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Evaluating the impact of activated carbon on the environmental and engineering properties of cement-stabilized contaminated dredged sediment
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Iacobucci, Lauren R.. Evaluating the impact of activated carbon on the environmental and engineering properties of cement-stabilized contaminated dredged sediment. Retrieved from https://doi.org/doi:10.7282/t3-xrh8-h643

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TitleEvaluating the impact of activated carbon on the environmental and engineering properties of cement-stabilized contaminated dredged sediment
NameIacobucci, Lauren R. (author); Miskewitz, Robert (chair); Maher, Ali (internal member); Najm, Husam (internal member); Rutgers University; School of Graduate Studies
Date Created2019
Other Date2019-01 (degree)
SubjectCivil and Environmental Engineering, Sediments (Geology), Carbon, Activated
Extent1 online resource (78 pages : illustrations)
DescriptionThe objective of this study was to evaluate the impact of activated carbon on the engineering properties of Portland cement-stabilized contaminated dredged sediment, while investigating its potential to immobilize contaminants for beneficial use applications. Historically contaminated sediment was sampled from five locations in the United States and Norway: three locations within New York/New Jersey Harbor in the United States and two locations within Stavanger Harbor in Norway. Triplicate laboratory samples were generated for each of the five sediment types at various mixing ratios for stabilization/solidification (S/S). New York/New Jersey Harbor sediments were mixed with 0, 1, and 3% (by wet weight of sediment) powdered activated carbon (PAC) and 8% Portland cement (PC). Stavanger Harbor sediments were mixed with 0, 1, and 3% (by wet weight of sediment) PAC and 0, 4, 8 and 12% PC. After 28 days of curing, the samples were tested for unconfined compressive strength (UCS). The leaching potential of metals, polycyclic aromatic hydrocarbons (PAHs), and tributyltin was evaluated via the Synthetic Precipitation Leaching Procedure (SPLP). The results of the study indicate that though it may marginally decrease the material’s strength gain, activated carbon has the potential to aid in the effectiveness of sediment S/S techniques for beneficial use by reducing contaminant mobility. Statistically significant (α = 0.05) reductions in strength between 13% and 53% were observed for soft, fine-grained sediments for mixtures of 8% PC with 1% and 3% doses of AC in this study. However, the addition of AC was instrumental in reducing the leaching concentrations of contaminants below standard criteria, in many cases to non-detectable values. It was particularly effective in reducing the leaching potential of PAHs and tributyltin in cases where PC alone was not effective.
NoteM.S.
NoteIncludes bibliographical references
Noteby Lauren R. Iacobucci
Genretheses, ETD graduate
Persistent URLhttps://doi.org/doi:10.7282/t3-xrh8-h643
Languageeng
CollectionSchool of Graduate Studies Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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