NF Design and Operation at 98% Recovery – Two Years of Operation and CIP Results
In 2008, the City of Signal Hill developed Well No. 9 to increase reliability and redundancy to their existing water supply. The well had elevated levels of color at 50-60 […]
The Impacts of Potential Controlling Parameters on the Degree of Nitritation in a MABR Treating High Strength Wastewater
This study presents the shortcut nitrification in a membrane aerated bioreactor (MABR) treating high strength nitrogen waste stream. The utilization of MABR has advantages of bidirectional control of oxygen (O2) […]
Seeking a Better UF Procurement Mousetrap: A Case Study of Unique Procurement Approaches for Expansion of an Existing UF WTP
Upgrading a Drinking Water Membrane Plant with Ceramic Membranes, A Case Study
Membrane treatment plants represent efficient and effective means of treating various source waters. Microfiltration (MF) and ultrafiltration (UF) membranes are capable of removing particulate, bacteria and viruses, essential for protecting […]
Ocean Plan Amendment Compliance Carlsbad Desalination Plant Catches the First Wave
The Claude “Bud” Lewis Carlsbad Desalination Plant (CDP), pictured in Figure 1, has been operating for nearly 3 years, producing approximately 50 million gallons per day (MGD) to meet 10 […]
Established Practices, Innovative Design, and New Products: A New Generation of Ultra High Pressure Desalination
In common parlance, reverse osmosis (RO) is often described as removing salt from water. In practice however, these processes squeeze water from a salt solution resulting in concentrate to be […]
Closed Circuit Reverse Osmosis (CCRO) for Treatment of RO Concentrate for Potable Reuse
The Orange County Water District (OCWD) Groundwater Replenishment System (GWRS) is the world’s largest potable reuse plant, treating secondary effluent to produce purified water for groundwater recharge as a drinking […]
Pulse Flow RO for Water Reuse Applications – Design Considerations
Water scarcity and population growth create increasing pressure on natural water sources and require the development of new, sustainable water sources. As technologies gradually improve, reusing effluent from municipal wastewater […]
Cherokee Metro District’s TDS Reduction Facility: First MBR and High Recovery RO Reuse Facility in U.S.
Cherokee Metropolitan District (CMD) outside of Colorado Springs, CO currently operates a 4.8 mgd maximum month flow water reclamation facility (WRF) with sequencing batch reactors (SBRs) and ultraviolet disinfection. The […]
NF Design and Operation at 98% Recovery – Two Years of Operation and CIP Results
In 2008, the City of Signal Hill developed Well No. 9 to increase reliability and redundancy to their existing water supply. The well had elevated levels of color at 50-60 […]
