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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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Decision Support Systems for Wastewater Facilities Management
Municipalities not only have a need for purely transactional systems (accounting, personnel, billing, etc.), but they also need to integrate the sophisticated analytical tools that are used to...
Assessing the Impacts of Pulp Loading from Non-Dispersible Materials on Downstream Sewer Systems
This study subjected wipes from five different manufacturers to a variety of tests to determine if changes to their physical characteristics occur when introduced into a sewer system and what...
Develop and Demonstrate Fundamental Basis for Selectors to Improve Activated Sludge Settleability: Phase 2 Lab Investigation
The primary objective of this research was to compare dilute sludge volume index (DSVI) control in equally-sized single- and multi-stage anoxic and anaerobic selectors relative to a control...
Database of Permitting Practices for Seawater Concentrate Disposal
Permitting the disposal of concentrate and other waste streams is often one of the most challenging tasks associated with the development and implementation of desalination projects. This study...
Metals Removal Technologies for Urban Stormwater
This study, on innovative methods for the capture of metals from stormwater, mainly focused on two major areas of investigation: media filters and swales.
Twelve media were chosen for...
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...
Recent Developments in Forward Osmosis Processes
Forward osmosis (FO) is an emerging membrane technology with a range of possible water treatment applications (desalination and wastewater treatment and recovery).
Recent Developments in...
Losses in Water Distribution Networks
This is a best practice manual for addressing water losses in water distribution networks worldwide. Systems and methodologies are presented for improving water loss and leakage management in a...