Stegemann, JA; Zhou, Q; (2009) Screening tests for assessing treatability of inorganic industrial wastes by stabilisation/solidification with cement. J HAZARD MATER , 161 (1) 300 - 306. 10.1016/j.jhazmat.2008.03.090.
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Stabilisation/solidification with cementitious or pozzolanic binders (S/S) is an option for reducing leachability of contaminants from residual, predominantly inorganic, industrial wastes and contaminated soils before disposal or reuse. Treatment by S/S is complicated by the fact that the presence of impurities, such as the contaminants and bulk matrix components present in industrial wastes, can have deleterious effects on cements. Therefore. careful laboratory development and testing of S/S formulations are required prior to full-scale application, to avoid technology failures, including problems with handling and contaminant retention. An understanding of cement chemistry and contaminant immobilisation mechanisms has been used to propose a series of test methods and performance thresholds for use in efficient evaluation of the treatability of industrial wastes by S/S, and optimising S/S formulations: measurement of stabilised/solidified product workability, bleeding and setting time (for flowable mixtures) or Proctor compaction (for compactable mixtures), together with unconfined compressive strength, leachability in a batch extraction with distilled water, and hydraulic conductivity. (C) 2008 Elsevier B.V. All rights reserved.
|Title:||Screening tests for assessing treatability of inorganic industrial wastes by stabilisation/solidification with cement|
|Keywords:||Industrial waste treatment, Contaminated soil treatment, Stabilisation/solidification with cement, Treatability testing, Process optimisation|
|UCL classification:||UCL > School of BEAMS > Faculty of Engineering Science > Civil, Environmental and Geomatic Engineering|
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