The extraction of alumina from bauxite is significantly impacted by the silica content of the ore — specifically the presence ...

For every tonne of useful alumina produced from raw bauxite ore, refineries generate up to two tonnes of highly alkaline and saline ‘red mud’ waste, which is hostile to almost anything that ...

Among them is the PT Well Harvest Winning (WHW) alumina refinery, a joint venture involving ... Since June 2023, the government has banned bauxite ore exports to spur domestic downstream ...