The Biological Treatment of Brines
COALTECH Project Number: E2024-2
By Coaltech | June 2026
R1500,00
Description
The Biological Treatment of Brines assessed the use of Mintek’s cloSURE® biological sulphate reduction process to treat hypersaline reverse osmosis brine generated by the eMalahleni Water Reclamation Plant. The study demonstrated, at bench scale, that biological sulphate reduction can be sustained under high-salinity brine conditions, offering a potential alternative to evaporation ponds for managing coal mine brine waste. It provides proof of concept and design parameters for future pilot-scale testing, while also highlighting the need for further work on hydrogen sulphide management, calcium removal and potential value recovery from treated brines.
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Pilot tests of a waterless de-stoning unit on raw coals from four South African collieries at a Pretoria research site, for plant metallurgists weighing dry beneficiation.
What this report foundA compound dry cleaning machine de-stoned low grade raw coal without using water, but separation efficiency was low, with high relative density cut points and...
R1500,00
200931 pages
A compound dry cleaning machine de-stoned low grade raw coal without using water, but separation efficiency was low, with high relative density cut points and EPM values in the order of 0.3. Misplaced material was heavy and coal below 6 mm reported to product almost indiscriminately. The unit is cheap to buy and run, needs only crushing to 50 mm, and gives high throughput.
R1500,00