Mass Balance, Beneficial Use Products, and Cost Comparisons of Four Sediment Treatment Technologies Near Commercialization

The concept of contaminated sediment treatment producing a useful product has emerged in recent years, motivated by the cost of sediment disposal and by recognition of sediment as a resource rather than a waste. Contaminated sediment presents unique challenges for treatment, however, due to the char...

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Bibliographic Details
Main Authors: Estes, Trudy J, Magar, Victor S, Averett, Daniel E, Soler, Nestor D, Myers, Tommy E, Glisch, Eric J, Acevedo, Damarys A
Format: Report
Language:English
Subjects:
CONTAMINATION
COSTS
DISPOSAL
DREDGED MATERIALS
ECONOMICS
LOGISTICS
PROJECT MANAGEMENT
SEDIMENTS
Solid Wastes Pollution and Control
WASTE TREATMENT
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Summary:The concept of contaminated sediment treatment producing a useful product has emerged in recent years, motivated by the cost of sediment disposal and by recognition of sediment as a resource rather than a waste. Contaminated sediment presents unique challenges for treatment, however, due to the character and complexity of the matrix, and the logistics and economics involved in coupling the process with a dredging operation. The objectives of this document are to capture the technical status of several promising treatment technologies of this type, to describe the process efficiency in terms of mass balance, to understand pre-treatment and post-treatment processing requirements, and to estimate full scale implementation costs at a scale compatible with a dredging operation. Overall, the document overlays a consistent and transparent structure on the comparative evaluation with the objective of providing an equivalent basis for comparison between these and other candidate treatment processes, such that it has utility of remediation to project managers and others engaged in technology selection efforts. Relying on publicly available demonstration reports, the following technologies were evaluated in depth: JCI/Upcycle rotary kiln thermal treatment/light-weight aggregate (LWA); Cement-Lock technology/cement; Minergy glass furnace technology/glass aggregate; and BioGenesis(SM) sediment washing process/manufactured soil. The original document contains color images. Supported in part by U.S. Environmental Protection Agency.