Tag: sulphate

Questions We Get About Selen-IX™

September 25, 2023

We have been fielding many questions about our Selen-IX™ process for selenium removal, as it is the only commercially available non-biological technology in use by mining and power generation at present to remove the selenate form of selenium to less than 0.5 ppb, without generating liquid brine and fixing the selenium into a stable solid […]

Sulphate in Mining Wastewater – A Question of Mass

June 4, 2019

Sulphate is a common by-product found in mine impacted water that is increasingly on the regulatory radar as a contaminant of concern. Unlike metal contaminants such as copper that are often present in mining wastewater at low levels from 0.1 to 10 mg/L, sulphate concentrations tend to be much higher and can range upwards of […]