Guys. A proposal for purifying water injection at the top of an atmospheric pressure tower as part of technical upgrades
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Our unit originally used sulfur-containing wastewater for injection at the top of the atmospheric pressure tower; recently, the pH value of this wastewater has been 2-3, making its properties too poor. I’m preparing a line to supply purified water at the top of the reforming tower, and I want to know if there are any requirements regarding the temperature of this water. Is the amount of water supplied 5% of the amount of distillate gasoline? I hope experts working under normal pressure can provide answers. Thank you so much.
No specific indication is given regarding the temperature. Some literature suggests that this value is around 10% of the total amount of oil and gas at the top of the tower, but I believe this figure should still be determined based on the actual conditions of the installation. The pH value of your sulfur-containing wastewater is so low...
Thank you for the answer. Boss. The acid value of the crude oil is too high. Add a dilution effect at the starting point of the purified water line. Ten percent. 32 tons of gasoline per hour at the tower top. In other words, 3.2 tons of water can be injected per hour
This is the experience value; it’s up to you to decide. If 5 tons are sufficient to meet the requirements, then there’s no need to use 10 tons. Apply what you’ve learned in practice; don’t try to apply it mechanically.