This stage covers primarily Biological treatment systems which involve removal of biological impurities besides nitrogen and phosphorus removal. The systems can be provided in Aerobic or Anaerobic modes as is described under the Biological treatment section in previous paragraphs. As the Secondary treatment is the key component of any Municipal Wastewater Treatment plant, we provide systems with most optimum life cycle cost covering capital cost, operating cost, maintenance cost and the land requirement.

For more detail on Municipal Wastewater Secondary Treatment click the links below :

• Clarification
• Biological Treatment
• Sludge Handling
• Biogas Handling