Bioleaching - Bioleaching uses bacteria to produce leachate solutions that contain metal compounds., Desalination - The process of removing salt from seawater, Displacement - A chemical reaction in which a more reactive element displaces a less reactive element from its compound., Electrolysis - The splitting up of an ionic compound using electricity. The electric current is passed through a substance causing chemical reactions at the electrodes and the decomposition of the materials, Finite resources - A non-renewable resource that cannot be readily replaced by natural means at a quick enough pace to keep up with consumption., Ground water - Water held underground in the soil and crevices in rock., Life cycle assessment (LCA) - Carried out to assess the environmental impact of products in each of these stages: extracting and processing raw materials, manufacturing and packaging, use and operation during its lifetime, disposal at the end of its useful life., Ore - A rock from which metal can be extracted., Phytomining - Phytomining uses plants to absorb metal compounds from the soil. The plants are harvested and then burned to produce ash that contains the metal compounds., Potable water - Water that is safe to drink., Raw materials - The basic material from which a product is made., Renewable resources - A natural resource which can be used repeatedly and will not run out due to being naturally replenished., Sterilisation - The process used to remove bacteria or living microorganisms from something. Used during the treatment of water., Sustainable development - Development that meets the needs of current generations without compromising the ability of future generations to meet their own needs., Thermosetting polymers - Polymers which do not melt when heated, Thermosoftening polymers - Polymers which melt when heated and can be remoulded into different shapes.,

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