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Thread: PTA Powder in Containers

  1. #1
    faraz ahmed Guest

    PTA powder in containers

    we use 20ft containers for transporting PTA Pure Terethalic Acid . There is a polyethylene liner inside container . Moisture of is 0.1%. temperature at which powder is filled 60deg celsius.
    Problem is that moisture is observed inside the liner after the powder is filled. what could be the reason and remedial actions.Add for reply faraz_sheikh@ici.com

    faraz_sheikh@ici.com
    Last edited by faraz ahmed; 17th January 2004 at 11:05.

  2. PTA filling

    It would seem that moisture is condensing from the warm, vapour laden air content of the powder. The simple answer would be to cool the powder elsewhere before loading into the containers, but this is probably impractical and may be unnecessary. The real question is does whether this free moisture gives rise to any operational or quality problem and then whether it is cheaper to deal with the problem than avoid it. More details are needed of the life cycle of the material to understand how best to approach this situation.

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