19/09/2026
In biological wastewater treatment, oxygen is the “lifeline” sustaining aerobic microorganisms that decompose pollutants. However, oxygen supply typically requires significant energy, accounting for a major portion of operational costs in treatment plants. Addressing this challenge, Phan Xuan Loi, Nguyen Truong Thanh, and Kim Lavane from the College of Environment and Natural Resources, Can Tho University, have developed a novel system that uses a venturi tube combined with a helical mixer to generate microbubbles, thereby enhancing oxygen dissolution in water.