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Heavy metal leaching of solidified sludge from a glass components industry

Leaching tests conducted on raw sludge wastes from a glass components manufacturing factory using the US EPA TCLP procedure showed that Pb, Hg, As and Ba leached at pH<3.5 whilst Cd and Cr did not. To control the leaching, asphalt, a mixture of asphalt and powdered activated carbon (PAC) and Port...

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Main Authors: Yaziz, M.I., Chin, F.L., Tang, S.N., Bich, N.N.
Format: Article
Published: Marcel Dekker IncNew York 1999
Online Access:http://psasir.upm.edu.my/id/eprint/115324/
https://www.tandfonline.com/doi/abs/10.1080/10934529909376869
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spelling my.upm.eprints.1153242025-03-03T03:47:58Z http://psasir.upm.edu.my/id/eprint/115324/ Heavy metal leaching of solidified sludge from a glass components industry Yaziz, M.I. Chin, F.L. Tang, S.N. Bich, N.N. Leaching tests conducted on raw sludge wastes from a glass components manufacturing factory using the US EPA TCLP procedure showed that Pb, Hg, As and Ba leached at pH<3.5 whilst Cd and Cr did not. To control the leaching, asphalt, a mixture of asphalt and powdered activated carbon (PAC) and Portland cement were used as fixing agents to stabilize the sludge. Leaching tests on the stabilized sludge using leachants of pH 2.5-7.0 showed that the lowest leachate metal concentration were obtained from the sludge which had been stabilized using a mixture of asphalt and PAC. Portland cement at a cement-to-sludge ratio of 0.5 also reduced the leaching of metals from the solidified sludge with metals concentrations in the leachate lower than the US EPA regulatory limits.; Leaching tests conducted on raw sludge wastes from a glass components manufacturing factory using the US EPA TCLP procedure showed that Pb, Hg, As and Ba leached at pH<3.5 whilst Cd and Cr did not. To control the leaching, asphalt, a mixture of asphalt and powdered activated carbon (PAC) and Portland cement were used as fixing agents to stabilize the sludge. Leaching tests on the stabilized sludge using leachants of pH 2.5-7.0 showed that the lowest leachate metal concentration were obtained from the sludge which had been stabilized using a mixture of asphalt and PAC. Portland cement at a cement-to-sludge ratio of 0.5 also reduced the leaching of metals from the solidified sludge with metals concentrations in the leachate lower than the US EPA regulatory limits. Marcel Dekker IncNew York 1999 Article PeerReviewed Yaziz, M.I. and Chin, F.L. and Tang, S.N. and Bich, N.N. (1999) Heavy metal leaching of solidified sludge from a glass components industry. Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering, 34 (4). pp. 853-861. ISSN 1093-4529; eISSN: 1093-4529 https://www.tandfonline.com/doi/abs/10.1080/10934529909376869 10.1080/10934529909376869
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 Leaching tests conducted on raw sludge wastes from a glass components manufacturing factory using the US EPA TCLP procedure showed that Pb, Hg, As and Ba leached at pH<3.5 whilst Cd and Cr did not. To control the leaching, asphalt, a mixture of asphalt and powdered activated carbon (PAC) and Portland cement were used as fixing agents to stabilize the sludge. Leaching tests on the stabilized sludge using leachants of pH 2.5-7.0 showed that the lowest leachate metal concentration were obtained from the sludge which had been stabilized using a mixture of asphalt and PAC. Portland cement at a cement-to-sludge ratio of 0.5 also reduced the leaching of metals from the solidified sludge with metals concentrations in the leachate lower than the US EPA regulatory limits.; Leaching tests conducted on raw sludge wastes from a glass components manufacturing factory using the US EPA TCLP procedure showed that Pb, Hg, As and Ba leached at pH<3.5 whilst Cd and Cr did not. To control the leaching, asphalt, a mixture of asphalt and powdered activated carbon (PAC) and Portland cement were used as fixing agents to stabilize the sludge. Leaching tests on the stabilized sludge using leachants of pH 2.5-7.0 showed that the lowest leachate metal concentration were obtained from the sludge which had been stabilized using a mixture of asphalt and PAC. Portland cement at a cement-to-sludge ratio of 0.5 also reduced the leaching of metals from the solidified sludge with metals concentrations in the leachate lower than the US EPA regulatory limits.
format Article
author Yaziz, M.I.
Chin, F.L.
Tang, S.N.
Bich, N.N.
spellingShingle Yaziz, M.I.
Chin, F.L.
Tang, S.N.
Bich, N.N.
Heavy metal leaching of solidified sludge from a glass components industry
author_facet Yaziz, M.I.
Chin, F.L.
Tang, S.N.
Bich, N.N.
author_sort Yaziz, M.I.
title Heavy metal leaching of solidified sludge from a glass components industry
title_short Heavy metal leaching of solidified sludge from a glass components industry
title_full Heavy metal leaching of solidified sludge from a glass components industry
title_fullStr Heavy metal leaching of solidified sludge from a glass components industry
title_full_unstemmed Heavy metal leaching of solidified sludge from a glass components industry
title_sort heavy metal leaching of solidified sludge from a glass components industry
publisher Marcel Dekker IncNew York
publishDate 1999
url http://psasir.upm.edu.my/id/eprint/115324/
https://www.tandfonline.com/doi/abs/10.1080/10934529909376869
_version_ 1825810732223037440
score 13.244413

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