Keywords
Ferrihydrite nanoparticles
Adsorption influence
Arsenic
Submitted : 2025-06-30
Accepted : 2025-07-15
Published : 2025-07-30
Abstract
With the accelerated development of industrialization and urbanization, environmental pollution problems have become increasingly severe. In particular, heavy metal pollution has become a global hotspot. As a common iron oxide nanoparticle in soil, ferrihydrite has a significant impact on the adsorption and migration behavior of heavy metals. Humic acid is the main component of soil organic matter; its interaction mechanism with ferrihydrite nanoparticles and its influence on heavy metal adsorption remain incompletely understood. This article reviews the interaction mechanism between humic acid and ferrihydrite nanoparticles, explores the impact of humic acid on the migration behavior of ferrihydrite, and elaborates on the adsorption behavior of arsenic by the humic acid-ferrihydrite system, including changes in the adsorption mechanism, competition and synergy effects, and the influence of environmental parameters, aiming to provide scientific basis and technical support for environmental pollution control.
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