Multi-cation exchanges involved in cesium and potassium sorption mechanisms on vermiculite and micaceous structures
Abstract Vermiculite and micaceous minerals are relevant $ Cs^{+} $ sorbents in soils and sediments. To understand the bioavailability of $ Cs^{+} $ in soils resulting from multi-cation exchanges, sorption of $ Cs^{+} $ onto clay minerals was performed in batch experiments with solutions containing...
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| Autor*in: |
Dubus, Julien [verfasserIn] |
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| Sprache: |
Englisch |
| Erschienen: |
2022 |
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© The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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Enthalten in: Environmental science and pollution research - Springer Berlin Heidelberg, 1994, 30(2022), 1 vom: 02. Aug., Seite 1579-1594 |
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| Übergeordnetes Werk: |
volume:30 ; year:2022 ; number:1 ; day:02 ; month:08 ; pages:1579-1594 |
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| DOI / URN: |
10.1007/s11356-022-22321-4 |
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| 520 | |a Abstract Vermiculite and micaceous minerals are relevant $ Cs^{+} $ sorbents in soils and sediments. To understand the bioavailability of $ Cs^{+} $ in soils resulting from multi-cation exchanges, sorption of $ Cs^{+} $ onto clay minerals was performed in batch experiments with solutions containing $ Ca^{2+} $, $ Mg^{2+} $, and $ K^{+} $. A sequence between a vermiculite and various micaceous structures has been carried out by conditioning a vermiculite at various amounts of K. Competing cation exchanges were investigated as function of $ Cs^{+} $ concentration. The contribution of $ K^{+} $ on trace $ Cs^{+} $ desorption is probed by applying different concentrations of $ K^{+} $ on Cs-doped vermiculite and micaceous structures. Cs sorption isotherms at chemical equilibrium were combined with elemental mass balances in solution and structural analyses. $ Cs^{+} $ replaces easily $ Mg^{2+} $ > $ Ca^{2+} $ and competes scarcely with $ K^{+} $. $ Cs^{+} $ is strongly adsorbed on the various matrix, and a K/Cs ratio of about a thousand is required to remobilize $ Cs^{+} $. $ Cs^{+} $ is exchangeable as long as the clay interlayer space remains open to $ Ca^{2+} $. However, an excess of $ K^{+} $, as well as $ Cs^{+} $, in solution leads to the collapse of the interlayer spaces that locks the Cs into the structure. Once $ K^{+} $ and/or $ Cs^{+} $ collapse the interlayer space, the external sorption sites are then particularly involved in Cs sorption. Subsequently, $ Cs^{+} $ preferentially exchanges with $ Ca^{2+} $ rather than $ Mg^{2+} $. $ Mg^{2+} $ is extruded from the interlayer space by $ Cs^{+} $ and $ K^{+} $ adsorption, excluded from short interlayer space and replaced by $ Ca^{2+} $ as $ Cs^{+} $ desorbs. | ||
| 650 | 4 | |a Cesium | |
| 650 | 4 | |a Cation exchange | |
| 650 | 4 | |a Interlayer collapse | |
| 650 | 4 | |a Vermiculite | |
| 650 | 4 | |a Potassium | |
| 700 | 1 | |a Leonhardt, Nathalie |4 aut | |
| 700 | 1 | |a Latrille, Christelle |4 aut | |
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10.1007/s11356-022-22321-4 doi (DE-627)OLC2080232436 (DE-He213)s11356-022-22321-4-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Dubus, Julien verfasserin aut Multi-cation exchanges involved in cesium and potassium sorption mechanisms on vermiculite and micaceous structures 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Vermiculite and micaceous minerals are relevant $ Cs^{+} $ sorbents in soils and sediments. To understand the bioavailability of $ Cs^{+} $ in soils resulting from multi-cation exchanges, sorption of $ Cs^{+} $ onto clay minerals was performed in batch experiments with solutions containing $ Ca^{2+} $, $ Mg^{2+} $, and $ K^{+} $. A sequence between a vermiculite and various micaceous structures has been carried out by conditioning a vermiculite at various amounts of K. Competing cation exchanges were investigated as function of $ Cs^{+} $ concentration. The contribution of $ K^{+} $ on trace $ Cs^{+} $ desorption is probed by applying different concentrations of $ K^{+} $ on Cs-doped vermiculite and micaceous structures. Cs sorption isotherms at chemical equilibrium were combined with elemental mass balances in solution and structural analyses. $ Cs^{+} $ replaces easily $ Mg^{2+} $ > $ Ca^{2+} $ and competes scarcely with $ K^{+} $. $ Cs^{+} $ is strongly adsorbed on the various matrix, and a K/Cs ratio of about a thousand is required to remobilize $ Cs^{+} $. $ Cs^{+} $ is exchangeable as long as the clay interlayer space remains open to $ Ca^{2+} $. However, an excess of $ K^{+} $, as well as $ Cs^{+} $, in solution leads to the collapse of the interlayer spaces that locks the Cs into the structure. Once $ K^{+} $ and/or $ Cs^{+} $ collapse the interlayer space, the external sorption sites are then particularly involved in Cs sorption. Subsequently, $ Cs^{+} $ preferentially exchanges with $ Ca^{2+} $ rather than $ Mg^{2+} $. $ Mg^{2+} $ is extruded from the interlayer space by $ Cs^{+} $ and $ K^{+} $ adsorption, excluded from short interlayer space and replaced by $ Ca^{2+} $ as $ Cs^{+} $ desorbs. Cesium Cation exchange Interlayer collapse Vermiculite Potassium Leonhardt, Nathalie aut Latrille, Christelle aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 30(2022), 1 vom: 02. Aug., Seite 1579-1594 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:30 year:2022 number:1 day:02 month:08 pages:1579-1594 https://doi.org/10.1007/s11356-022-22321-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_252 GBV_ILN_267 GBV_ILN_2018 GBV_ILN_4277 AR 30 2022 1 02 08 1579-1594 |
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10.1007/s11356-022-22321-4 doi (DE-627)OLC2080232436 (DE-He213)s11356-022-22321-4-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Dubus, Julien verfasserin aut Multi-cation exchanges involved in cesium and potassium sorption mechanisms on vermiculite and micaceous structures 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Vermiculite and micaceous minerals are relevant $ Cs^{+} $ sorbents in soils and sediments. To understand the bioavailability of $ Cs^{+} $ in soils resulting from multi-cation exchanges, sorption of $ Cs^{+} $ onto clay minerals was performed in batch experiments with solutions containing $ Ca^{2+} $, $ Mg^{2+} $, and $ K^{+} $. A sequence between a vermiculite and various micaceous structures has been carried out by conditioning a vermiculite at various amounts of K. Competing cation exchanges were investigated as function of $ Cs^{+} $ concentration. The contribution of $ K^{+} $ on trace $ Cs^{+} $ desorption is probed by applying different concentrations of $ K^{+} $ on Cs-doped vermiculite and micaceous structures. Cs sorption isotherms at chemical equilibrium were combined with elemental mass balances in solution and structural analyses. $ Cs^{+} $ replaces easily $ Mg^{2+} $ > $ Ca^{2+} $ and competes scarcely with $ K^{+} $. $ Cs^{+} $ is strongly adsorbed on the various matrix, and a K/Cs ratio of about a thousand is required to remobilize $ Cs^{+} $. $ Cs^{+} $ is exchangeable as long as the clay interlayer space remains open to $ Ca^{2+} $. However, an excess of $ K^{+} $, as well as $ Cs^{+} $, in solution leads to the collapse of the interlayer spaces that locks the Cs into the structure. Once $ K^{+} $ and/or $ Cs^{+} $ collapse the interlayer space, the external sorption sites are then particularly involved in Cs sorption. Subsequently, $ Cs^{+} $ preferentially exchanges with $ Ca^{2+} $ rather than $ Mg^{2+} $. $ Mg^{2+} $ is extruded from the interlayer space by $ Cs^{+} $ and $ K^{+} $ adsorption, excluded from short interlayer space and replaced by $ Ca^{2+} $ as $ Cs^{+} $ desorbs. Cesium Cation exchange Interlayer collapse Vermiculite Potassium Leonhardt, Nathalie aut Latrille, Christelle aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 30(2022), 1 vom: 02. Aug., Seite 1579-1594 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:30 year:2022 number:1 day:02 month:08 pages:1579-1594 https://doi.org/10.1007/s11356-022-22321-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_252 GBV_ILN_267 GBV_ILN_2018 GBV_ILN_4277 AR 30 2022 1 02 08 1579-1594 |
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10.1007/s11356-022-22321-4 doi (DE-627)OLC2080232436 (DE-He213)s11356-022-22321-4-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Dubus, Julien verfasserin aut Multi-cation exchanges involved in cesium and potassium sorption mechanisms on vermiculite and micaceous structures 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Vermiculite and micaceous minerals are relevant $ Cs^{+} $ sorbents in soils and sediments. To understand the bioavailability of $ Cs^{+} $ in soils resulting from multi-cation exchanges, sorption of $ Cs^{+} $ onto clay minerals was performed in batch experiments with solutions containing $ Ca^{2+} $, $ Mg^{2+} $, and $ K^{+} $. A sequence between a vermiculite and various micaceous structures has been carried out by conditioning a vermiculite at various amounts of K. Competing cation exchanges were investigated as function of $ Cs^{+} $ concentration. The contribution of $ K^{+} $ on trace $ Cs^{+} $ desorption is probed by applying different concentrations of $ K^{+} $ on Cs-doped vermiculite and micaceous structures. Cs sorption isotherms at chemical equilibrium were combined with elemental mass balances in solution and structural analyses. $ Cs^{+} $ replaces easily $ Mg^{2+} $ > $ Ca^{2+} $ and competes scarcely with $ K^{+} $. $ Cs^{+} $ is strongly adsorbed on the various matrix, and a K/Cs ratio of about a thousand is required to remobilize $ Cs^{+} $. $ Cs^{+} $ is exchangeable as long as the clay interlayer space remains open to $ Ca^{2+} $. However, an excess of $ K^{+} $, as well as $ Cs^{+} $, in solution leads to the collapse of the interlayer spaces that locks the Cs into the structure. Once $ K^{+} $ and/or $ Cs^{+} $ collapse the interlayer space, the external sorption sites are then particularly involved in Cs sorption. Subsequently, $ Cs^{+} $ preferentially exchanges with $ Ca^{2+} $ rather than $ Mg^{2+} $. $ Mg^{2+} $ is extruded from the interlayer space by $ Cs^{+} $ and $ K^{+} $ adsorption, excluded from short interlayer space and replaced by $ Ca^{2+} $ as $ Cs^{+} $ desorbs. Cesium Cation exchange Interlayer collapse Vermiculite Potassium Leonhardt, Nathalie aut Latrille, Christelle aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 30(2022), 1 vom: 02. Aug., Seite 1579-1594 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:30 year:2022 number:1 day:02 month:08 pages:1579-1594 https://doi.org/10.1007/s11356-022-22321-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_252 GBV_ILN_267 GBV_ILN_2018 GBV_ILN_4277 AR 30 2022 1 02 08 1579-1594 |
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10.1007/s11356-022-22321-4 doi (DE-627)OLC2080232436 (DE-He213)s11356-022-22321-4-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Dubus, Julien verfasserin aut Multi-cation exchanges involved in cesium and potassium sorption mechanisms on vermiculite and micaceous structures 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Vermiculite and micaceous minerals are relevant $ Cs^{+} $ sorbents in soils and sediments. To understand the bioavailability of $ Cs^{+} $ in soils resulting from multi-cation exchanges, sorption of $ Cs^{+} $ onto clay minerals was performed in batch experiments with solutions containing $ Ca^{2+} $, $ Mg^{2+} $, and $ K^{+} $. A sequence between a vermiculite and various micaceous structures has been carried out by conditioning a vermiculite at various amounts of K. Competing cation exchanges were investigated as function of $ Cs^{+} $ concentration. The contribution of $ K^{+} $ on trace $ Cs^{+} $ desorption is probed by applying different concentrations of $ K^{+} $ on Cs-doped vermiculite and micaceous structures. Cs sorption isotherms at chemical equilibrium were combined with elemental mass balances in solution and structural analyses. $ Cs^{+} $ replaces easily $ Mg^{2+} $ > $ Ca^{2+} $ and competes scarcely with $ K^{+} $. $ Cs^{+} $ is strongly adsorbed on the various matrix, and a K/Cs ratio of about a thousand is required to remobilize $ Cs^{+} $. $ Cs^{+} $ is exchangeable as long as the clay interlayer space remains open to $ Ca^{2+} $. However, an excess of $ K^{+} $, as well as $ Cs^{+} $, in solution leads to the collapse of the interlayer spaces that locks the Cs into the structure. Once $ K^{+} $ and/or $ Cs^{+} $ collapse the interlayer space, the external sorption sites are then particularly involved in Cs sorption. Subsequently, $ Cs^{+} $ preferentially exchanges with $ Ca^{2+} $ rather than $ Mg^{2+} $. $ Mg^{2+} $ is extruded from the interlayer space by $ Cs^{+} $ and $ K^{+} $ adsorption, excluded from short interlayer space and replaced by $ Ca^{2+} $ as $ Cs^{+} $ desorbs. Cesium Cation exchange Interlayer collapse Vermiculite Potassium Leonhardt, Nathalie aut Latrille, Christelle aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 30(2022), 1 vom: 02. Aug., Seite 1579-1594 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:30 year:2022 number:1 day:02 month:08 pages:1579-1594 https://doi.org/10.1007/s11356-022-22321-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_252 GBV_ILN_267 GBV_ILN_2018 GBV_ILN_4277 AR 30 2022 1 02 08 1579-1594 |
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10.1007/s11356-022-22321-4 doi (DE-627)OLC2080232436 (DE-He213)s11356-022-22321-4-p DE-627 ger DE-627 rakwb eng 570 360 333.7 VZ 690 333.7 540 VZ BIODIV DE-30 fid Dubus, Julien verfasserin aut Multi-cation exchanges involved in cesium and potassium sorption mechanisms on vermiculite and micaceous structures 2022 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Vermiculite and micaceous minerals are relevant $ Cs^{+} $ sorbents in soils and sediments. To understand the bioavailability of $ Cs^{+} $ in soils resulting from multi-cation exchanges, sorption of $ Cs^{+} $ onto clay minerals was performed in batch experiments with solutions containing $ Ca^{2+} $, $ Mg^{2+} $, and $ K^{+} $. A sequence between a vermiculite and various micaceous structures has been carried out by conditioning a vermiculite at various amounts of K. Competing cation exchanges were investigated as function of $ Cs^{+} $ concentration. The contribution of $ K^{+} $ on trace $ Cs^{+} $ desorption is probed by applying different concentrations of $ K^{+} $ on Cs-doped vermiculite and micaceous structures. Cs sorption isotherms at chemical equilibrium were combined with elemental mass balances in solution and structural analyses. $ Cs^{+} $ replaces easily $ Mg^{2+} $ > $ Ca^{2+} $ and competes scarcely with $ K^{+} $. $ Cs^{+} $ is strongly adsorbed on the various matrix, and a K/Cs ratio of about a thousand is required to remobilize $ Cs^{+} $. $ Cs^{+} $ is exchangeable as long as the clay interlayer space remains open to $ Ca^{2+} $. However, an excess of $ K^{+} $, as well as $ Cs^{+} $, in solution leads to the collapse of the interlayer spaces that locks the Cs into the structure. Once $ K^{+} $ and/or $ Cs^{+} $ collapse the interlayer space, the external sorption sites are then particularly involved in Cs sorption. Subsequently, $ Cs^{+} $ preferentially exchanges with $ Ca^{2+} $ rather than $ Mg^{2+} $. $ Mg^{2+} $ is extruded from the interlayer space by $ Cs^{+} $ and $ K^{+} $ adsorption, excluded from short interlayer space and replaced by $ Ca^{2+} $ as $ Cs^{+} $ desorbs. Cesium Cation exchange Interlayer collapse Vermiculite Potassium Leonhardt, Nathalie aut Latrille, Christelle aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 30(2022), 1 vom: 02. Aug., Seite 1579-1594 (DE-627)171335805 (DE-600)1178791-0 (DE-576)038875101 0944-1344 nnns volume:30 year:2022 number:1 day:02 month:08 pages:1579-1594 https://doi.org/10.1007/s11356-022-22321-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OLC-DE-84 GBV_ILN_252 GBV_ILN_267 GBV_ILN_2018 GBV_ILN_4277 AR 30 2022 1 02 08 1579-1594 |
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multi-cation exchanges involved in cesium and potassium sorption mechanisms on vermiculite and micaceous structures |
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Multi-cation exchanges involved in cesium and potassium sorption mechanisms on vermiculite and micaceous structures |
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Abstract Vermiculite and micaceous minerals are relevant $ Cs^{+} $ sorbents in soils and sediments. To understand the bioavailability of $ Cs^{+} $ in soils resulting from multi-cation exchanges, sorption of $ Cs^{+} $ onto clay minerals was performed in batch experiments with solutions containing $ Ca^{2+} $, $ Mg^{2+} $, and $ K^{+} $. A sequence between a vermiculite and various micaceous structures has been carried out by conditioning a vermiculite at various amounts of K. Competing cation exchanges were investigated as function of $ Cs^{+} $ concentration. The contribution of $ K^{+} $ on trace $ Cs^{+} $ desorption is probed by applying different concentrations of $ K^{+} $ on Cs-doped vermiculite and micaceous structures. Cs sorption isotherms at chemical equilibrium were combined with elemental mass balances in solution and structural analyses. $ Cs^{+} $ replaces easily $ Mg^{2+} $ > $ Ca^{2+} $ and competes scarcely with $ K^{+} $. $ Cs^{+} $ is strongly adsorbed on the various matrix, and a K/Cs ratio of about a thousand is required to remobilize $ Cs^{+} $. $ Cs^{+} $ is exchangeable as long as the clay interlayer space remains open to $ Ca^{2+} $. However, an excess of $ K^{+} $, as well as $ Cs^{+} $, in solution leads to the collapse of the interlayer spaces that locks the Cs into the structure. Once $ K^{+} $ and/or $ Cs^{+} $ collapse the interlayer space, the external sorption sites are then particularly involved in Cs sorption. Subsequently, $ Cs^{+} $ preferentially exchanges with $ Ca^{2+} $ rather than $ Mg^{2+} $. $ Mg^{2+} $ is extruded from the interlayer space by $ Cs^{+} $ and $ K^{+} $ adsorption, excluded from short interlayer space and replaced by $ Ca^{2+} $ as $ Cs^{+} $ desorbs. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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Abstract Vermiculite and micaceous minerals are relevant $ Cs^{+} $ sorbents in soils and sediments. To understand the bioavailability of $ Cs^{+} $ in soils resulting from multi-cation exchanges, sorption of $ Cs^{+} $ onto clay minerals was performed in batch experiments with solutions containing $ Ca^{2+} $, $ Mg^{2+} $, and $ K^{+} $. A sequence between a vermiculite and various micaceous structures has been carried out by conditioning a vermiculite at various amounts of K. Competing cation exchanges were investigated as function of $ Cs^{+} $ concentration. The contribution of $ K^{+} $ on trace $ Cs^{+} $ desorption is probed by applying different concentrations of $ K^{+} $ on Cs-doped vermiculite and micaceous structures. Cs sorption isotherms at chemical equilibrium were combined with elemental mass balances in solution and structural analyses. $ Cs^{+} $ replaces easily $ Mg^{2+} $ > $ Ca^{2+} $ and competes scarcely with $ K^{+} $. $ Cs^{+} $ is strongly adsorbed on the various matrix, and a K/Cs ratio of about a thousand is required to remobilize $ Cs^{+} $. $ Cs^{+} $ is exchangeable as long as the clay interlayer space remains open to $ Ca^{2+} $. However, an excess of $ K^{+} $, as well as $ Cs^{+} $, in solution leads to the collapse of the interlayer spaces that locks the Cs into the structure. Once $ K^{+} $ and/or $ Cs^{+} $ collapse the interlayer space, the external sorption sites are then particularly involved in Cs sorption. Subsequently, $ Cs^{+} $ preferentially exchanges with $ Ca^{2+} $ rather than $ Mg^{2+} $. $ Mg^{2+} $ is extruded from the interlayer space by $ Cs^{+} $ and $ K^{+} $ adsorption, excluded from short interlayer space and replaced by $ Ca^{2+} $ as $ Cs^{+} $ desorbs. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
| abstract_unstemmed |
Abstract Vermiculite and micaceous minerals are relevant $ Cs^{+} $ sorbents in soils and sediments. To understand the bioavailability of $ Cs^{+} $ in soils resulting from multi-cation exchanges, sorption of $ Cs^{+} $ onto clay minerals was performed in batch experiments with solutions containing $ Ca^{2+} $, $ Mg^{2+} $, and $ K^{+} $. A sequence between a vermiculite and various micaceous structures has been carried out by conditioning a vermiculite at various amounts of K. Competing cation exchanges were investigated as function of $ Cs^{+} $ concentration. The contribution of $ K^{+} $ on trace $ Cs^{+} $ desorption is probed by applying different concentrations of $ K^{+} $ on Cs-doped vermiculite and micaceous structures. Cs sorption isotherms at chemical equilibrium were combined with elemental mass balances in solution and structural analyses. $ Cs^{+} $ replaces easily $ Mg^{2+} $ > $ Ca^{2+} $ and competes scarcely with $ K^{+} $. $ Cs^{+} $ is strongly adsorbed on the various matrix, and a K/Cs ratio of about a thousand is required to remobilize $ Cs^{+} $. $ Cs^{+} $ is exchangeable as long as the clay interlayer space remains open to $ Ca^{2+} $. However, an excess of $ K^{+} $, as well as $ Cs^{+} $, in solution leads to the collapse of the interlayer spaces that locks the Cs into the structure. Once $ K^{+} $ and/or $ Cs^{+} $ collapse the interlayer space, the external sorption sites are then particularly involved in Cs sorption. Subsequently, $ Cs^{+} $ preferentially exchanges with $ Ca^{2+} $ rather than $ Mg^{2+} $. $ Mg^{2+} $ is extruded from the interlayer space by $ Cs^{+} $ and $ K^{+} $ adsorption, excluded from short interlayer space and replaced by $ Ca^{2+} $ as $ Cs^{+} $ desorbs. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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The contribution of $ K^{+} $ on trace $ Cs^{+} $ desorption is probed by applying different concentrations of $ K^{+} $ on Cs-doped vermiculite and micaceous structures. Cs sorption isotherms at chemical equilibrium were combined with elemental mass balances in solution and structural analyses. $ Cs^{+} $ replaces easily $ Mg^{2+} $ > $ Ca^{2+} $ and competes scarcely with $ K^{+} $. $ Cs^{+} $ is strongly adsorbed on the various matrix, and a K/Cs ratio of about a thousand is required to remobilize $ Cs^{+} $. $ Cs^{+} $ is exchangeable as long as the clay interlayer space remains open to $ Ca^{2+} $. However, an excess of $ K^{+} $, as well as $ Cs^{+} $, in solution leads to the collapse of the interlayer spaces that locks the Cs into the structure. Once $ K^{+} $ and/or $ Cs^{+} $ collapse the interlayer space, the external sorption sites are then particularly involved in Cs sorption. Subsequently, $ Cs^{+} $ preferentially exchanges with $ Ca^{2+} $ rather than $ Mg^{2+} $. $ Mg^{2+} $ is extruded from the interlayer space by $ Cs^{+} $ and $ K^{+} $ adsorption, excluded from short interlayer space and replaced by $ Ca^{2+} $ as $ Cs^{+} $ desorbs.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Cesium</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Cation exchange</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Interlayer collapse</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Vermiculite</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Potassium</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Leonhardt, Nathalie</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Latrille, Christelle</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Environmental science and pollution research</subfield><subfield code="d">Springer Berlin Heidelberg, 1994</subfield><subfield code="g">30(2022), 1 vom: 02. Aug., Seite 1579-1594</subfield><subfield code="w">(DE-627)171335805</subfield><subfield code="w">(DE-600)1178791-0</subfield><subfield code="w">(DE-576)038875101</subfield><subfield code="x">0944-1344</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:30</subfield><subfield code="g">year:2022</subfield><subfield code="g">number:1</subfield><subfield code="g">day:02</subfield><subfield code="g">month:08</subfield><subfield code="g">pages:1579-1594</subfield></datafield><datafield tag="856" ind1="4" ind2="1"><subfield code="u">https://doi.org/10.1007/s11356-022-22321-4</subfield><subfield code="z">lizenzpflichtig</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_OLC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">FID-BIODIV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-UMW</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-ARC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-TEC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-CHE</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-FOR</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-DE-84</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_252</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_267</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_2018</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_4277</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">30</subfield><subfield code="j">2022</subfield><subfield code="e">1</subfield><subfield code="b">02</subfield><subfield code="c">08</subfield><subfield code="h">1579-1594</subfield></datafield></record></collection>
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