Combining Shift to Biogas Production in a Large WWTP in China with Optimisation of Nitrogen Removal

Despite the huge current challenges in sewage sludge treatment and disposal China, anaerobic stabilisation (AnSS) is still not a state-of-the-art process WWTP country. However, potential benefits of may outweigh drawbacks. One these drawbacks backload from liquor that increases nutrient load biological stage. This work shows via computer modelling only can production costs be significantly reduced, but also that, with sensible automation operational strategies (e.g., bypass primary clarifiers, use centrate dosing strategy, incorporation ammonium nitrogen sensors, etc.), effects counteracted for removal, even considering wastewater China often has an unfavourable C/N ratio removal. The tested would improve overall plant performance terms norm compliance, production, energy use,