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Environmental Earth Sciences

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01.01.2018 | Original Article

Geochemical thermodynamics of cadmium removal from water with limestone

verfasst von: Arden D. Davis, Cathleen J. Webb, Jenifer L. Sorensen, David J. Dixon, Roberta Hudson

Erschienen in: Environmental Earth Sciences | Ausgabe 2/2018

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Abstract

Limestone-based material can reduce concentrations of cadmium below 0.001 mg/L (1 ppb) in water, resulting in > 99% removal efficiency. Thermodynamic constraints appear to be favorable for reactions involving the formation of otavite during cadmium removal. Thermodynamic values for these reactions yield a theoretical removal limit of 0.0015 mg/L or better for cadmium, in reasonable agreement with tests on laboratory and field samples that show cadmium removal at levels less than 0.001 mg/L.

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Titel: Geochemical thermodynamics of cadmium removal from water with limestone
verfasst von: Arden D. Davis
Cathleen J. Webb
Jenifer L. Sorensen
David J. Dixon
Roberta Hudson
Publikationsdatum: 01.01.2018
Verlag: Springer Berlin Heidelberg
Erschienen in: Environmental Earth Sciences / Ausgabe 2/2018
Print ISSN: 1866-6280
Elektronische ISSN: 1866-6299
DOI: https://doi.org/10.1007/s12665-017-7205-5

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