Performance and mechanisms of enhanced rapid start-up in continuous-flow aerobic granular sludge systems by inoculating natural polysaccharide polyelectrolyte pre-granulation - Li Xie; Xingbo Wang; Weihai Pang; Haosheng Yang; Youlu Huang; Zirui Wu; Qianqian Wan; Qian Guo; Zhixin Li; Huiping Li (Journal of Environmental Chemical Engineering, 2026)