Alkylation wash tower
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In the alkylation wash tower, there is a red-black foam on the surface of the water; sometimes it becomes turbid with particles, but these particles dissolve in the water after a while. Why is this happening? What problems does it indicate?
At this point, you must be very careful; the methanol content has increased, and the washing effect is not good, so increase the water supply and drainage volume promptly； The second issue is that the upper coalescer is no longer working well; I hope this can help you!
Thank you. Is that an impurity resulting from the reaction of water or methanol with acid? Are it the reaction impurities that carry the acid to the alkali scrubber, or something else?