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Breaking critical barriers in soil formation of bauxite residues (2020–2024)

Abstract:
Conventional methods of bauxite residue rehabilitation require expensive and unsustainable covering topsoil. Building on recent breakthroughs in eco-engineering tailings into soil, the project aims to develop a field-based technology using marine microbes and halophytic plants to accelerate in-situ soil formation from bauxite residues (incl seawater neutralised bauxite residues) under field conditions. The technology will be underpinned by understanding the roles of marine microbe consortia and eco-engineering inputs in accelerating key mineralogical, geochemical, physical and biological changes in bauxite residues. This technology is expected to be transferable and adaptable across other alumina refineries in Australia.
Grant type:
ARC Linkage Projects
Researchers:

  • Professor Longbin Huang

    Program Leader/Prof Res Fellow
    Centre for Mined Land Rehabilitation
    Sustainable Minerals Institute
    Program Leader/Prof Res Fellow
    Centre for Mined Land Rehabilitation
    Sustainable Minerals Institute

  • Professor Phil Hugenholtz

    Professor
    School of Chemistry and Molecular Biosciences
    Faculty of Science

  • Adjunct Professor Ram Dalal AM

    Adjunct Professor
    School of Agriculture and Food Sustainability
    Faculty of Science
    Adjunct Professor
    School of Agriculture and Food Sustainability
    Faculty of Science
Funded by:
Australian Research Council