Understanding the Biotransformation Processes in a Sewer System to Achieve Optimal Management

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Sewer corrosion and odour emissions are incurring massive costs to the wastewater management authorities. These problems are primarily caused by the hydrogen sulfide produced by the in-sewer biotransformation processes. Through integrating controlled laboratory experiments, extensive field measurement/experiments and advanced computer modelling, the project aims to generate a fundamental understanding of the in-sewer biotransformation processes, in particular those occurring in sewer biofilms and sediments, and to provide scientific and engineering support to the wastewater authorities to manage their sewers in a more cost-effective way. Emphasis is placed on the integrated sewer and wastewater treatment performance to achieve overall optimal wastewater management.