WATER MANAGEMENT
Osmoflo is now using the water filtration media technology known as DMI-65 from Quantum Filtration Medium, a catalytic filter media that is designed to remove high concentrations of manganese from the feed supply when operated in the presence of chlorine. Experience to date has found that DMI- 65 is the best available catalytic material for removing high concentrations of manganese and iron to pre-treat and protect UF and RO technology.
The DMI-65 consists of grains of sand that have had proprietary products infused into them. This means that the active ingredients do not form a coating but become homogenous within the grains of sand. The DMI-65 acts as a catalyst in the presence of an oxidation environment created by the continuous injection of chlorine. The chlorine injection must be maintained to yield a free chlorine residual of 0.1 to 0.3 ppm at the filter effluent. The oxidation reaction causes dissolved manganese and iron to form a solid, insoluble precipitate that is captured by the DMI- 65 filter media. The captured iron is released during the filter backwash cycle.
DMI-65 has been tested in applications for reducing manganese levels in excess of 3 ppm down to less than 0.01 ppm. Based on Australian experience in the mining and municipal drinking water industries, DMI-65 is expected to have a lifespan of up to 10 years of continuous use.
Clean-up for mine reopening
In the UK, Siltbuster Process Solutions( SPS) is taking part in trials to show the treatability of the mine water from the closed tin mine at South Crofty in Cornwall. Once completed, the results will be used to show the viability of dewatering and reopening the mine. SPS has been asked to treat the mine water( which includes dissolved
SPS used its experience in mine water treatment to fast track the construction of a plant to remove dissolved heavy metals from up to 100 m 3 / h of water being pumped out of the Bana Maria mine near Roznava, eastern Slovakia
contaminates and metals in solution, principally iron) by reducing the metal content to allow safe
First International Congress on Water in Industrial Processes
JUNE 7 ~ 9
hotel grand hyatt santiago, chile
EARLY BIRD REGISTRATION
UNTIL APRIL 7 executive committee areas of interest
Water supply, transport and storage • Desalination • Water analysis and control • Efficient water use • Water conditioning and treatment • Effluent characterization • Membrane treatments • Physical and chemical effluent treatments • Biological effluent treatments • Zero liquid discharge systems • Water reuse
REGISTER IN GECAMIN. COM / WATERININDUSTRY co-organizer fernando concha Director, Center for Water Resources for the Agriculture and Mining Industry, Chile
co-organizer neil mcintyre Program Leader, Centre for Water in the Minerals Industry, smi, Australia co-organizer virginia ciminelli Director, National Institute of Science and Technology on Mineral Resources, Water and Biodiversity, Brazil Technical Coordinator
co-organizer rolando chamy Director, Curauma Biotechnology Nucleus, Pontificia Universidad Católica de Valparaíso, Chile organizers institutional partners
MINNOVEX
P r o v e e d o r e s d e C l a s e M u n d i a l
40 International Mining | MARCH 2017