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Performance and mechanisms for Cd(II) and As(III) simultaneous adsorption by goethite-loaded montmorillonite in aqueous solution and soil
dc.creator | Zhao, Chenchen | |
dc.creator | Yao, Jun | |
dc.creator | Šolević Knudsen, Tatjana | |
dc.creator | Liu, Jianli | |
dc.creator | Zhu, Xiaozhe | |
dc.creator | Ma, Bo | |
dc.creator | Li, Hao | |
dc.creator | Cao, Ying | |
dc.creator | Liu, Bang | |
dc.date.accessioned | 2023-01-31T00:50:57Z | |
dc.date.available | 2023-01-31T00:50:57Z | |
dc.date.issued | 2023 | |
dc.identifier.issn | 1095-8630 | |
dc.identifier.issn | 0301-4797 | |
dc.identifier.uri | https://cer.ihtm.bg.ac.rs/handle/123456789/5646 | |
dc.description.abstract | A series of goethite-modified montmorillonite (GMt) materials was synthesized for the amelioration of cationic cadmium (Cd) and anionic arsenic (As) complex contaminants in soil and water bodies. The results showed that goethite (Gt) was successfully loaded onto the surface of montmorillonite (Mt), which possessed more functional groups (such as Fe–O, and Fe–OH) and a larger specific surface area. GMt-0.5 (Mt loaded with Gt at a ratio of 0.5:1) showed the highest adsorption capacity for Cd(II) and As(III) with the maximum of 50.61 mg/g and 57.58 mg/g, respectively. The removal rate of Cd(II) was highly pH dependent, while the removal rate of As(III) showed little dependence on pH. The goethite on montmorillonite might contribute to the formation of surface complexes with As(III) and oxidation of As(III) to As(V). In the binary system, both, synergistic and competitive adsorption existed simultaneously. Importantly, in the binary system, the removal of As(III) was more favorable because of the electrostatic interaction, formation of a ternary complex, and co-precipitation. In addition, the amendment of GMt-0.5 significantly reduced the availability of Cd and As in the soil. This study suggests that GMt-0.5 is a promising candidate for the simultaneous immobilization of metal (loid)s in both, aqueous solution and mine soil. | sr |
dc.language.iso | en | sr |
dc.publisher | Elsevier B.V. | sr |
dc.relation | info:eu-repo/grantAgreement/MESTD/inst-2020/200026/RS// | sr |
dc.relation | The Chinese Ministry of Science and Technology ( project no 2019YFC1803500) | sr |
dc.relation | The National Science Foundation of China (project no 41720104007) | sr |
dc.relation | The 111 Project (B21017) | sr |
dc.relation | The People’s Republic of China and the Republic of Serbia ( project Number 4–18 ) | sr |
dc.rights | restrictedAccess | sr |
dc.source | Journal of Environmental Management | sr |
dc.subject | Goethite-modified montmorillonite | sr |
dc.subject | Cadmium | sr |
dc.subject | Arsenic | sr |
dc.subject | Simultaneous immobilization | sr |
dc.subject | Mine soil | sr |
dc.title | Performance and mechanisms for Cd(II) and As(III) simultaneous adsorption by goethite-loaded montmorillonite in aqueous solution and soil | sr |
dc.type | article | sr |
dc.rights.license | ARR | sr |
dc.citation.volume | 330 | |
dc.citation.spage | 117163 | |
dc.citation.rank | M21~ | |
dc.identifier.pmid | 36603255 | |
dc.identifier.doi | 10.1016/j.jenvman.2022.117163 | |
dc.identifier.scopus | 2-s2.0-85145678191 | |
dc.identifier.wos | 000920728700001 | |
dc.type.version | publishedVersion | sr |