Cadmium Removal from Marine Sediment by Rhamnolipid Biosurfactant

Mei Liu; Qing Guo Chen; Li Shao; Jing Ya Sun; Zhen Ying Rong

doi:10.4028/www.scientific.net/AMM.556-562.641

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 556-562Cadmium Removal from Marine Sediment by...

Cadmium Removal from Marine Sediment by Rhamnolipid Biosurfactant

Abstract:

The cadmium removed from sediment by rhamnolipid biosurfactant was explored in laboratory scale. The results suggest that the biosurfactant can remove cadmium from the sediment efficiently, 40% more than SDS. 200 mg/L rhamnolipid biosurfactant can get 84.02% cadmium removal efficiency from the sediment which contained 0.42 mg/g cadmium. pH affect cadmium removal by rhamnolipid, the best pH was 10. Leaching could also affect cadmium removal, there was a remarkable increasing of cadmium removal efficiency after the second washing, and after 48 h leaching cadmium removal and cadmium absorption got the balance.

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Periodical:

Applied Mechanics and Materials (Volumes 556-562)

Pages:

641-644

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.556-562.641

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Online since:

May 2014

Authors:

Mei Liu, Qing Guo Chen*, Li Shao, Jing Ya Sun, Zhen Ying Rong

Keywords:

Biosurfactant, Cadmium, Removal, Rhamnolipid, Sediment

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* - Corresponding Author

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