weight and processing time. Comparing table 2 and 3 with each other there can be noted that the RP4 used more wash water than the M7. Table 2: Feed rate, deck angle and wash water flow rate for each test on the RP4. RP4 Shaking Table Feed sample Weight (gram) Production Time (sec) Avg. Feed Rate (g/min) Deck Angle (º) Water Flow Rate (l/min)