Regarding oil-containing wastewater tanks
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Dear experts: In our design, we plan to use the same oily wastewater tank for the oily wastewater from the heavy oil tank area and that from the light oil tank area. Is this in compliance with the design specifications?
Inside the tank area? In my opinion, adding a water seal will do; at least it will prevent backflow in case of a fire. Check if there are any other special requirements in the specifications.
The design regulations for oil separators are now clearly specified in the fire protection standards for petrochemical enterprises. You can just consider the spacing by category