Determination of heavy metals and radionuclides in coal and industrial fly ash by neutron activation analysis (NAA) and gamma spectrometry

Coal-fired power plants and industrial waste (IW) incinerators increasingly dispose large amounts of fly ash that cause environmental contamination by toxic heavy metals. This study aimed to investigate the concentration of heavy metals and measure the specific activity of naturally occurring radioa...

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Main Authors:	M. AL-Areqi, Wadeeah, M. Bobaker, Aiman, Alakili, Intisar, Amran Ab. Majid, Sukiman Sarmani
Format:	Article
Language:	English
Published:	Penerbit Universiti Kebangsaan Malaysia 2019
Online Access:	http://journalarticle.ukm.my/13888/ http://journalarticle.ukm.my/13888/ http://journalarticle.ukm.my/13888/1/11%20Wadeeah%20M.%20AL-Areqi.pdf

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spelling	ukm-138882020-01-10T08:44:04Z http://journalarticle.ukm.my/13888/ Determination of heavy metals and radionuclides in coal and industrial fly ash by neutron activation analysis (NAA) and gamma spectrometry M. AL-Areqi, Wadeeah M. Bobaker, Aiman Alakili, Intisar Amran Ab. Majid, Sukiman Sarmani, Coal-fired power plants and industrial waste (IW) incinerators increasingly dispose large amounts of fly ash that cause environmental contamination by toxic heavy metals. This study aimed to investigate the concentration of heavy metals and measure the specific activity of naturally occurring radioactive materials (NORM) that remain in the fly ash of coal power plants and industrial incinerators. Ash samples were collected from the Kapar and Jana Manjung coal-fired power plants and the Kualiti Alam industrial incinerator in Malaysia. The concentrations of As, Ba, Co, Cr, Fe, Sb, Zn, Th and U were determined via neutron activation analysis (NAA). Results indicated that the highest concentrations of heavy metals in Kapar and Jana Manjung coal fly ash were 27 012 and 57 500 mg/kg for Fe and 494 and 1,119 mg/kg for Ba, respectively, and the lowest concentrations for Sb were at 3.67 and 2.23 mg/kg, respectively. The concentrations of Fe, Zn, Ba and Cr in industrial fly ash were 31 0007, 7 675, 2 760 and 1,029 mg/kg, respectively. The concentrations of As, Ba, Cr, Fe and Zn were higher in industrial fly ash than in coal fly ash. The specific activity concentrations of NORM, namely, 40K, 226Ra, 232Th and 238U determined by gamma spectrometry in Kapar coal fly ash were 321.65, 27.42, 134.41 and 152.71 Bq/kg, respectively. Elemental concentration results indicated that the amounts of heavy metals depended on feed sources and combustion temperatures. Most heavy metal contents and radionuclides in power plant and incinerator fly ash were significantly lower or within the global ranges. Penerbit Universiti Kebangsaan Malaysia 2019-08 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/13888/1/11%20Wadeeah%20M.%20AL-Areqi.pdf M. AL-Areqi, Wadeeah and M. Bobaker, Aiman and Alakili, Intisar and Amran Ab. Majid, and Sukiman Sarmani, (2019) Determination of heavy metals and radionuclides in coal and industrial fly ash by neutron activation analysis (NAA) and gamma spectrometry. Sains Malaysiana, 48 (8). pp. 1655-1660. ISSN 0126-6039 http://www.ukm.my/jsm/malay_journals/jilid48bil8_2019/KandunganJilid48Bil8_2019.html
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Kebangasaan Malaysia
building	UKM Institutional Repository
collection	Online Access
language	English
description	Coal-fired power plants and industrial waste (IW) incinerators increasingly dispose large amounts of fly ash that cause environmental contamination by toxic heavy metals. This study aimed to investigate the concentration of heavy metals and measure the specific activity of naturally occurring radioactive materials (NORM) that remain in the fly ash of coal power plants and industrial incinerators. Ash samples were collected from the Kapar and Jana Manjung coal-fired power plants and the Kualiti Alam industrial incinerator in Malaysia. The concentrations of As, Ba, Co, Cr, Fe, Sb, Zn, Th and U were determined via neutron activation analysis (NAA). Results indicated that the highest concentrations of heavy metals in Kapar and Jana Manjung coal fly ash were 27 012 and 57 500 mg/kg for Fe and 494 and 1,119 mg/kg for Ba, respectively, and the lowest concentrations for Sb were at 3.67 and 2.23 mg/kg, respectively. The concentrations of Fe, Zn, Ba and Cr in industrial fly ash were 31 0007, 7 675, 2 760 and 1,029 mg/kg, respectively. The concentrations of As, Ba, Cr, Fe and Zn were higher in industrial fly ash than in coal fly ash. The specific activity concentrations of NORM, namely, 40K, 226Ra, 232Th and 238U determined by gamma spectrometry in Kapar coal fly ash were 321.65, 27.42, 134.41 and 152.71 Bq/kg, respectively. Elemental concentration results indicated that the amounts of heavy metals depended on feed sources and combustion temperatures. Most heavy metal contents and radionuclides in power plant and incinerator fly ash were significantly lower or within the global ranges.
format	Article
author	M. AL-Areqi, Wadeeah M. Bobaker, Aiman Alakili, Intisar Amran Ab. Majid, Sukiman Sarmani,
spellingShingle	M. AL-Areqi, Wadeeah M. Bobaker, Aiman Alakili, Intisar Amran Ab. Majid, Sukiman Sarmani, Determination of heavy metals and radionuclides in coal and industrial fly ash by neutron activation analysis (NAA) and gamma spectrometry
author_facet	M. AL-Areqi, Wadeeah M. Bobaker, Aiman Alakili, Intisar Amran Ab. Majid, Sukiman Sarmani,
author_sort	M. AL-Areqi, Wadeeah
title	Determination of heavy metals and radionuclides in coal and industrial fly ash by neutron activation analysis (NAA) and gamma spectrometry
title_short	Determination of heavy metals and radionuclides in coal and industrial fly ash by neutron activation analysis (NAA) and gamma spectrometry
title_full	Determination of heavy metals and radionuclides in coal and industrial fly ash by neutron activation analysis (NAA) and gamma spectrometry
title_fullStr	Determination of heavy metals and radionuclides in coal and industrial fly ash by neutron activation analysis (NAA) and gamma spectrometry
title_full_unstemmed	Determination of heavy metals and radionuclides in coal and industrial fly ash by neutron activation analysis (NAA) and gamma spectrometry
title_sort	determination of heavy metals and radionuclides in coal and industrial fly ash by neutron activation analysis (naa) and gamma spectrometry
publisher	Penerbit Universiti Kebangsaan Malaysia
publishDate	2019
url	http://journalarticle.ukm.my/13888/ http://journalarticle.ukm.my/13888/ http://journalarticle.ukm.my/13888/1/11%20Wadeeah%20M.%20AL-Areqi.pdf
first_indexed	2023-09-18T20:05:51Z
last_indexed	2023-09-18T20:05:51Z
_version_	1777407153146953728

Determination of heavy metals and radionuclides in coal and industrial fly ash by neutron activation analysis (NAA) and gamma spectrometry

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