Effects of Organic Acids on Adsorption of Cadmium onto Kaolinite, Goethite, and Bayerite1
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2023, Ecotoxicology and Environmental SafetyEffects of organic acids on heavy metal release or immobilization in contaminated soil
2022, Transactions of Nonferrous Metals Society of China (English Edition)Enhanced transport of heavy metal ions by low-molecular-weight organic acids in saturated porous media: Link complex stability constants to heavy metal mobility
2022, ChemosphereCitation Excerpt :Generally, a greater complexation stability constant indicates more stable organic–metal complexes (Liu et al., 2017). Up to now, the stability constant of metal-ion complexes has been used to explain the adsorption and desorption of heavy metal ions onto environmental media (e.g., soils and inorganic minerals) (Huang et al., 2010; Jiang et al., 2012; Li et al., 2014; Liao, 2006; Najafi and Jalali, 2015; Schwab et al., 2005). Furthermore, Liu et al. (2017) reported that LMWOAs reduced Cd toxicity to earthworms followed the declined order of acetic acid < malic acid < oxalic acid < citric acid < ethylenediamine tetraacetic acid, which closely related to the stability of the metal-organic acid complexes.
Effect of co-presence of NSAIDs with cadmium: i) evaluation of NSAID-bearing water for washing Cd from soil, ii) Cd removal from NSAID-bearing water using magnetic graphene oxide
2022, Emerging ContaminantsCitation Excerpt :El-Sheikh et al. [25] studied presence of aspartic acid, citric acid, and ascorbic acid on Cd(II) removal by magnetite (Mag) and magnetic carbon nanotubes. Min [26] showed the effect of organic acids (acetic, oxalic, and citric) on Cd(II) uptake by clay minerals (goethite, kaolinite, bayerite). Lackovic et al. [27] found that citric acid enhanced Cd(II) uptake by kaolinite or illite.
Transport of Cd<sup>2+</sup> through saturated porous media: Insight into the effects of low-molecular-weight organic acids
2020, Water ResearchCitation Excerpt :The ζ-potential values of sand at pH 7.0 were more negative than that at pH 5.0 (Table S4). Therefore, more Cd2+ could be adsorbed via the electrostatic adsorption reactions (Liao, 2006), and Cd2+ may be irreversibly adsorbed to grains at pH 7.0 (Dijkstra et al., 2004). Thus, the potential mobility of Cd2+ is lower under neutral conditions.
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Supported by the National Key Basic Research Support Foundation of China (No. 2002CB410804) and the National Natural Science Foundation of China (No. 40201026).