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posted by janrinok on Friday September 15 2023, @04:47PM   Printer-friendly

Arthur T Knackerbracket has processed the following story:

The water coming out of your faucet is safe to drink, but that doesn't mean it's completely clean. Chlorine has long been the standard for water treatment, but it often contains trace levels of disinfection byproducts and unknown contaminants. Georgia Institute of Technology researchers developed the minus approach to handle these harmful byproducts.

Instead of relying on traditional chemical addition (known as the plus approach), the minus approach avoids disinfectants, chemical coagulants, and advanced oxidation processes typical to water treatment processes. It uses a unique mix of filtration methods to remove byproducts and pathogens, enabling water treatment centers to use ultraviolet light and much smaller doses of chemical disinfectants to minimize future bacterial growth down the distribution system.

"The minus approach is a groundbreaking philosophical concept in water treatment," said Yongsheng Chen, the Bonnie W. and Charles W. Moorman IV Professor in the School of Civil and Environmental Engineering. "Its primary objective is to achieve these outcomes while minimizing the reliance on chemical treatments, which can give rise to various issues in the main water treatment stream."

Chen and his student Elliot Reid, the primary author, presented the minus approach in the paper, "The Minus Approach Can Redefine the Standard of Practice of Drinking Water Treatment," in the Environmental Science & Technology journal.

The minus approach physically separates emerging contaminants and disinfection byproducts from the main water treatment process using these already proven processes:

The minus approach is intended to engage the water community in designing safer, more sustainable, and more intelligent systems. Because its technologies are already available and proven, the minus approach can be implemented immediately.

Journal information: Environmental Science & Technology

More information: Elliot Reid et al, The Minus Approach Can Redefine the Standard of Practice of Drinking Water Treatment, Environmental Science & Technology (2023). DOI: 10.1021/acs.est.2c09389


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  • (Score: 2) by RS3 on Saturday September 16 2023, @02:26PM (5 children)

    by RS3 (6367) on Saturday September 16 2023, @02:26PM (#1324940)

    The obvious choice would be herbivores. However, carnivores will solve the problem of the lazy landowner. Food for thought? Or maybe carnivorous dinosaurs don't think? :)

    Starting Score:    1  point
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  • (Score: 2) by Reziac on Saturday September 16 2023, @04:02PM (4 children)

    by Reziac (2489) on Saturday September 16 2023, @04:02PM (#1324946) Homepage

    A couple of big herbivores to keep the jungle in check, and a couple of midrange carnivores to keep nosy neighbors away....

    --
    And there is no Alkibiades to come back and save us from ourselves.
    • (Score: 2) by RS3 on Saturday September 16 2023, @04:09PM (3 children)

      by RS3 (6367) on Saturday September 16 2023, @04:09PM (#1324948)

      Hmmm, I might buy a couple of those if you have some to spare.

      • (Score: 2) by Reziac on Saturday September 16 2023, @04:48PM (2 children)

        by Reziac (2489) on Saturday September 16 2023, @04:48PM (#1324952) Homepage

        First I need a stable breeding population... but I'll put you on the list.

        --
        And there is no Alkibiades to come back and save us from ourselves.
        • (Score: 2) by RS3 on Saturday September 16 2023, @06:52PM (1 child)

          by RS3 (6367) on Saturday September 16 2023, @06:52PM (#1324964)

          There are dinosaur populations that breed in stables? :)

          No thanks, I'm not interested in breeding with dinosaurs, in or not in a stable.

          • (Score: 2) by Reziac on Saturday September 16 2023, @07:30PM

            by Reziac (2489) on Saturday September 16 2023, @07:30PM (#1324967) Homepage

            My nefarious scheme is exposed! Was hoping to take advantage of the craze for dino porn with a live-action film...

            --
            And there is no Alkibiades to come back and save us from ourselves.