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Thread: Filters Backwash - Water treatment

  1. #1
    Associate Engineer
    Join Date
    Oct 2013
    Posts
    2

    Filters Backwash - Water treatment

    Hello,

    I have two alternatives from which I need to choose:
    First:
    used backwash water shall be recirculated to the head of the water treatment
    without any further treatment.

    Second:
    Designing a separate treatment for the used backwash water.


    The water treatment includes coagulation & flocculation, sedimentation and filtration.

    Can you please advise me why should I design a special side process for the used
    backwash water? In any case, most of the side treatments include the same
    processes as the main line.

    Source of water is a river and capacity is pretty low (about 700 m3/hr)

    Thanks,
    David



  2. #2
    Technical Fellow Kelly_Bramble's Avatar
    Join Date
    Feb 2011
    Location
    Bold Springs, GA
    Posts
    2,544
    Welcome to EE!

    This question is way out of my knowledge realm...

    I would first suggest that you research out any local od national regulations on how to design for water treatment. If no regulation are available I would suggest using the most likely to succeed design.

    It is way easier to over engineer than to engineering it "just right"...

    Good luck

  3. #3
    Associate Engineer
    Join Date
    Oct 2013
    Posts
    2

    Thanks

    Thank you

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