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 ...
In his doctoral thesis, van Wyk investigated how the metals can be extracted from the waste using acids produced by bacteria. The wastes he examined were mainly bauxite residues, a mineral that ...
Government yesterday announced that bauxite mining here is making a comeback as last year saw a groundbreaking increase in output of some 225 per cent as compared to 2023, with 1.7 million tonnes ...
Anon. (1994) Design and evaluation of tailings dams. U.S. Environmental Protection Agency (USEPA), Office of solid waste. EPA-530-R-94-038. Anon. (1995) Environmental aspect of bauxite, alumina and ...
Rising demand for clean tech minerals drives a re-evaluation of recovering low-value mine waste, writes Theresa Smith, ESI ...
Bauxite mining rights in two blocks in Kasaragod will be auctioned off shortly. The State government is in the process of finalising the auction process of bauxite in Narala block in an area of 1. ...
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