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  • Users: Joe H
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  1. Joe H

    Black Colored Water from Groundwater that Turns Clear After Time

    Hello, I currently work at a water treatment facility that treats groundwater. Recently the in-fluent water we've been receiving is almost pure black. My first thought was manganese, and am having it tested to see if Mn is present. Here's the part that confuses me: If I leave the water alone...
  2. Joe H

    After complete oxidation, Sulfides "reappear" after Multi Media Filters.

    Hi, I’m fairly new to the waste water industry and was hoping to get some input on one of the anomalies I’m facing at my current treatment plant. We treat ground water with hydrogen sulfide present in it. We use hydrogen peroxide to oxidize the H2S. The H2O2 is injected prior to the sediment...

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