Are you doing it? Care to share your SOP?
I was reading this MBAA TechTip where the author suggests that running CO2 though a 0.2" orifice plate with a 5 psi differential pressure will deliver 20# of CO2 per hour and purge a 100bbl tank in 4 hrs. Our tanks aren't that big (~18bbl.) so if the method scaled linearly purging should take about 45 mins. Without an O2 meter we're riding blind (but we're doing so already with our current method.)
I haven't seen reference to this technique before and Googling hasn't turned up anything too helpful.
I was reading this MBAA TechTip where the author suggests that running CO2 though a 0.2" orifice plate with a 5 psi differential pressure will deliver 20# of CO2 per hour and purge a 100bbl tank in 4 hrs. Our tanks aren't that big (~18bbl.) so if the method scaled linearly purging should take about 45 mins. Without an O2 meter we're riding blind (but we're doing so already with our current method.)
I haven't seen reference to this technique before and Googling hasn't turned up anything too helpful.
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