Leaching behaviour of Cd, Cu, Pb and Zn in surface soils derived from dredged sediments
Leaching of heavy metals from land-disposed dredged sediment spoils is a potential environmental hazard. The leaching behavior of Cd, Cu, Pb and Zn in surface soils sampled from abandoned dredged sediment disposal sites was assessed. Using simple mass-balance calculations, the significance of the le...
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| Veröffentlicht in: | Environmental pollution (1987) 1999-01, Vol.106 (1), p.107-114 |
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| creator | Tack, F.M.G. Singh, S.P. Verloo, M.G. |
| description | Leaching of heavy metals from land-disposed dredged sediment spoils is a potential environmental hazard. The leaching behavior of Cd, Cu, Pb and Zn in surface soils sampled from abandoned dredged sediment disposal sites was assessed. Using simple mass-balance calculations, the significance of the leaching test results with respect to metal migration into underlying clean soil was appraised. The potential leachability, defined as the amounts released at constant pH 4, decreased in the order (% of total contents): Zn (58%)≈Cd (49%)>Cu (5%)≈Pb (2%). The kinetics of metal release were determined in a cascade shaking test using de-mineralized water acidified to pH 4 (HNO
3). Metal concentrations in the leachates were low and metal migration was, assuming uniform convective flow, predicted to be of no environmental concern. It is emphasized that any long-term prediction of metal migration is uncertain. |
| doi_str_mv | 10.1016/S0269-7491(99)00053-6 |
| format | Article |
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3). Metal concentrations in the leachates were low and metal migration was, assuming uniform convective flow, predicted to be of no environmental concern. It is emphasized that any long-term prediction of metal migration is uncertain.</description><subject>Applied sciences</subject><subject>Biological and physicochemical properties of pollutants. Interaction in the soil</subject><subject>cadmium</subject><subject>copper</subject><subject>Dredged materials</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Engineering and environment geology. Geothermics</subject><subject>Exact sciences and technology</subject><subject>Heavy metals</subject><subject>Leaching</subject><subject>lead</subject><subject>Mobility</subject><subject>Pollution</subject><subject>Pollution, environment geology</subject><subject>Risk assessment</subject><subject>sediments</subject><subject>Soil and sediments pollution</subject><subject>soil pH</subject><subject>sorption</subject><subject>zinc</subject><issn>0269-7491</issn><issn>1873-6424</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNqF0V2LEzEUBuAgiltXf4KaCxGFHU0m31cixS8oKOyK4E04k5zpRqYzu0mn4L833Rb3sldJ4EnecF5CnnP2jjOu31-yVrvGSMffOPeWMaZEox-QBbembmQrH5LFf3JGnpTypyIphHhMzrhiTjCtFuTXCiFcp3FNO7yGXZrmTKeeLuMFXc4X9EdHYYz090jTSMucewhIy5SGQiPmtMNI-zxtaMwY1_VQMKYNjtvylDzqYSj47Liek6vPn66WX5vV9y_flh9XDSipt40O2AWrOmsQtLW9sQyMUFpHhg6h08Za4OC0bgEDBCe0VdLF2PatDUack9eHZ2_ydDtj2fpNKgGHAUac5uK1U1JqYU9CbgRvW61PQ6m4dEJVqA4w5KmUjL2_yWkD-a_nzO8r8ncV-f38vXP-riK_D3hxDJi7Dcb7W8dOKnh1BFACDH2GMaRy7-oAtBOVvTywHiYP61zJz8uWccFax6wx-6QPB4G1gF3C7EtIOIbaUcaw9XFKJ_76D1F2tOo</recordid><startdate>19990101</startdate><enddate>19990101</enddate><creator>Tack, F.M.G.</creator><creator>Singh, S.P.</creator><creator>Verloo, M.G.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7TV</scope><scope>7UA</scope><scope>7X8</scope></search><sort><creationdate>19990101</creationdate><title>Leaching behaviour of Cd, Cu, Pb and Zn in surface soils derived from dredged sediments</title><author>Tack, F.M.G. ; Singh, S.P. ; Verloo, M.G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a546t-6cebc85b87ea688f780a73566d0e9eab6788a1a9662aecac9368549dd2f28c73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Applied sciences</topic><topic>Biological and physicochemical properties of pollutants. Interaction in the soil</topic><topic>cadmium</topic><topic>copper</topic><topic>Dredged materials</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Engineering and environment geology. Geothermics</topic><topic>Exact sciences and technology</topic><topic>Heavy metals</topic><topic>Leaching</topic><topic>lead</topic><topic>Mobility</topic><topic>Pollution</topic><topic>Pollution, environment geology</topic><topic>Risk assessment</topic><topic>sediments</topic><topic>Soil and sediments pollution</topic><topic>soil pH</topic><topic>sorption</topic><topic>zinc</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tack, F.M.G.</creatorcontrib><creatorcontrib>Singh, S.P.</creatorcontrib><creatorcontrib>Verloo, M.G.</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Pollution Abstracts</collection><collection>Water Resources Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Environmental pollution (1987)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tack, F.M.G.</au><au>Singh, S.P.</au><au>Verloo, M.G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Leaching behaviour of Cd, Cu, Pb and Zn in surface soils derived from dredged sediments</atitle><jtitle>Environmental pollution (1987)</jtitle><addtitle>Environ Pollut</addtitle><date>1999-01-01</date><risdate>1999</risdate><volume>106</volume><issue>1</issue><spage>107</spage><epage>114</epage><pages>107-114</pages><issn>0269-7491</issn><eissn>1873-6424</eissn><coden>ENVPAF</coden><abstract>Leaching of heavy metals from land-disposed dredged sediment spoils is a potential environmental hazard. The leaching behavior of Cd, Cu, Pb and Zn in surface soils sampled from abandoned dredged sediment disposal sites was assessed. Using simple mass-balance calculations, the significance of the leaching test results with respect to metal migration into underlying clean soil was appraised. The potential leachability, defined as the amounts released at constant pH 4, decreased in the order (% of total contents): Zn (58%)≈Cd (49%)>Cu (5%)≈Pb (2%). The kinetics of metal release were determined in a cascade shaking test using de-mineralized water acidified to pH 4 (HNO
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Applied sciences Biological and physicochemical properties of pollutants. Interaction in the soil cadmium copper Dredged materials Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology Heavy metals Leaching lead Mobility Pollution Pollution, environment geology Risk assessment sediments Soil and sediments pollution soil pH sorption zinc |
| title | Leaching behaviour of Cd, Cu, Pb and Zn in surface soils derived from dredged sediments |
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