Desalination and Water Reuse Symposium

Oral

395050 - Hold the Salt: WE&RF Desalination and Salinity Management Research Efforts

Monday, June 4
10:30 AM - 12:00 PM
Location: Greenway EF

WE&RF is a subscriber-based, 501c3 nonprofit organization formed in 2016 as the result of the merger of Water Environment Research Foundation and the WateReuse Research Foundation. WE&RF conducts research on integrated water including water reuse, desalination, and resource recovery. The WE&RF desalination research portfolio includes 29 projects covering topics on cost analysis, treatment processes, desal intake systems, membrane biofouling, regulatory barriers, and public acceptance. WE&RF has three ongoing projects addressing issues in membrane pretreatment, subsurface intakes, and seawater integration. The presentation will highlight these ongoing efforts and important findings.

Membrane Pretreatment. The successful operation of seawater reverse osmosis plants depends on the ability of the pretreatment system to consistently produce high quality water for the reverses osmosis process. As part of “Pretreatment for Seawater Reverse Osmosis: Existing Plant Performance and Selection Guidance” (Desal-14-07), the project team led by Dr. Joe Jacangelo of Stantec developed a knowledgebase to provide water utilities with a set of key criteria for the evaluation of conventional versus membrane-based pretreatment technologies.

Subsurface Intakes. Desalination subsurface intakes can provide improved feed water quality while preventing impingement and entrainment of marine organisms. “Methodology for Assigning Pathogen Removal Credits to Desalination Subsurface Intake Wells” (Desal-14-06), led by Dr. Zia Bukhari of American Water, aims to evaluate methodologies to determine whether desalination intake wells are under the influence of surface water and determine pathogen removal credits that can be verified for a specific intake well.

Seawater Integration. “Case Study of the City of Carlsbad and Surrounding Areas’ Experience with Integrating Desalinated Seawater Supply in Municipal Distribution Systems” (Desal-15-06), led by Dr. Brent Alspach of Arcadis, takes advantage of a unique opportunity to investigate the integration of desalinated sweater into the San Diego area distribution network following the completion of the Carlsbad Seawater Desalination plant in the Fall of 2015.

Kristan VandenHeuvel

Research Manager
The Water Research Foundation

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Harry Zhang, PhD, PE

Program Director
Water Environment & Reuse Foundation (WE&RF)

Harry Zhang, Ph.D., P.E., is a program director with Water Environment Research Foundation (WERF). Dr. Zhang serves as a subject matter expert on water quality modeling & monitoring, watershed, TMDLs, stormwater, and integrated water resources management. Dr. Zhang is a member of EWRI’s TMDL technical committee. In addition, Dr. Zhang is the Chair on Flowing Waters Committee at AWRA.

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