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Investigation of 4-year-old stabilised/solidified and accelerated carbonated contaminated soil

Investigation of 4-year-old stabilised/solidified and accelerated carbonated contaminated soil

Antemir, A., Hills, C. D., Carey, P. J., Magnié, M.-C. and Polettini, A. (2010) Investigation of 4-year-old stabilised/solidified and accelerated carbonated contaminated soil. Journal of Hazardous Materials, 181 (1-3). pp. 543-555. ISSN 0304-3894 (doi:10.1016/j.jhazmat.2010.05.048)

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Abstract

The investigation of the pilot-scale application of two different stabilisation/solidification (S/S) techniques was carried out at a former fireworks and low explosives manufacturing site in SE England. Cores and granular samples were recovered from uncovered accelerated carbonated (ACT) and cement-treated soils (S/S) after 4 years to evaluate field-performance with time. Samples were prepared for microstructural examination and leaching testing. The results indicated that the cement-treated soil was progressively carbonated over time, whereas the mineralogy of the carbonated soil remained essentially unchanged. Distinct microstructures were developed in the two soils. Although Pb, Zn and Cu leached less from the carbonated soil, these metals were adequately immobilised by both treatments. Geochemical modeling of pH-dependent leaching data suggested that the retention of trace metals resulted from different immobilisation mechanisms operating in the two soils examined.

Item Type: Article
Additional Information: [1] First available online: 16 May 2010. [2] First published in print: 15 September 2010. [3] Published in Journal of Hazardous Materials (2010), Volume 181, Issues 1–3, pp. 543–555
Uncontrolled Keywords: stabilisation/solidification, accelerated carbonation, contaminated soil, microstructure, mineralogy, metal 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: 07 Dec 2016 15:33
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/3368

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