Due to processing different types of crude oils at a petroleum refinery, the density of ATF (Aviation Turbine Fuel) produced varies wildly resulting in layering in storage tanks. This is not acceptable and there is apprehension that if a jet nozzle is used in the storage tank and is subjected to circulation, the electro static charge will accumulate (considering low conductivity of ATF) and would be unsafe. Do you experience such problems? If so, how you prevent or correct the layering problem? What method and precautions are taken? Please confirm whether use of a jet mixer in the tank for ATF circulation is allowed.
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Re: Layering problem in oil storage tanks
25 June 2007 at 1:29pmThis is something outside my area of expertise, as Ive never worked in the oil or fuel industries. The two best references on static electricity hazards and good practices are the books from CCPS by Tom Pratt, and also by Larry Britton. Here are the web references for the books:
Avoiding Static Ignition Hazards in Chemical Operations by Laurence G. Britton
Electrostatic Ignitions of Fires and Explosions by Thomas H. Pratt
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