Journal article
Metal speciation and leachability of heavy metals from Enersludge ash in concrete
Water Science & Technology, Vol.41(8), pp.53-60
2000
Abstract
The Oil From Sludge (Enersludge™) process converts sewage sludge into hydrocarbons, partially fixing heavy metals in the by-product ash. Research was carried out to investigate the speciation and leaching behaviour of heavy metals (cadmium, copper, chromium, nickel, lead and zinc) when using this ash product in concrete. This was achieved by conducting a sequential extraction procedure, a soluble fraction test and dynamic leach test. Sequential extraction showed that heavy metals in the ash speciated mainly into a stable form. Leachable heavy metals were derived mainly from the concrete (control samples). The soluble fraction test and the dynamic leach test indicated that heavy metals from concrete with Oil From Sludge ash addition exhibited a low leachability.
Details
- Title
- Metal speciation and leachability of heavy metals from Enersludge ash in concrete
- Authors/Creators
- V. Wong (Author/Creator) - Murdoch UniversityG. Ho (Author/Creator) - Murdoch University
- Publication Details
- Water Science & Technology, Vol.41(8), pp.53-60
- Publisher
- International Water Association Publishing
- Identifiers
- 991005545023207891
- Copyright
- © IWA Publishing 2000
- Murdoch Affiliation
- School of Environmental Science
- Language
- English
- Resource Type
- Journal article
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Source: InCites
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- Citation topics
- 7 Engineering & Materials Science
- 7.121 Concrete Science
- 7.121.26 Advanced Concrete
- Web Of Science research areas
- Engineering, Environmental
- Environmental Sciences
- Water Resources
- ESI research areas
- Environment/Ecology