Size-Graded Iron Tailings

Fine fraction, high eco-risk

Size-graded iron tailings where the finest fraction carries higher TN, TOC, and metals but lower acid-generating potential, informing particle-size-specific remediation.

Wang, Jin · She, Zhixiang · Wang, Shu · He, Xiao Xong · Yue, Zhengbo

Journal of Hazardous Materials 2024

Advantages

highest microbial diversity in finest tailings

higher total metal concentrations in fine tailings

higher total organic carbon in fine tailings

higher total nitrogen in fine tailings

lower acid-generating potential in fine tailings