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  1. laffan

    Liquid level (HLL & LLL) calculation of tank?

    Hello All, I'm trying to claculate liquid level (HLL & LLL) in tank? Could anybody explain how to calculate it .... and also How to calculate the overflow line of the tank ... espcially for chemical tanks
  2. laffan

    Nitrogen Sweeping Calculation

    thaks and best regards
  3. laffan

    Nitrogen Sweeping Calculation

    thanks for replying can you correct my calculation I used the equation where: Q= 74.5 Nm3/h Concentration 24000 ppm to 10 ppm V = 11 m3 the Time = 1.489 hours this is right
  4. laffan

    Nitrogen Sweeping Calculation

    During calculation to purge vessel to get H2S below 10% ppm ..... we found that we need five cycle to get our value, by nitrogen pumping. Note: Vessel volume 11 m3 pumping with nitrogen 7 barg take five time each time around one hours, amount nitrgen used in each pumping 74 Nm3/h Question: if we...

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