Figure 4 The relationship between microbubble size and its floating rate
The relationship between the particle size and the average rising rate is shown in Fig.4. As the particle size of the microbubbles increases, the average rate increases. The relationship between the average rate and the particle size of a single microbubble is y = 48.056x + 1814.8 (R2=0.73), and the relationship between the average rate and the particle size of two microbubbles is y=97.123x-1108.8 (R2=0.77). From the correlation coefficient R2, in the same water flow environment, whether it is a single microbubble or a combination of two microbubbles, its average rate is positively correlated with its particle size, and the effect of microbubble particle size on the average rate is extremely significant.
3.2 Adhesion efficiency and adhesion mechanism of microbubbles to microalgae