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...
| Main Authors: | , , , |
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| Format: | Article |
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Marcel Dekker IncNew York
1999
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| Online Access: | http://psasir.upm.edu.my/id/eprint/115324/ |
| _version_ | 1848866747296251904 |
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| author | Yaziz, M.I. Chin, F.L. Tang, S.N. Bich, N.N. |
| author_facet | Yaziz, M.I. Chin, F.L. Tang, S.N. Bich, N.N. |
| author_sort | Yaziz, M.I. |
| building | UPM Institutional Repository |
| collection | Online Access |
| 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. |
| first_indexed | 2025-11-15T14:25:31Z |
| format | Article |
| id | upm-115324 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-15T14:25:31Z |
| publishDate | 1999 |
| publisher | Marcel Dekker IncNew York |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-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 |
| spellingShingle | Yaziz, M.I. Chin, F.L. Tang, S.N. Bich, N.N. Heavy metal leaching of solidified sludge from a glass components industry |
| title | 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_short | Heavy metal leaching of solidified sludge from a glass components industry |
| title_sort | heavy metal leaching of solidified sludge from a glass components industry |
| url | http://psasir.upm.edu.my/id/eprint/115324/ http://psasir.upm.edu.my/id/eprint/115324/ http://psasir.upm.edu.my/id/eprint/115324/ |