Alum improves particle settling in water treatment through coagulation

Stefan DS, Pauna G, Barbu AA, Aziam R, Stefan AI. Study of Polyurethane Microplastics Removal from Water Using Smart Installation.. 2026. https://doi.org/10.3390/polym18121513

Aluminum sulfate demonstrates high efficacy as a classic coagulant in removing microplastic particles and reducing turbidity in water treatment.

Pathiranage WB, Mendoza R, Majdoub M, Oulhakem O, Alkhateb H, D'Alessio M. Calcined oyster shell powder as a sustainable alternative to chemical coagulants for enhanced turbidity removal: Optimization of coagulation parameters.. 2026. https://doi.org/10.1016/j.jenvman.2026.129466

Alum consistently achieves high turbidity removal (around 99%) across various conditions, serving as a baseline chemical coagulant.

Batista GS, Ferreira VAS, Godoy LGR, Moruzzi RB, Sharifi S, Dos Reis AG. Removal of Microplastics from Drinking Water by <i>Moringa oleifera</i> Seed: Comparative Performance with Alum in Direct and in-Line Filtration Systems.. 2026. https://doi.org/10.1021/acsomega.5c11569

Aluminium sulfate (alum) achieves high removal rates of microplastics and turbidity in both direct and in-line filtration water treatment systems.

Ngandjui YAT, Agendia PA, Kuvarega AT, Tarabara V, Msagati TAM. Effectiveness of Moringa oleifera, chitosan, and alum as adsorbents in lake water treatment.. 2026. https://doi.org/10.1007/s11356-026-37492-7

Alum significantly reduces lake water turbidity through effective adsorption and coagulation mechanisms during jar tests.