Phytostabilization of Mine Tailings in Arid and Semiarid Environments
Author Information
Author(s): Mendez Monica O., Maier Raina M.
Primary Institution: University of Arizona
Hypothesis
Phytostabilization is a feasible alternative to costly remediation practices for mine tailings in arid and semiarid environments.
Conclusion
Phytostabilization of mine tailings is a promising remedial technology but requires further research to identify factors affecting its long-term success.
Supporting Evidence
- Phytostabilization can reduce the cost of remediation from approximately US$1.50–450 per m3 to an estimated US$0.40–26 per m3.
- Plants suitable for phytostabilization must be native and tolerant to drought, salt, and metals.
- Phytostabilization helps to reduce erosion processes and enhance soil formation properties.
Takeaway
This study looks at using plants to help clean up toxic waste from mines in dry areas, which can help make the land safe again.
Methodology
The authors reviewed literature on mine closures, revegetation of mine tailings, and plant and microbial ecology.
Limitations
Existing studies on phytostabilization are limited and often do not document plant metal accumulation or long-term success.
Digital Object Identifier (DOI)
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