Does anyone have experience with liquid or vapour phase chemical cleaning agents? We will be doing extensive maintenance during our next shutdown and would like to ensure that our unit is free of HC, H2S etc. The units to be cleaned are the crude, vacuum and Sour water stripper units.
I am trying to determine what the minimum recommended distance is between a truck unloading facility and process unit areas, specifically fired heaters.
I have checked NFPA 30 and they only have guidlines for distances to "aboveground tanks, warehouses, other plant buildings or the nearest...
