Sodium alginate gel microspheres with magnetic illite-biochar for efficient removal of cadmium and thallium from contaminated groundwater: Structural characteristics, performance and mechanisms - Anying Lai; Yu Liu; Guanzhe Huang; Lezhang Wei; Dinggui Luo; Qihang Wu; Xuexia Huang; Jinli Cui; Tangfu Xiao (Journal of Contaminant Hydrology, 2026)