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  • Users: rkrj
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  1. rkrj

    Sulphuric Acid Dilution, strength change over time

    First, I would like to thank all of you for valuable ideas to address the problem, it has given me a much better understanding of the whole system. However, I think we've got the system in control now, as we haven't needed to flush the system for more than 7 days now. We discovered that the...
  2. rkrj

    Sulphuric Acid Dilution, strength change over time

    apc2kp> You are correct, we have a cooler between the mixer and the tank, cooling the mixture from 58-60°C to 13°C using a brine solution. First we got the two pumps, then the t-junction, a pulsation damper, the cooler and then the tank. We got a nitrogen valve on the tank to apply a pressure...
  3. rkrj

    Sulphuric Acid Dilution, strength change over time

    The concentrated sulfuric is stored in a 2 m3 steel tank. The diluted sulfuric acid is stored in a 1 m3 steel tank. The mixing chamber is made of PTFE, and is basically a T-pipe with purified water and concentrated sulfuric going in, and diluted sulfuric going out. All other piping is steel as...
  4. rkrj

    Sulphuric Acid Dilution, strength change over time

    Hiya All I got a sneaky problem with an inline mixer, mixing 98% sulphuric acid with water, the finished product is 25% sulphuric acid. The problem is the following: We monitor the temperature and the conductivity of the mix, and they are both stable for a period of time, usually 2-6 days...

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