Hong SW, Park C, Chung TH, Choi YS. Solid–liquid Separation of Activated Sludge by Flotation Using Microporous Ceramic Diffuser. AMST [Internet]. 2017 Nov. 20 [cited 2024 Apr. 25];7(1). Available from: https://amst.utm.my/index.php/amst/article/view/54