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- Title
Fresh Water Leaching of Alkaline Bauxite Residue after Sea Water Neutralization.
- Authors
Menzies, Neal W.; Fulton, Ian M.; Kopittke, Rosemary A.; Kopittke, Peter M.
- Abstract
The article presents a study which analyzes the effect of fresh water leaching on the chemical properties of sea water-neutralized residue sand (RS) and evaluates the quality of the leaching products. It states that RS is a residue fraction from the alkaline waste, bauxite refining residue, which is produced from extracting alumina. It mentions the use of regression analysis to show the relationship among the leachate pH (potential of hydrogen) and sodium (Na) concentration, and the level of leaching. Results show that fresh water leaching changes the entrained cations (EC) and lessen the EC soil solution, however, it increases leachate pH.
- Subjects
INDUSTRIAL waste leaching; NEUTRALIZATION (Chemistry); ALUMINUM mines; MINES &; mineral resources &; the environment; FRESH water; SEAWATER; REGRESSION analysis; SODIUM; CATIONS; SOIL solutions; LEACHATE
- Publication
Journal of Environmental Quality, 2009, Vol 38, Issue 5, p2050
- ISSN
0047-2425
- Publication type
Article
- DOI
10.2134/jeq2008.0511