A reprocessing apparatus for washing and cleaning a load comprising a reprocessing chamber, a buffer tank, a buffer tank valve and recirculation valve, fluid distribution devices and plurality of pumps, at least one ultrasonic transducer and a drainage system characterised by said buffer tank is supplied with fresh water and process chemical where buffer tank holds fresh process fluid that is pumped to at least one fluid distribution device and directly into the load, the drainage system for discharging process fluids and recirculation loop for pumping said fluid back the reprocessing chamber, and a method of reprocessing a load in a reprocessing apparatus characterised by that fresh water is mixed with process chemicals externally to said chamber in the buffer tank and delivered to said chamber through fluid distribution devices and internal connecting lines while simultaneously washing the load internally and externally and discharging the fluid from the reprocessing chamber.