Development and evaluation of a sulfate precipitation method for separating key flocculated-species from titanium-based flocculant - Mingqian Hou; Wenhui Guo; Hao Xu; Chunyi Sun; Xu Zhao; Xiaomei Gao; Xuguang Li; Tao Yan; Shou-Qing Ni; Liangguo Yan; Yanxia Zhao (Water Research, 2025)