Case Study: Stirling Landfill Site – Polmaise Project ID: Company: Stirling Landfill Site – Polmaise Location: Scotland Year: 2001 Description: Supply of full biological wastewater treatment plant for landfill leachate Goal: Reduce Ammonia, COD, BOD and TSS Capacity: 500 m 3 /day Water Source: Landfill Leachate Parameter Existing Values Required Value Turbidity (NTU) 150 < 5 Ammonia (PPM) 1000 < 5 COD (PPM) 5000 < 200 BOD (PPM) 2000 < 10 TSS (PPM) 1000 < 10 TOC (PPM) 1000 < 10 Odor Issues Minimize The Problems: • The landfill leachate contained high levels of organic materials and ammonia. • The effluent contaminated the nearby water sources. • Anaerobic conditions created odor nuisance to the neighboring communities. T echnical Solution: The following processes were carried out:

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