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Effects of high temperature melting on fractionation of heavy metals in sewage sludge

Sewage sludge from aerobic treatment plant was found to contain high amounts of heavy metals. Research was carried out to investigate the speciation and leaching behavior of heavy metals when using high temperature melting technology for treatment. This was achieved by conducting a sequential chemic...

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Main Authors: Idris, Azni, Saed, Katayon
Format: Article
Published: Informa UK Limited 2002
Online Access:http://psasir.upm.edu.my/id/eprint/115463/
https://www.tandfonline.com/doi/full/10.1081/ESE-120004527
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spelling my.upm.eprints.1154632025-03-04T08:15:54Z http://psasir.upm.edu.my/id/eprint/115463/ Effects of high temperature melting on fractionation of heavy metals in sewage sludge Idris, Azni Saed, Katayon Sewage sludge from aerobic treatment plant was found to contain high amounts of heavy metals. Research was carried out to investigate the speciation and leaching behavior of heavy metals when using high temperature melting technology for treatment. This was achieved by conducting a sequential chemical extraction procedure and EP-TOX leaching test. The thermal treatment led to increased shift of metals from organic fraction to residual fraction, indicating that the thermal treatment caused metals in sewage sludge to become stable. Furthermore, results from leaching test revealed that metals were not leached from the final product after thermal treatment and this was verified using US EPA standard limits. Results from this study indicated that melting technology could convert the sludge to product that can be either reused or landfilled without an adverse environmental impact. Informa UK Limited 2002 Article PeerReviewed Idris, Azni and Saed, Katayon (2002) Effects of high temperature melting on fractionation of heavy metals in sewage sludge. Journal of Environmental Science and Health, Part A, 37 (6). pp. 1123-1131. ISSN 1093-4529; eISSN: 1532-4117 https://www.tandfonline.com/doi/full/10.1081/ESE-120004527 10.1081/ESE-120004527
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
description Sewage sludge from aerobic treatment plant was found to contain high amounts of heavy metals. Research was carried out to investigate the speciation and leaching behavior of heavy metals when using high temperature melting technology for treatment. This was achieved by conducting a sequential chemical extraction procedure and EP-TOX leaching test. The thermal treatment led to increased shift of metals from organic fraction to residual fraction, indicating that the thermal treatment caused metals in sewage sludge to become stable. Furthermore, results from leaching test revealed that metals were not leached from the final product after thermal treatment and this was verified using US EPA standard limits. Results from this study indicated that melting technology could convert the sludge to product that can be either reused or landfilled without an adverse environmental impact.
format Article
author Idris, Azni
Saed, Katayon
spellingShingle Idris, Azni
Saed, Katayon
Effects of high temperature melting on fractionation of heavy metals in sewage sludge
author_facet Idris, Azni
Saed, Katayon
author_sort Idris, Azni
title Effects of high temperature melting on fractionation of heavy metals in sewage sludge
title_short Effects of high temperature melting on fractionation of heavy metals in sewage sludge
title_full Effects of high temperature melting on fractionation of heavy metals in sewage sludge
title_fullStr Effects of high temperature melting on fractionation of heavy metals in sewage sludge
title_full_unstemmed Effects of high temperature melting on fractionation of heavy metals in sewage sludge
title_sort effects of high temperature melting on fractionation of heavy metals in sewage sludge
publisher Informa UK Limited
publishDate 2002
url http://psasir.upm.edu.my/id/eprint/115463/
https://www.tandfonline.com/doi/full/10.1081/ESE-120004527
_version_ 1825810757539856384
score 13.244413

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