Assessment of metals speciation in sewage sludge and stabilized sludge from different Wastewater Treatment Plants, Greater Cairo, Egypt.
Identifieur interne : 000438 ( Main/Exploration ); précédent : 000437; suivant : 000439Assessment of metals speciation in sewage sludge and stabilized sludge from different Wastewater Treatment Plants, Greater Cairo, Egypt.
Auteurs : M R Lasheen [Égypte] ; N S AmmarSource :
- Journal of hazardous materials [ 1873-3336 ] ; 2009.
Descripteurs français
- Wicri :
- geographic : Égypte.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Metals, Sewage.
- chemical : Dust, Manganese, Nickel, Zinc.
- geographic : Egypt.
- methods : Waste Disposal, Fluid.
- Construction Materials.
Abstract
The metals speciation in all sludge samples from the different Wastewater Treatment Plants (WWTPs) indicated that, Mn, Ni and Zn were most abundant in the exchangeable, carbonate and Fe/Mn-oxide forms which are the easily assimilable fractions and showed the greatest degree of their mobility, while Cd, Cu, Cr and Fe were major in the organic and sulfide (exhibit some degree of mobility), and the residual form (inert phase) which, corresponds to the part of the metals which cannot be mobilized. Cement kiln dust significantly reduced the availability of metals by chemical modification of their chemical speciation into less available forms.
DOI: 10.1016/j.jhazmat.2008.08.068
PubMed: 18845393
Affiliations:
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Le document en format XML
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Cement kiln dust significantly reduced the availability of metals by chemical modification of their chemical speciation into less available forms.</div></front></TEI><affiliations><list><country><li>Égypte</li></country></list><tree><noCountry><name sortKey="Ammar, N S" sort="Ammar, N S" uniqKey="Ammar N" first="N S" last="Ammar">N S Ammar</name></noCountry><country name="Égypte"><noRegion><name sortKey="Lasheen, M R" sort="Lasheen, M R" uniqKey="Lasheen M" first="M R" last="Lasheen">M R Lasheen</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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