Experimental number Feeding time (s) H+ concentration (mol/L) Rotational speed (rpm) Reynolds number
R1 120 2.0 50 2094
R2 120 2.0 100 4188
R3 120 2.0 200 8376
R4 120 2.0 300 12564
R5 120 2.0 400 16752
R6 120 2.0 600 25128
R7 120 2.0 800 33504
R8 120 2.0 1000 41880
R9 20 2.0 300 12564
R10 40 2.0 300 12564
R11 60 2.0 300 12564
R12 90 2.0 300 12564
R13 240 2.0 300 12564
R14 360 2.0 300 12564
R15 480 2.0 300 12564
R16 120 1.2 300 12564
R17 120 1.6 300 12564
R18 120 4.0 300 12564
R19 120 5.0 300 12564
R20 120 6.0 300 12564