Efficiency and feasibility of Acacia mangium in extracting heavy metals from contaminated soil

Contamination of soil by heavy metals commonly occurs and remediation is required before the soil is suitable for normal use. Phytoremediation is a low cost and reliable technique to remediate contaminated soil but this technique is not yet commonly used in Malaysia. In addition, phytoremediation us...

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Main Authors: Nik Jaafar, Nik Mohd Shibli, Mohamed Shazili, Noor Azhar, Nik Ab. Majid, Nik Muhamad
Format: Conference or Workshop Item
Language:English
Published: Penerbit Universiti Malaysia Terengganu 2016
Online Access:http://psasir.upm.edu.my/id/eprint/51313/
http://psasir.upm.edu.my/id/eprint/51313/1/1-15.pdf
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author Nik Jaafar, Nik Mohd Shibli
Mohamed Shazili, Noor Azhar
Nik Ab. Majid, Nik Muhamad
author_facet Nik Jaafar, Nik Mohd Shibli
Mohamed Shazili, Noor Azhar
Nik Ab. Majid, Nik Muhamad
author_sort Nik Jaafar, Nik Mohd Shibli
building UPM Institutional Repository
collection Online Access
description Contamination of soil by heavy metals commonly occurs and remediation is required before the soil is suitable for normal use. Phytoremediation is a low cost and reliable technique to remediate contaminated soil but this technique is not yet commonly used in Malaysia. In addition, phytoremediation using timber species are rarely reported. This study aims to evaluate the efficiency and feasibility of Acacia mangium, a renowned timber species in Malaysia to remediate heavy metals namely Zn, Cu and Cd contaminated soil. A pilot study was conducted in which over 200 saplings of A. mangium were planted in rows on a sewage sludge disposal site with distance of 2m apart. The growth of the trees planted was recorded for 12 months and total aboveground biomass was determined at the end of the experiment period. Results show that A. mangium accumulates 200mg/kg of Zn, 40mg/kg of Cu and 2.0mg/kg of Cd in their aboveground biomass. Thus it can be estimated that 339t/ha of biomass would be required to remove 79.8kg/ha of Zn; 1173t/ha and 1165t/ha of biomass to remove 46.9kg/ha and 2.33kg/ha for Cu and Cd, respectively. This study shows that a hectare of A. mangium plantation could generate aboveground biomass over 2,044t/ha within just 3 years, which is above the requirement needed to remove Zn, Cu and Cd of the amount stated above. Furthermore, if the biomass estimation was set to a 10-year period, over 31,000t/ha could be produced with over 25,300m3 of timber which could generate a substantial income for the remediation project and have high potential for this soil remediation technique to be commercialized.
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format Conference or Workshop Item
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institution Universiti Putra Malaysia
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language English
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spelling upm-513132017-04-03T07:48:07Z http://psasir.upm.edu.my/id/eprint/51313/ Efficiency and feasibility of Acacia mangium in extracting heavy metals from contaminated soil Nik Jaafar, Nik Mohd Shibli Mohamed Shazili, Noor Azhar Nik Ab. Majid, Nik Muhamad Contamination of soil by heavy metals commonly occurs and remediation is required before the soil is suitable for normal use. Phytoremediation is a low cost and reliable technique to remediate contaminated soil but this technique is not yet commonly used in Malaysia. In addition, phytoremediation using timber species are rarely reported. This study aims to evaluate the efficiency and feasibility of Acacia mangium, a renowned timber species in Malaysia to remediate heavy metals namely Zn, Cu and Cd contaminated soil. A pilot study was conducted in which over 200 saplings of A. mangium were planted in rows on a sewage sludge disposal site with distance of 2m apart. The growth of the trees planted was recorded for 12 months and total aboveground biomass was determined at the end of the experiment period. Results show that A. mangium accumulates 200mg/kg of Zn, 40mg/kg of Cu and 2.0mg/kg of Cd in their aboveground biomass. Thus it can be estimated that 339t/ha of biomass would be required to remove 79.8kg/ha of Zn; 1173t/ha and 1165t/ha of biomass to remove 46.9kg/ha and 2.33kg/ha for Cu and Cd, respectively. This study shows that a hectare of A. mangium plantation could generate aboveground biomass over 2,044t/ha within just 3 years, which is above the requirement needed to remove Zn, Cu and Cd of the amount stated above. Furthermore, if the biomass estimation was set to a 10-year period, over 31,000t/ha could be produced with over 25,300m3 of timber which could generate a substantial income for the remediation project and have high potential for this soil remediation technique to be commercialized. Penerbit Universiti Malaysia Terengganu 2016 Conference or Workshop Item PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/51313/1/1-15.pdf Nik Jaafar, Nik Mohd Shibli and Mohamed Shazili, Noor Azhar and Nik Ab. Majid, Nik Muhamad (2016) Efficiency and feasibility of Acacia mangium in extracting heavy metals from contaminated soil. In: 13th Universiti Malaysia Terengganu International Annual Symposium on Sustainability Science and Management (UMTAS 2016), 13-15 Dec. 2016, Primula Beach Hotel, Kuala Terengganu. (pp. 158-163). http://umtas2016.umt.edu.my/?page_id=210
spellingShingle Nik Jaafar, Nik Mohd Shibli
Mohamed Shazili, Noor Azhar
Nik Ab. Majid, Nik Muhamad
Efficiency and feasibility of Acacia mangium in extracting heavy metals from contaminated soil
title Efficiency and feasibility of Acacia mangium in extracting heavy metals from contaminated soil
title_full Efficiency and feasibility of Acacia mangium in extracting heavy metals from contaminated soil
title_fullStr Efficiency and feasibility of Acacia mangium in extracting heavy metals from contaminated soil
title_full_unstemmed Efficiency and feasibility of Acacia mangium in extracting heavy metals from contaminated soil
title_short Efficiency and feasibility of Acacia mangium in extracting heavy metals from contaminated soil
title_sort efficiency and feasibility of acacia mangium in extracting heavy metals from contaminated soil
url http://psasir.upm.edu.my/id/eprint/51313/
http://psasir.upm.edu.my/id/eprint/51313/
http://psasir.upm.edu.my/id/eprint/51313/1/1-15.pdf