Comments on: "The effect of substituent groups on the reductive degradation of azo dyes by zerovalent iron" by M. Hou, et al. [J. Hazard. Mater. 145 (2007) 305]
Journal: Journal of hazardous materials; 1483; 2007; p. 773 - 774
Noubactep, Chicgoua, 2007: Comments on: "The effect of substituent groups on the reductive degradation of azo dyes by zerovalent iron" by M. Hou, et al. [J. Hazard. Mater. 145 (2007) 305]. In: Journal of hazardous materials; Vol. 148.2007, No. 3, p. 773-774, 773 - 774, DOI http://hdl.handle.net/11858/00-1735-0000-0001-33E2-1.
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This letter discusses possible improvements in experimental conditions to enable a purposeful discussion on the effect of substituent groups on the reductive degradation of azo dyes by elemental iron (Fe0) in a recent article by Hou and his co-workers. Also recalled is the pH dependence of the iron corrosion mechanism which is usually overlooked in the iron technology literature. Kewyords: Adsorption; Azo dyes; Iron corrosion; Béchamp reduction
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