/cet/ en /cet/news/list/2020/08/04/commercialising-alumina-refining-using-solar-heat Approximately 27% of Australia’s industrial carbon emissions come from alumina refineries, which burn fossil fuels to heat the process. However, concentrated solar thermal energy could provide up to half of the heat required. August 04 2020 Jennifer Thomas /cet/news/list/2020/08/04/commercialising-alumina-refining-using-solar-heat