The Absorption of Congo Red (CR) Synthetic Dye Using the Metal-Organic Framework Calcium Alginate (MOFCA) AdsorbentMahreni Mahreni, Joice Christyanto, Mahendra Veri Yuda Saputra, Sri Wahyu Murni, Renung Reningtyas and Siswanti SiswantiE3S Web Conf., 655 (2025) 01012DOI: https://doi.org/10.1051/e3sconf/202565501012