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| Content Provider | Springer Nature Link |
|---|---|
| Author | Di Palma, Luca Petrucci, Elisabetta Pietrangeli, Biancamaria |
| Copyright Year | 2014 |
| Abstract | The results of laboratory scale experimental tests of contaminant extraction from marine sediment slurries are presented and discussed. The objective of this study was to compare the effectiveness of EDTA and rhamnolipid in copper removal from an artificially contaminated sediment. The comparison was made in terms of metal extraction yield, and in the evaluation of its mobilization towards the more exchangeable fractions in the sediment. Results show that, under acidic conditions established during washing, EDTA ensured higher extractions efficiencies of Cu (up to 95 %) than rhamnolipid, although there was less mobilization into bioavailable forms with the use of rhamnolipid. In addition, in the view of a biological treatment of the spent solution, the use of rhamnolipid resulted in a lower decrease of the specific oxygen uptake rate with respect to EDTA. In fact, the low surfactants concentration required, partially compensated the toxic effect of Cu towards biomass. |
| Starting Page | 340 |
| Ending Page | 344 |
| Page Count | 5 |
| File Format | |
| ISSN | 00074861 |
| Journal | Bulletin of Environmental Contamination and Toxicology |
| Volume Number | 94 |
| Issue Number | 3 |
| e-ISSN | 14320800 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2014-12-05 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Sediment remediation Washing Biosurfactants Extractions Metal complexes Toxicity Pollution Environmental Health Ecotoxicology Soil Science & Conservation Environmental Chemistry Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Pollution Medicine Toxicology |
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