Environmental Engineering Reference
In-Depth Information
20
Phytostabilization for Sustainable End-Use
of Arsenic-Rich Mine Tailings in the
Victorian G
oldields, Australia
AugustineDoronila,RonT.Watkins,andAlanJ.M.Baker
CONTENTS
Introduction.......................................................................................................... 431
Background...................................................................................................... 432
Tailings.............................................................................................................. 433
Tailings.Management..................................................................................... 434
Experimental.Facilities................................................................................... 434
Methods................................................................................................................. 435
Rehabilitation.Strategies................................................................................ 435
Projected.End-Use........................................................................................... 436
Cover.Materials............................................................................................... 436
Plant.Species.................................................................................................... 437
Experimentation.............................................................................................. 437
Results................................................................................................................... 438
Establishment.of.Perennial.Pastures............................................................ 438
Native.Grasses............................................................................................ 438
Exotic.Species.............................................................................................. 439
Establishment.of.Eucalypts........................................................................... 440
Geochemical.Development.of.Substrate..................................................... 441
Discussion............................................................................................................. 443
Acknowledgments............................................................................................... 448
References............................................................................................................. 449
Introduction
Anthropogenically. generated. arsenic. (As). contamination. is. an. ever-.
increasing.problem.worldwide.at.many.mine.tailings.storage.facilities.(TSFs)..
Phytostabilization.provides.an.attractive.technology.for.long-term.remedia-
tion.of.areas.for.many.mine.TSFs.which.contain.large.amounts.of.arsenic..
431
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