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  1. zwsa06

    precoat leaf filteration

    In our chloralkali process, we have a brine filtration unit which is similar to yours, but we have carbon filter elements instead of a filter cloth. We had similar problems in filter dP and filtrate pH control, which was crucial for brine chealating. Adding 50% more filter aid and increasing...
  2. zwsa06

    Flow transmitter for CW service

    I am looking at replacing a 12 year old flow mag meter (Manufacturer : FlowTec) with a simple RO and taps. The reason is we have had several plant trips due to faulty reading on the mag meters, which have been calibrated and tuned and whatever else to filter out errors. The magmeters measure...
  3. zwsa06

    Suitable Material for 50% Sodium Hydroxide

    I require some assistance in determining a suitable material for hot sodium hydroxide processes. The material we are currently using as the diaphragm wetted parts for our Fisher Rosemount level transmitter is Hastelloy C276. The level transmitter is used in a hot caustic service (150oC, 56%...
  4. zwsa06

    Furnace specs

    My previous assignments in an acrylic acid and maleic anyhdride plant used furnaces to incinerate the waste streams. Acrylic acid waste streams (about 48% in DMP) with several other acrylate streams were incinerated at 1100degC in an Oscatz furnace. The only limitations were that the streams...

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