Figure 2. Diagram of the water treatment system
After the coal mine’s wastewater is treated with UF and RO, the recycled water is transported to a nearby power station, where it is further demineralized with an ion exchange resin technology, and used as boiler make-up water in the cooling system.
References
- Union of Concerned Scientists. "How it Works: Water for Coal." http://www.ucsusa.org/clean_energy/our-energy-choices/energy-and-water-use/water-energy-electricity-coal.html
Dylan Hunter is an account manager at Dow Industrial Solutions (South Africa), and can be reached at [email protected].
Etienne Du Toit is a key account manager at Dow Water & Process Solutions (South Africa), and can be reached at [email protected].
Dow Water & Process Solutions manufactures sustainable separation and purification technology including ion exchange resins, RO membranes, UF membranes, fine particle filters and electrodeionization products for use in industrial and municipal water, industrial processes, pharmaceuticals, power, oil and gas, residential water and waste, and water reuse. For more information, visit dowwaterandprocess.com.