Multiwaste-Induced Reducing Reactive Layer Enabling Synchronous Mineralization of Cationic and Anionic Metals in Smelting Slag: Packed-Column Test and Field Demonstration

Abstract

AbstractSmelting-slag sites in ecologically fragile regions pose persistent risks of heavy-metal release. This study developed a multiwaste-induced reducing reactive layer composed of steel slag, flue-gas-desulfurization gypsum, chicken manure, and crop ...Graphical abstract illustrating a multi-waste–induced reductive reactive layer (steel slag, flue-gas desulfurization gypsum, chicken manure, and crop straw) designed to achieve simultaneous mineralization of HM in mine waste. The reactive layer is ...