Active capping technology: a new environmental remediation of contaminated sediment

C Zhang, M Zhu, G Zeng, Z Yu, F Cui, Z Yang… - … Science and Pollution …, 2016 - Springer
The management and treatment of contaminated sediment is a worldwide problem and
poses major technical and economic challenges. Nowadays, various attempts have been …

Dredging processes and remedy effectiveness: Relationship to the 4 Rs of environmental dredging

TS Bridges, KE Gustavson, P Schroeder… - Integrated …, 2010 - Wiley Online Library
Timely and effective remediation of contaminated sediments is essential for protecting
human health and the environment and restoring beneficial uses to waterways. A number of …

Exchanges of nitrogen and phosphorus across the sediment-water interface influenced by the external suspended particulate matter and the residual matter after …

C Liu, Y Du, H Yin, C Fan, K Chen, J Zhong, X Gu - Environmental Pollution, 2019 - Elsevier
Dredging is frequently implemented for the reduction of internal nitrogen (N) and
phosphorus (P) loadings and the control of eutrophication. Residuals during dredging …

Inhibition of sediment erosion and phosphorus release by remediation strategy of contaminated sediment backfilling

X Li, L Huang, D Reible, X Zeng, S Liu, J Fu, K Wang… - Water Research, 2023 - Elsevier
The management of sediment-water interfaces, especially bed stability, is essential for
controlling accumulated contaminants in the sediment. In this study, the relationship …

Adsorption and simultaneous dechlorination of PCBs on GAC/Fe/Pd: mechanistic aspects and reactive capping barrier concept

H Choi, S Agarwal, SR Al-Abed - Environmental science & …, 2009 - ACS Publications
There are many concerns and challenges in current remediation strategies for sediments
contaminated with polychlorinated biphenyls (PCBs). Our efforts have been geared toward …

Adsorption of polychlorinated biphenyls to activated carbon: Equilibrium isotherms and a preliminary assessment of the effect of dissolved organic matter and biofilm …

KM McDonough, JL Fairey, GV Lowry - Water Research, 2008 - Elsevier
Sequestration of polychlorinated biphenyls (PCBs) by activated carbon (AC) has been
proposed as a remediation strategy for PCB-contaminated sediments. However, published …

Predicting the performance of activated carbon-, coke-, and soil-amended thin layer sediment caps

P Murphy, A Marquette, D Reible… - Journal of Environmental …, 2006 - ascelibrary.org
In situ capping manages contaminated sediment on-site without creating additional
exposure pathways associated with dredging, eg, sediment resuspension, and potential …

Development and placement of a sorbent-amended thin layer sediment cap in the Anacostia River

KM McDonough, P Murphy, J Olsta, Y Zhu… - Soil and Sediment …, 2007 - Taylor & Francis
Incorporating materials into sediment caps that can sequester contaminants will greatly
improve their ability to isolate contaminants in the underlying sediments from the rest of the …

Analytical solutions for contaminant diffusion in four-layer sediment-cap system for subaqueous in-situ capping

J Qiu, H Pu, X Chen, J Zheng - Geotextiles and Geomembranes, 2021 - Elsevier
This paper presents analytical solutions for predicting one-dimensional contaminant
diffusion in a four-layer sediment-cap system, which is typically encountered in subaqueous …

Predicting contaminant fate and transport in sediment caps: mathematical modelling approaches

J Go, DJ Lampert, JA Stegemann, DD Reible - Applied Geochemistry, 2009 - Elsevier
Sediment capping is a remedial option for managing contaminated sediments that involves
the artificial placement of a layer of material over a contaminated area. Sorbent materials …