Situation A European producer of butadiene was experiencing unstable operations in their solvent, degassing section. The unit, built to a BASF design, required annual maintenance on the lower section of the acetylene washer column. Approach This section of the butadiene plant exhibited a wide range of different fouling mechanisms. The SiYPro™ team worked with the customer to evaluate to see what mechanisms contributed most to the fouling. SiYPr

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