Refinery basics SlideShare
Feb 28, 2015· Refinery basics 1. ... VGOHDT process flow diagram 16. ... The process objective of SWS Unit is to process Sour water streams generated in refinery process units CDU/VDU, DCU, Flare KOD, ARU, SRU TGTU, HGU and DCCU for Single Stage Stripper. Sour Water streams from VGOHDT and NHTU for Two stage stripper for removal of H2S and NH3.