GEISMAR — Since the 1960s, fertilizer manufacturer PCS Nitrogen and its predecessors have piled up a 180-foot-tall mound of a chalky white chemical waste byproduct known as phosphogypsum on a remote ...
A research group led by Prof. Wan Yinhua from the Institute of Process Engineering (IPE) of the Chinese Academy of Sciences developed a novel highly permeable acid-resistant nanofiltration (NF) ...
Flottweg experts will discuss key mining topics such as tailings dewatering, acid mine drainage, direct lithium extraction, and solvent extraction at MINExpo. The core of all mining processes is the ...
Assistant Clinical Professor of Critical Resources & Sustainability Analytics, University of Maryland Across Appalachia, rust-colored water seeps from abandoned coal mines, staining rocks orange and ...