I am trying to justify the ASME B31.3 classification of Normal Fluid service for 50% NaOH. The system design gauge pressure is below 150 psi and the design temperature is ambient. Sodium Hydroxide does not produce systemic toxicity; its health effects are due to its corrosive nature. However...
I am looking for an instrument or method to monitor the concentration of 3 wt % KMnO4/H2O solutions on-line for a scrubber application. I would like to automate the process to inject the concentrated KMnO4 solution when the feed concentration drops below 3%. I am considering conductivity but...