... rubberlining for utility FGD application. If chlorides are present, alloys such as904L, AL6XN, C -2 2 , or C -2 7 6 are used.Chevrons in many FGD designs are installed in stages given the highdroplet loading. ... fromcarbon steel, to rubber-lined steel, to FRP, to exotic alloys. Some designs have Figure 14.5 Multiple chevron stages (Munters Corp.). © 20 02 by CRC Press LLC Figure 14 .2 shows a common application ... the gas and liquid is low(usually below 20 –40 ft/sec), so impaction is minor. Figure 14 .2 Utility FGD system (Babcock & Wilcox Company). © 20 02 by CRC Press LLC Spray scrubbers using...