Granular activated carbon optimization for enhanced environmental disaster resilience and malathion removal from agricultural effluentHajjar Hartini Wan Jusoh, Hafizan Juahir, Nurfarahana Mohd Nasir, Setyo Budi Kurniawan, Ahmad Jusoh and Nor Aida MahiddinE3S Web Conf., 437 (2023) 03006DOI: https://doi.org/10.1051/e3sconf/202343703006