waste management

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    Alumtek Minerals Delivers Breakthrough in SCM Production from Red Mud

    Alumtek Minerals (AM), based in Australia, recently completed research and development on bauxite residue waste, commonly known as red mud, which has resulted in the development of a technology to extract critical raw materials. Following a collaboration with Cement Australia, AM developed a supplementary cementitious material (SCM) that meets the stringent Australian Standard AS3582.4 and has […]

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    The Legacy of Spent Potliner – Cost or Opportunity?

    By Phil Black. The aluminum industry has an opportunity now to leave a lasting legacy of Spent Potliner (SPL) management that boosts the industry’s ongoing reputation for sustainability. Expensive Legacy Primary aluminum smelters have spent many millions on improved pot linings, squeezing the last available drop from the energy efficiencies in cathodes, ramming materials, and […]