Solidification/Stabilization (S/S) is a widely used treatment technology to prevent migration and exposure of contaminants from a contaminated media (i.e. soil, sludge and sediment). Solidification refers to a process that binds a contaminated media with a reagent changing its physical properties. Stabilization refers to the process that involves a chemical reaction that reduces the leachability of a waste.
S/S treatment typically involves mixing organic or inorganic binding agents into the contaminated media or waste. S/S may be done either in-situ, by injecting the binder agent into the contaminated media or ex-situ, by excavating the materials and machine mixing them with the agent. This treatment technology is effective for numerous types of contaminant, both organic and inorganic; and has been primarily used at CERCLA (Superfund) sites and some Brownfield sites.
This course is intended for environmental engineers who wish to expand their knowledge of alternative methods of site remediation. Course material is based on publication EPA-600-R-09-148.
To earn PDH credits, you will be required to pass a multiple-choice quiz consisting of ten (10) questions.
Specific Knowledge or Skill Obtained
This course teaches the following specific knowledge and skills:
- Distinction between solidification and stabilization
- The types of binders used: organic and inorganic
- The types of contaminants treated
- Evaluating S/S effectiveness at bench, pilot, and full-scale
- Cost factors
- Projects conducted at various industrial sites
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