Application of Calcium Alginate Products for Seawater Desalination Process Helwani Fuadi Sujoko Putra, Alif Alfarisyi Syah and Anugrah Ricky Wijaya E3S Web Conf., 481 (2024) 03010 Published online: 26 January 2024 DOI: 10.1051/e3sconf/202448103010