For over 40 years, RDP Technologies has been building Robust equipment, backed by Dependable process performance, based upon a foundation of Practical Technologies that simply perform. RDP specializes in renowned Lime Prep and Feed Process System technology for the Water Industry. In Wastewater RDP offers Class A and Class B Lime Stabilization Systems, Precision Truck Unloading Systems, RDP-Fenton Batch Dryers.