Sulfide-driven mixotrophic partial denitrification: From performance to microbial mechanism. - Chen, Zebin; Kang, Peilun; Ye, Shengqi; Xie, Bing; Xie, Xinyu; Song, Jingwen; Ma, Yiting; Wu, Zixuan; Cui, Xi; Zhang, Xiaojing; Yu, Guangwei; Liang, Yuhai (Chemical Engineering Journal, 2026)