Function and mechanism of ZnCr-LDH-tailored sawdust biochar composite on decontamination of water and soil contaminated with As5 + and As3+. - Wang, Lu-Si; Wang, Yi-Rong; Liao, Xiao-Yong; Tang, Kuok Ho Daniel; Li, You; Shaheen, Sabry M.; Li, Rong-Hua (Colloids & Surfaces A: Physicochemical & Engineering Aspects, 2026)