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  1. NeedAHoliday

    Caustic Service Material Selection

    I have a solutiona at less than 65C and at pressure of 230kPaa. It will contain <4% NaOH but could see upto 48% in case of process upset/failure. I normally use PVC or PP or HDPE for this type of service but I have recently begun to think about steel for some of my applications. I don't...
  2. NeedAHoliday

    Fluid Flow from gravity - Sanity Check

    Dear All, I need a sanity check on some number crunching I have done. I have a make-up water tank that is at atmospheric pressure with a water column height of 3.1m with the outlet nozzle of tank to scrubber inlet vessel of 2m (therefore conservative column height is 2m of available head)...
  3. NeedAHoliday

    Effect of pH and temperature on reaction kinetics of CO2 and NaOH

    Dear All, Could anyone either supply or direct me to a source of information for the reaction potential of CO2 with NaOH that encompasses the effect both pH temperature and pressure has on the kinetics of the reaction. I understand that at pH of 9.5-10 and up that the CO2 will have a high rate...
  4. NeedAHoliday

    Enthalpy of Combustion - VOC's

    Could someone please point me in the direction of a good comprehensive source of Enthalpy of Combustion values for hydrocarbons (VOC's, aldehydes and ketones etc). Have no problem with the standard ones but having some difficulty in finding values of compounds such as dibenzofuran, Fluoranthene...

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