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Long-term performance of aged waste forms treated by stabilization/solidification

Long-term performance of aged waste forms treated by stabilization/solidification

Antemir, Aurora, Hills, Colin D., Carey, Paula J., Gardner, Kevin H., Bates, Edward R. and Crumbie, Alison K. (2010) Long-term performance of aged waste forms treated by stabilization/solidification. Journal of Hazardous Materials, 181 (1-3). pp. 65-73. ISSN 0304-3894 (doi:10.1016/j.jhazmat.2010.04.082)

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Abstract

Current regulatory testing of stabilized/solidified (S/S) soils is based on short-term performance tests and is insufficient to determine their long-term stability or expected service life. In view of this, and the significant lack of data on long-term field performance in the literature, S/S material has been extracted from full-scale remedial operations and examined using a variety of analytical techniques to evaluate field performance. The results, including those from X-ray analytical techniques, optical and electron microscopy and leaching tests are presented and discussed. The microstructure of retrieved samples was found to be analogous to other cement-based materials, but varied according to the soil type, the contaminants present, the treatment applied and the field exposure conditions. Summary of the key microstructural features in the USA and UK is presented in this work. The work has shown that during 16 years of service the S/S wastes investigated performed satisfactorily.

Item Type: Article
Additional Information: [1] First published online: 28 April 2010. [2] Published in print: 15 September 2010.
Uncontrolled Keywords: stabilization/solidification, microstructure, mineralogy, carbonation, ettringite, leaching
Subjects: T Technology > T Technology (General)
T Technology > TD Environmental technology. Sanitary engineering
Faculty / Department / Research Group: Faculty of Engineering & Science > Department of Pharmaceutical, Chemical & Environmental Sciences
Related URLs:
Last Modified: 17 Oct 2016 09:10
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/3370

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