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Ecotoxicology of Highly Treated Mine Waters: Lessons from an Australian Mine

Harford, Andrew J., Hogan, Alicia C., Jones, David R. and van Dam, Rik A. (2015). Ecotoxicology of Highly Treated Mine Waters: Lessons from an Australian Mine. Mine Water and the Environment,34(1):75-86.

Document type: Journal Article
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IRMA ID 84376995xPUB323
Title Ecotoxicology of Highly Treated Mine Waters: Lessons from an Australian Mine
Author Harford, Andrew J.
Hogan, Alicia C.
Jones, David R.
van Dam, Rik A.
Journal Name Mine Water and the Environment
Publication Date 2015
Volume Number 34
Issue Number 1
ISSN 1025-9112   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-84925533271
Start Page 75
End Page 86
Total Pages 12
Place of Publication Germany
Publisher Springer
HERDC Category C1 - Journal Article (DIISR)
Abstract Mining operations commonly treat mine water prior to discharging it to the environment. Results of biological toxicity tests and Toxicity Identification Evaluations have shown that environmental risks can still exist for these highly treated waters. We present examples for mine waters that were treated using high density sludge–microfiltration–reverse osmosis and brine concentration processes. While such treatment substantially reduces the primary toxicity of the water, three key factors that could affect environmental consequences may arise or persist: (1) residual contaminants may still be at toxic concentrations, (2) the bioavailability of residual contaminants may increase, and (3) the treated water may be nutrient or major ion deficient. Appropriate strategies for the management of these treated waters should consider that toxicity or other water quality risks may still exist and that these will differ from those of the untreated water.
Keywords Biological toxicity tests
Environmental impacts
Identification Evaluation
Water treatment
Water management
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Created: Tue, 26 Jul 2016, 12:58:23 CST