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yang d c reagents in iron ore processing chapter 19 579

1. Introduction. Chromium is a priority pollutant found at contaminated sites associated with a variety of previous land uses; from its initial mining and processing as a chromite ore (Kimbrough et al., 1999) through to its use in metallurgy, leather tanning, pigment production and wood preservatives (Kamaludeen et al., 2003).Cr is redox sensitive, and under environmental conditions, typically

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