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  • Users: JeffH35
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  1. JeffH35

    H2SO4 level instrument

    I agree with khan101, go with radiometrics. We use radiometric instruments to take an array of measurements in our plant and they are reliable.
  2. JeffH35

    problems with activated carbon bed

    Yordif, You hit the nail square on the head, so to speak. Our process is up-and-running and we are experiencing negligible amounts of fine carbon in our product, whereas before there was much more. We changed our bed for, what looks like, the final time. Using the change-out technique of...
  3. JeffH35

    problems with activated carbon bed

    gacguy, Thanks for your post. You seem to have some experience with AC beds. I think you gave us some information that is leading to a solution. Our bed already operates in the downflow mode and we don't have the tank capacity to backwash at such a high rate. However, we have done a...
  4. JeffH35

    problems with activated carbon bed

    hacksaw and tickle, Thank you both for your input. hacksaw, I will contact our supplier and find out how they process their AC and find out what they will tell me. Otherwise, we will just continue to flush the system and keep our fingers crossed, as we can withstand a bit of halted...
  5. JeffH35

    problems with activated carbon bed

    Hi All, Our plant utilizes an activated carbon bed to filter contaminants and "purify" a stream of hot solution. This solution is then cooled/crystallized, fed through a centrifuge and dried, yielding a high-purity product. We started to see contamination of the product and changed the bed...

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