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Heavy Metals Leaching Behaviour Assessment of Palm Oil Clinker

Technical benefit of incorporation of Palm Oil Clinker (POC) in cement-based applications has been proven in recent studies. The aim of this work was to assess the heavy metal leaching behavior to ensure environmental safety of using POC in cement-based applications. The chemical composition, morpho...

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Main Authors:	Karim, Mohammad Razaul, Yusoff, Sumiani, Razak, Hashim Abdul, Chowdhury, Faisal Islam, Zabed, Hossain
Format:	Article
Published:	Penerbit Universiti Kebangsaan Malaysia 2018
Subjects:	QC Physics QH Natural history TA Engineering (General). Civil engineering (General)
Online Access:	http://eprints.um.edu.my/21686/ https://doi.org/10.17576/jsm-2018-4703-12
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spelling	my.um.eprints.216862019-07-22T04:50:14Z http://eprints.um.edu.my/21686/ Heavy Metals Leaching Behaviour Assessment of Palm Oil Clinker Karim, Mohammad Razaul Yusoff, Sumiani Razak, Hashim Abdul Chowdhury, Faisal Islam Zabed, Hossain QC Physics QH Natural history TA Engineering (General). Civil engineering (General) Technical benefit of incorporation of Palm Oil Clinker (POC) in cement-based applications has been proven in recent studies. The aim of this work was to assess the heavy metal leaching behavior to ensure environmental safety of using POC in cement-based applications. The chemical composition, morphology, total organic carbon (TOC) and mineralogy were determined using XRF, FESEM, TOC analyzers and XRD to select appropriate chemical reagents for complete digestion. HNO3, HF and HClO4 were used for digestion of POC to measure heavy metal content using ICP-MS. The chemical reagents CH3COOH, NH2OH-HCl, H2O2+CH3COONH4 and HF+HNO3+HCl were used for extraction of acid soluble, reducible, oxidizable and residual fractions of heavy metals in POC, respectively. The leaching toxicity of the POC was investigated by the USEPA 1311 TCLP method. The result showed the presence of Be, V, Cr, Ni, Cu, Zn, As, Se, Ag, Cd, Ba and Pb with levels of 5.13, 11.02, 2.65, 1.93, 45.43, 11.84, 15.07, 0, 0, 81.97 and 1.76 mg/kg, respectively, in POC. The leaching value in mg/L of As (4.56), Cu(1.05), Be (0.89), Zn(0.51), Ba(0.26), Ni (0.17), V(0.15), Cr(0.001) and Se (0.001) is found well below the standard limit of risk. Risk assessment code (RAC) analysis confirms the safe incorporation of POC in cement-based applications. Penerbit Universiti Kebangsaan Malaysia 2018 Article PeerReviewed Karim, Mohammad Razaul and Yusoff, Sumiani and Razak, Hashim Abdul and Chowdhury, Faisal Islam and Zabed, Hossain (2018) Heavy Metals Leaching Behaviour Assessment of Palm Oil Clinker. Sains Malaysiana, 47 (3). pp. 523-530. ISSN 0126-6039 https://doi.org/10.17576/jsm-2018-4703-12 doi:10.17576/jsm-2018-4703-12
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
topic	QC Physics QH Natural history TA Engineering (General). Civil engineering (General)
spellingShingle	QC Physics QH Natural history TA Engineering (General). Civil engineering (General) Karim, Mohammad Razaul Yusoff, Sumiani Razak, Hashim Abdul Chowdhury, Faisal Islam Zabed, Hossain Heavy Metals Leaching Behaviour Assessment of Palm Oil Clinker
description	Technical benefit of incorporation of Palm Oil Clinker (POC) in cement-based applications has been proven in recent studies. The aim of this work was to assess the heavy metal leaching behavior to ensure environmental safety of using POC in cement-based applications. The chemical composition, morphology, total organic carbon (TOC) and mineralogy were determined using XRF, FESEM, TOC analyzers and XRD to select appropriate chemical reagents for complete digestion. HNO3, HF and HClO4 were used for digestion of POC to measure heavy metal content using ICP-MS. The chemical reagents CH3COOH, NH2OH-HCl, H2O2+CH3COONH4 and HF+HNO3+HCl were used for extraction of acid soluble, reducible, oxidizable and residual fractions of heavy metals in POC, respectively. The leaching toxicity of the POC was investigated by the USEPA 1311 TCLP method. The result showed the presence of Be, V, Cr, Ni, Cu, Zn, As, Se, Ag, Cd, Ba and Pb with levels of 5.13, 11.02, 2.65, 1.93, 45.43, 11.84, 15.07, 0, 0, 81.97 and 1.76 mg/kg, respectively, in POC. The leaching value in mg/L of As (4.56), Cu(1.05), Be (0.89), Zn(0.51), Ba(0.26), Ni (0.17), V(0.15), Cr(0.001) and Se (0.001) is found well below the standard limit of risk. Risk assessment code (RAC) analysis confirms the safe incorporation of POC in cement-based applications.
format	Article
author	Karim, Mohammad Razaul Yusoff, Sumiani Razak, Hashim Abdul Chowdhury, Faisal Islam Zabed, Hossain
author_facet	Karim, Mohammad Razaul Yusoff, Sumiani Razak, Hashim Abdul Chowdhury, Faisal Islam Zabed, Hossain
author_sort	Karim, Mohammad Razaul
title	Heavy Metals Leaching Behaviour Assessment of Palm Oil Clinker
title_short	Heavy Metals Leaching Behaviour Assessment of Palm Oil Clinker
title_full	Heavy Metals Leaching Behaviour Assessment of Palm Oil Clinker
title_fullStr	Heavy Metals Leaching Behaviour Assessment of Palm Oil Clinker
title_full_unstemmed	Heavy Metals Leaching Behaviour Assessment of Palm Oil Clinker
title_sort	heavy metals leaching behaviour assessment of palm oil clinker
publisher	Penerbit Universiti Kebangsaan Malaysia
publishDate	2018
url	http://eprints.um.edu.my/21686/ https://doi.org/10.17576/jsm-2018-4703-12
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score	13.211869

Heavy Metals Leaching Behaviour Assessment of Palm Oil Clinker

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