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Veolia Amdro - Treatment of Acidic Wastewater Technology
Amdro™ is a patented technology for desalination of acidic wastewater with high concentrations of metals and calcium salts. Amdro™ is a patented technology for desalination of acidic wastewater with high concentrations of metals and calcium salts.The technology combines our Actiflo® high-rate clarification process with filtration, reverse osmosis and ion exchange to generate high-quality effluent with minimum pretreatment requirements. The processes ahead of the RO reduce the particulates and retain scale-forming contaminants to prevent the scaling of membranes upon concentration.The RO is operated in double-pass mode to treat the wastewater first under acidic conditions, which effectively controls scaling, and then at a neutral pH condition, to further remove dissolved inorganic compounds.
For applications requiring high-purity water, the permeate is further polished with mixed bed ion exchange demineralization. The result is high-purity water with a low dissolved solids concentration.
Amdro™ Technology is particularly applicable for:
- Phosphate Industry - Phosphoric Acid Concentration and
- Phosphate Pond Water Treatment
- Coal Mining Industry - Acid Mine Drainage Treatment
- Steel Industry - Hydrochloric Acid Concentration
- General Industry - Acidic Industrial Wastewater Desalination
When compared to conventional treatment, the process significantly reduces the cost for water treatment chemicals and sludge disposal. AMDRO™ Technology has low capital cost and incorporates effective scaling control to minimize the frequency of RO membrane cleaning.
- Low Pretreatment Costs
- High Salt Rejection
- Optimized Scaling Control
- Low O&M requirements