FilmTec™ LiNE-XD nanofiltration elements are a finalist in the Resource Recovery & Environmental Conservation category. WILMINGTON, Del., Feb. 14, 2024 /PRNewswire/ -- DuPont (NYSE:DD) today announced that FilmTec™ LiNE-XD nanofiltration membrane elements, the company's first offering dedicated to lithium brine purification, was named a finalist in the 2024 Edison Awards™ in the Resource Recovery & Environmental Conservation category. Lithium brine purification is critical to producing batteries needed for ...