Burkholderia contaminans ZCC bioaugmentation of ecological floating beds for heavy metals removal under low carbon-to-nitrogen sources - Shanshan Hu; Fengxiang Zhu; Linjun Li; Yu Chen; Zhongbing Chen; Xuee Wu; Yuchen Wang; Jiewen Wang; Lexing You; Bo Hu; Feng Zhao (Journal of Hazardous Materials, 2026)