Treatment of Sulphate Rich Effluents with the Combined Electrolytic/Biological Process
Laboratory work on producing hydrogen by electrolysis as the energy source for sulphate reducing bacteria, aimed at cutting the running cost of treating sulphate rich mine water.
by JP Maree, JJ Smit & BJ Bladergroen | April 2003
Hydrogen for biological sulphate removal can be generated on site by electrolysis more cheaply than it can be bought. Stainless steel electrodes in acid mine drainage gave hydrogen at about a third of the bought in price while oxidising ferrous iron to ferric, which helps downstream treatment. Iron and zinc electrodes dissolved too quickly to be viable.
R1500,00
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BCI Chemical Research & Analysis – Potassium & Sodium
2011
Chemical market survey commissioned to price the by products of brine treatment, covering South African and global price levels for five salts and the sector outlook at the time.
What this report foundMarket prices are set out for sodium sulphate, sodium chloride, sodium nitrate, potassium nitrate and potassium chloride, in South Africa and abroad, as at...
R1500,00
Market prices are set out for sodium sulphate, sodium chloride, sodium nitrate, potassium nitrate and potassium chloride, in South Africa and abroad, as at early 2011, with Chinese supplier quotes alongside United States averages. The work was done to test whether salts recovered from mine water brine could be sold at a worthwhile price.