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This report brings together a body of information on the characteristics of the wastewater pipe network and the most common defects encountered. The technologies and methods in use by utilities to investigate these defects for the purposes of condition assessment are identified along with what are the perceived unmet needs.
A comprehensive review of the current state of the art of investigation technology is provided for both gravity and force mains. It also reviews data management and interrogation. A structured approach to investigation of gravity and pressure pipe is suggested.
Innovative investigation technologies and methods for gravity sewers are reviewed under five sections:
Based on the identified unmet needs of the industry seven technologies for gravity pipe investigations and two for force main investigation, are identified as demonstrating potential for application to the wastewater industry.
Using a structured approach, each of the chosen technologies are reported in detail with information on details of the technology, its performance including field requirements, role of the operator, and costs. Where possible field monitoring was undertaken this is reported.
Automatic Vacuum Flushing Technology for Combined Sewer Solids
Available as eBook only
An extensive literature review on existing sewer sediment flushing technologies was conducted. The innovative vacuum flush system recently developed...
Resource Recovery from Wastewater: A Research Agenda for Australia
With increasing energy costs, more stringent environmental discharge limits and greater implementation of water sensitive urban design the economic viability of recovering water, energy and...
Energy Efficiency in Wastewater Treatment in North America: A Compendium of Best Practices and Case Studies of Novel Approaches
After manpower, energy is the highest operating cost item for most the wastewater utilities. Over the last decade, the implementation of new technologies to meet new effluent limits and water...
Application of Membrane Bioreactor Processes for Achieving Low Effluent Nutrient Concentrations
The overall aim of this research was to evaluate membrane bioreactor (MBR) process designs to meet low effluent nitrogen and/or phosphorus concentrations from municipal wastewater treatment...
Microbial Community Analysis
Microbial Community Analysis surveys the vast amount of theoretical and practical knowledge on the design of biological treatment systems. It describes the different types of biological wastewater...
Marine Wastewater Outfalls and Treatment Systems
Wastewater disposal by marine outfalls is proven and effective and is a reliable and cost effective solution with minimal environmental impacts. The design and siting of submarine outfalls is a...
Guidance Document on Anaerobic Digester Foaming Prevention and Control Methods
The development of this WERF anaerobic digester (AD) foaming guidance document is based on the need for a specific detailed methodology that water reclamation and recovery facilities (WRRF)...
Microbial Waterborne Pathogens
In the developed world, the connection between water, hygiene and health is taken for granted. However, for the less fortunate majority, access to potable water is non-existent and remains a daily...