... effluent treatment and disposal area. Particulate removal. Scrubbers may be used as control devices on incinerators and boilers for fly ashcollection. The plate, spray, venturi, and moving bedtypes ... gases, and the operating temperature of the cyclone.Generally, cyclones are constructed of mild steel orcast iron. (See para 7-5 for additional information onmaterials selection for pollution control ... as materials for scrubber systems, certain pertinent oper-xnew control systems are devised, simultaneous removal ating parameters should be considered. The metal sur-of gases and particulate...