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An extensive literature review on existing sewer sediment flushing technologies was conducted. The innovative vacuum flush system recently developed by the U.S. EPA was tested under laboratory conditions. The tests revealed a strong correlation between the strength of the flushing wave and the speed of the vacuum break. The original design did not succeed in providing a fast enough vacuum break despite being tested in different configurations. To improve the vacuum brake time, Rutgers developed two alternative mechanisms. These alternative designs showed promising results in the laboratory but remain to be tested under field conditions.
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Overview of State Energy Reduction Programs and Guidelines for the Wastewater Sector
Approximately 35% of a wastewater treatment facilities’ total cost to provide wastewater service is for energy use. Industry wide, about 0.6% of the electric energy produced in the United States...
Anaerobic Membrane Bioreactors for Sustainable Wastewater Treatment
Sustainable water management is increasingly important for utilities and is driving efforts to reduce energy consumption and residuals production in domestic wastewater (DWW) treatment without...
Barriers to Biogas Use for Renewable Energy
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WERF and NYSERDA, in conjunction with Brown and Caldwell, Black & Veatch, Hemenway Inc., and NEBRA, are leading a research project to determine...
Removal of Endocrine Disrupting Compounds in Water Reclamation Processes
With increasing water demands, the impetus to use treated wastewater to augment nonpotable and potable water supplies is growing. There is also increasing concern that recycled wastewater might...
Membrane Biological Reactors
In recent years the MBR market has experienced unprecedented growth. The best practice in the field is constantly changing and unique quality requirements and management issues are regularly...
Stakeholder Engagement for Inclusive Water Governance
This report assesses the current trends, drivers, obstacles, mechanisms, impacts, costs and benefits of stakeholder engagement in the water sector. It builds on empirical data collected through an...
Indicadores de desempeño para servicios de saneamiento: Manual de Buenas Prácticas
Los manuales de evaluación de desempeño y benchmarking de la IWA se han convertido en una referencia a nivel mundial desde la publicación del primero de ellos en el año 2000. Su éxito se debe a...
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...