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|Title: ||Phytoremediation: case study at ex -mamut copper mine, Ranau, Sabah|
|Authors: ||Kartini Saibeh|
|Issue Date: ||2009|
|Publisher: ||Mineral Research Centre, Minerals and Geoscience Department Malaysia|
|Citation: ||Proceedings of Simpomin 2009: Sustainability and Competitiveness of Malaysian Mineral Through R & D: Bukit Merah Laketown Resort, Taiping, Perak, 9-11 Nov 2009, p. 57-63|
|Abstract: ||Research has been carried out to determine the concentration of seven heavy metals (Cd, Cr, Cu, Fe, Pb, Ni, and Zn) in the roots of20 randomly selected plant species. Twenty replicates of each plant were planted in pots filled with the soils from »est Dump, ex -Mamut Copper Mine, Ranau, Sabah. Plant roots of each species were sampled from 3 random replicates to detennine the con centration of heavy metals at 0 and l20-day Samples of plant roots were digested using hot concentrated nitric acid and the amounts of heavy metals were determined using Atomic Absorption Spectrometer. Results at 120 -day showed that the roots of Scirpus mucronatus accumulated Cu (399.2j.ig/g), Fe (5201.7j.ig/g), and Pb (181.09j.ig/g) at the highest concentration. The roots of Orthosiphon stamineus accumulated the highest Cd (13.5j.ig/g). The roots of
Odontosoria chinensis accumulated the highest Cr (42.7 j.ig/g) and Ni (150.7 j.ig/g) and Pityrogramma calomelanos accumulated the highest Zn (465.0 j.iglg). The results obtained from this research can be used as fundamental data in choosing plant species for remediation of the ex-Mamut Copper Mine.|
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