Figure 2
Schematic reactors: Ozonation (a) and Ultrasonic (b) for sludge semi-stabilization (Designed by Adobe Illustrator software (Version 2019) https://www.adobe.com/products/illustrator.html.
Figure 2 | Scientific Reports
Schematic reactors: Ozonation (a) and Ultrasonic (b) for sludge semi-stabilization (Designed by Adobe Illustrator software (Version 2019) https://www.adobe.com/products/illustrator.html.
