Insights into the azo dye decolourisation and denitrogenation in micro-electrolysis enhanced counter-diffusion biofilm system - Tianyi Wang; Xiaohang Han; Yufei Cheng; Jiaxuan Yang; Langming Bai; Weichen Zeng; Hesong Wang; Nuo Cheng; Han Zhang; Guibai Li; Heng Liang (Bioresource Technology, 2024)