Influence of Hydrodynamic Cavitation on the Viscosity of Raw Sugar Solution

Viscosity of raw sugar solution is an important factor affect the smelting process. This paper researched the changes and rules of raw sugar solution intrinsic viscosity under the treatment of turbine cavitation. Different operating parameters such as the raw sugar solution (0.10 g/mL, 0.15 g/mL, 0.20 g/mL, 0.25 g/mL, 0.35 g/mL, 0.45 g/mL), outlet pressures (0.1 MPa, 0.2 MPa, 0.3 MPa, and 0.4 MPa), solution temperature (30 °C, 40 °C, 50 °C, 60 °C and 70 °C), and treatment time (1 min, 2 min, 5 min, 10 min, and 20 min) were investigated. The experimental results show that: with the increase of the concentrations, intrinsic viscosity decrease rate reduced gradually; with the increase of the outlet pressure, intrinsic viscosity decrease rate increased gradually; with the increase of solution temperature, intrinsic viscosity decrease rate increased gradually; with the increase of cavitation time, intrinsic viscosity decrease rate increased gradually, but the increased rate is decreased, and at the beginning of the cavitation, the intrinsic viscosity decrease rate decreased faster.