As the demand of the refined oil product increases, the refiners are increasing the capacity of their crude processing facility to accommodate higher throughput. In addition, considerable shift is noticed in the countries where indigenous crude production is going down necessitating the need to process imported high sulfur crude. To facilitate this change the revamp of auxiliary process units such as Sour water Stripper (SWS) units and Amine treating Units (ATU) is a vital need for the refinery. As these units are not the profit earning units in a refinery, clients do not want to spend much on these units and look for very cost effective means by carrying out revamp of these auxiliary units rather than going for a new unit. Advantage of revamping rather than constructing a new unit is less turnaround time. Space availability in existing refineries is also a big constraint in constructing a new unit.
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