Dynatec successfully uses UF, MBR, and RO for landfill applications.
Dynatec can provide the MBR option, which is an aerated biological mixed liquor process operating at very high solids concentrations.
Some of the advantages are:
•Very long sludge age produces a well acclimated biomass, which because of the high concentration (typically 12,000 to 20,000 mg/l), provides very high rates of reaction.
•Excellent nitrification and de-nitrification.
•Smaller footprint then conventional aerated systems.
•Very high quality effluent due to the use of membranes for final clarification.
•Lower sludge production than conventional systems.
Treatment can vary, depending on the discharge requirements, and the contaminants present
Landfill leachate is characterized by:
High Total Dissolved Solids (TDS)
Heavy metals
High BOD
Color
High COD
High ammonia
Alternative landfill leachate treatment options:
Chemical precipitation of metals before MBR treatment
RO after MBR treatment removes organic and inorganic contaminants, and color
UF followed by RO
The MBR process provides the highest possible levels of organic removal with essentially zero suspended solids in the effluent. This is the ideal feed system for RO treatment.
Considerations for this technology include:
Membrane treatment offers reliable, consistent landfill leachate
Systems are highly cost effective, and require low levels of operator interface
Contact us at: [email protected] or www.dynatecsystems.com
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