Journal
ENVIRONMENTAL POLLUTION
Volume 289, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2021.117853
Keywords
Sediment resuspension; Anti-siltation; Fluid mud; Aerobic biodegradation; Sediment contaminants; Active nautical depth
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Funding
- Liver-pool John Moores University
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This paper reviews the potential coupling of sediment management and (bio)remediation in the maritime environment and ports, highlighting a sustainable alternative method to address siltation. It discusses the positive remediation effect of fluidizing sediment in situ and points out the lack of full-scale field applications for potential remediation techniques. Additionally, an overview of port contamination, remediation, and recent research on aerobic (bio)degradation of port contaminants is provided.
This paper reviews two important sources of innovation linked to the maritime environment and more importantly to ports: the potential coupling of sediment management and (bio)remediation. The detrimental effects of dredging are briefly considered, but the focus here is on a sustainable alternative method of managing the problem of siltation. This technique consists of fluidizing the sediment in situ, lowering the shear strength to maintain a navigable under-keel draught. Preliminary investigations show that through this mixing, aeration occurs, which results in a positive remediation effect as well. An overview of port contamination, remediation, and the recent research on aerobic (bio)degradation of port contaminants is made in order to show the potential for such innovative sediment management to reduce dredging need and remediate contaminated mud in ports. This review also highlights the lack of full-scale field applications for such potential remediation techniques, that remain largely confined to the laboratory scale.
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