American Water Works Association (AWWA)

Inland Desalination and Concentrate Management - Webinar

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With world population increasing and reliable freshwater supplies becoming more limited, desalination is a rapidly growing water supply alternative in many locations. Desalination offers a means of providing freshwater from abundant saline water sources. The increased use of inland desalination has created a need for advancements in concentrate management. AWWA Manual M69, Inland Desalination and Concentrate Management discusses key issues involved in developing inland desalination facilities and using related concentrate management and disposal methods.
Event Type:
Webinar
Date:
Sep. 9, 2020
Venue:
11:00 AM - 12:30 PM MT
Location:
Online

Its use has historically been most prevalent in coastal areas, treating either seawater directly or seawater-influenced groundwaters; however, as desalination technologies have advanced and conventional water sources become scarcer, inland water users have increasingly turned to desalination as well.

The increased use of inland desalination has created a need for advancements in reliable, cost-effective, and environmentally sensitive means of concentrate management. Coastal desalination facilities often discharge residual concentrate to the ocean; however, with inland facilities, concentrate conveyance lines to coastal areas are often cost prohibitive, requiring alternative concentrate-disposal options or the use of costly zero-liquid-discharge technologies to eliminate concentrate discharge.

The recently published AWWA Manual of Water Supply Practices—M69, Inland Desalination and Concentrate Management, discusses key issues involved with developing inland desalination facilities and using related concentrate-management and disposal methods, with eight case studies to illustrate several of the approaches discussed. This covers a wide range of municipal and industrial applications using Zero Liquid Discharge (ZLD) and non-ZLD technologies. This special session will present selected case studies, aiming to aid utilities, industrial facilities, and other water users in evaluating or adapting inland desalination for their water supply needs.

This webinar will provide a brief overview of AWWA Manual M69, Inland Desalination and Concentrate Management. This overview will introduce the common challenges of inland desalting and some case studies showing how they can be overcome. The learner will leave with a deeper understanding of the different desalting technologies and when one more is applicable than another.

This webinar examines the challenges associated with inland desalting and concentrate management. The webinar will aid the viewer/utility greatly in the future design of new plants or plant upgrades. The viewer/utility will learn about desalting technology limitations, the concentrate such technologies generate, and concentrate disposal strategies.

  1. Gain an in-depth understanding of water quality impacts on pretreatment requirements, membrane processes, and non-ZLD and ZLD concentrate management technologies and disposal options
  2. Broaden knowledge basis and access to useful resources for implementing inland desalination and concentrate management facilities
  3. Learn mitigation measures and tools for assessing, addressing, and communicating the regulatory issues and environmental concerns associated with these technologies
  4. Obtain guidance on available practices for reducing the energy consumption and treatment costs of inland desalination and concentrate management facilities

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