Fig. 4
From: Mass transfer and flow characterization of novel algae-based nutrient removal system
Multiphase flow visualization during reactor operation (a) and empirical assessment of air void fraction with the reactor chamber (b, c). a Image of reactor chamber using high-speed camera setup. b Representative high-speed frames of lowest (2.5Â L/min) and highest (15Â L/min) air flow rates with processed images used for analysis. Complete set of representative images across the entire range can be found