(2) sparging inert gas or adding surfactants into the liquid can lower the viscosity of the solution and the cavitating threshold, and raise the desorption efficiency of SO2;

• (2)少量惰性气体的通入或者表面活性剂的加入能够降低溶液黏度,产生空化效应,从而提高了SO2的解吸率;