Superfund TIO videos. Set C. Treatment technologies: Solidification/stabilization, soil vapor extraction, aqueous waste treatment. Part 13. Audio-Visual

Technical Report · Mon Jan 01 04:00:00 EST 1990

OSTI ID:6535674

The videotape is divided into three sections. Section 1 discusses solidification and stabilization agents, such as various mixtures of cement and pozzolanic materials; solidification and stabilization techniques, such as direct mixing, deep mixing, and area mixing; and the equipment used in these techniques. The factors affecting the solidification/stabilization process and the tests used to assess the effectiveness of solidification and stabilization, such as unconfined compressive strength and electrical conductivity, are outlined. Section 2 summarizes soil vapor extraction and discusses such topics as extraction wells, inlet wells, flow meters and controllers, and impermeable caps. Monitoring requirements, such as exhaust gas monitoring, soil boring, and on-site soil gas analysis, are outlined. Section 3 lists the sources of aqueous waste streams, such as leachage plumes, contaminated runoff, and aqueous wastes generated from sediment or sludge dewatering. Unit treatment processes available for these wastes, such as activated carbon, filtration, ion exchange, neutralization, and chemical oxidation are discussed. Approaches to treating aqueous waste, as well as applications and limitations, design considerations, technology selection, evaluation factors, and cost considerations are provided.

• Research Organization: Environmental Protection Agency, Washington, DC (United States). Technology Innovation Office
• OSTI ID: 6535674
• Report Number(s): PB-93-781714/XAB
• Country of Publication: United States
• Language: English

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