Technoeconomic assessment of metal recovery from chloric-based spent pickling liquor in Indonesia: A case study on Java IslandHanna Zakiyya, Ei Ei Khine, Siti N. Abd Bakil, Tri H. Ningsih, Nur A. Susanti and Sahyoni SahyoniE3S Web Conf., 645 (2025) 01007DOI: https://doi.org/10.1051/e3sconf/202564501007