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Stabilization/Solidification - 4.0 Technology Selection
- Stabilization/Solidification
- 1.0 Overview of S/S Technology
- 2.0 Theoretical Background, Advantages and Disadvantages
- 3.0 Field Setup
- 4.0 Technology Selection
- 5.0 Important Considerations
- 6.0 Treatment Costs
- 7.0 Quality Assurance/Quality Control (QA/QC)
- 8.0 Case Studies
- 8.1 Case Study #1
- 8.2 Case Study #2
- 8.3 Case Study #3
- 9.0 Recommended Reading
- References
- All Pages
4.0 S/S Technology Selection
The selection of S/S technologies is based on several factors (Wiles, 1987):
- Waste characteristics (both chemical and physical)
Waste characteristics are the most important factor in determining S/S treatment technology. See section 5 for further discussion.
- Process type and processing requirements
The types of S/S activity (in-drum, in-plant, etc.) and processing requirements (waste modification, mixing models, waste transportation/storage) should be considered during selecting a S/S technology. For example, in-drum or in-plant processes are more easily controlled than in situ process. (Wiles, 1987)
- S/S product management objective
The S/S product can be disposed in a landfill, stored, or transported elsewhere. According to regulatory requirements, the S/S products for landfill disposal and for delisting may not require the same degree of treatment. Delisting requires that the waste materials are no longer hazardous, while disposing in a RCRA hazardous waste landfill does not. (Wiles, 1987)
- Regulatory requirements
There are numerous regulations relevant to S/S processes, such as the EP, MEP, TCLP, and chemical reaction requirement for waste treatments, but these are not performance criteria which S/S products must meet. Generally, a designer will produce an S/S waste product meeting minimum requirements, i.e. removing free liquids and/or produce a solid which can be transported or stored. (Wiles, 1987)
- Economics.
The cost of different S/S methods will be discussed in following parts in detail.
Prepared by:
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Lizzie Grobbel
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Zhijie Wang
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