80, No. 5, 01.09.2018, p. 87-93.

Research output: Contribution to journalArticle

Sidek, Norhaslina Mohd ; Sheikh Abdullah, Siti Rozaimah ; Ahmad, Nurul Uyun ; Draman, Sarifah Fauziah Syed ; Rosli, Muhammad Muzakkir Mohd ; Sanusi, Mohamad Fahmey. / Phytoremediation of abandoned mining lake by water hyacinth and water lettuces in constructed wetlands. In: Jurnal Teknologi. 2018 ; Vol. 80, No. 5. pp. 87-93.
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