Sulfur polymer cement as a low-level waste glass matrix encapsulant
- Pacific Northwest Lab., Richland, WA (United States); and others
Sulfur polymer cement (SPC) is being considered as a matrix encapsulant for the Hanford low-level (activity) waste glass. SPC is an elemental sulfur polymer-stabilized thermoplastic that is fluid at 140{degrees}C. The candidate process would encapsulate the glass by filling the waste container with glass (e.g., as cullet) and backfiring with SPC to form a composite. As the primary barrier to groundwater, SPC plays a key role in the waste form`s long-term performance assessment. Work to date has targeted both the performance characteristics of the SPC alone and its potential influence on the glass. Bulk properties of the glass-SPC composite will be discussed along with glass-SPC interface characteristics. Properties that will be addressed include SPC properties, mechanical strength of the composite and the glass-SPC interface, glass-SPC interface chemistry, glass-SPC aqueous durability, and radiation effects.
- OSTI ID:
- 210165
- Report Number(s):
- CONF-9509139-; TRN: 95:008324-0005
- Resource Relation:
- Conference: 7. ACS special symposium: emerging technologies in hazardous waste management, Atlanta, GA (United States), 17-20 Sep 1995; Other Information: PBD: 1995; Related Information: Is Part Of Superfund Reform Act of 1994. Hearings before the Subcommittee on Superfund, Recycling, and Solid Waste Management of the Committee on Environment and Public Works, United States Senate, One Hundred Third Congress, Second Session, February 10; March 2; and April 12, 1994; PB: 1352 p.
- Country of Publication:
- United States
- Language:
- English
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