Making the Switch from Lime to Membrane Softening: When is it the Right Time?
This paper summarizes the decision process utilities may use to look at replacing the lime softening system with nanofiltration (NF) or even low-pressure reverse osmosis (LPRO). The factors that go […]
Emergency Raw Water Desalination for Texas Drought Response
This presentation will detail the unique planning, design, discharge and treatment permitting, and construction procurement/execution implemented to provide a crucial new water supply to the Palo Pinto CMWD1 and City […]
Coping With Increasing Groundwater TDS at the Largest Inland RO Treatment Plant
The presentation provides an overview of the alternatives and the estimated costs for the Kay Bailey Hutchison (KBH) Desalination Facility in El Paso, Texas to deal with increasing TDS levels […]
Quincy Water Reuse Utility TDS Control
The paper describes the new Q1W Utility that will integrate its industrial and municipal wastewater treatment systems in Quincy, Washington. At the core of the utility are new membrane ultrafiltration […]
First Year Performance at the LVL WTF
This paper describes work done at the Leo J Vander Lans Water Treatment Facility . After a pilot test for reclaiming backwash from the microfiltration and brine from the reverse […]
Is Ozone Pretreatment Best Approach for Improving MF/UF Productivity?
This paper describes a detailed assesment and comparison of a 2 MGD pressurized microfiltration facility that treats secondary effluent from a non-nitrifying facility with or without ozone treatment. The results […]
Hydraulic Cleaning Methods for Ceramic Membranes – A More Conventional Approach to Facilitate Retrofits
This paper will present hydraulic cleaning design summary options for ceramic and polymeric low pressure membranes as well as field testing data comparing more conventional to more aggressive methods. The […]
Evaluation on Water Quality for MF/UF Filtration in Pretreatment of RO Membrane for Direct Potable Reuse and Groundwater Recharge
This paper examines the water quality of a ceramic microfiltration used for the pretreatment of a reverse osmosis membrane for water reuse in a ground water recharge. The study evaluates […]
Tripling the Capacity of the Lakeshore WTP by Retrofitting an Interchangeable Membrane System
This paper will outline the details of the design process and present information on the advantages of an interchangeable membrane system as they relate to the Lakeshore WTP in the […]
Expanding Submerged Plant Operating Window Through Double-Ended Filtration
This paper describes the application of a double ended submerged filtration system in Sydney Australia. Several different modules were tested and high turbidity experienced during the test period were handled […]