Macro- and microspectroscopic study of Nd (III) uptake mechanisms in hardened cement paste

Environmental Science and Technology

Volumn 43, Issue 21, 2009, Pages 8462-8468

  Mandaliev, Peter ^a,b,d   Dähn, Rainer ^a   Wehrli, Bernhard ^b,c   Wieland, Erich ^a  

^a PAUL SCHERRER INSTITUTE   (Switzerland)

^b ETH ZURICH   (Switzerland)

^c SWISS FEDERAL INSTITUTE OF AQUATIC SCIENCE AND TECHNOLOGY   (Switzerland)

^d SWISS FEDERAL LABORATORIES FOR MATERIALS SCIENCE AND TECHNOLOGY   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

BINDING MECHANISMS; CALCIUM SILICATE HYDRATE; CEMENT MATRIX; CEMENT SAMPLE; CEMENT-BASED REPOSITORY; COORDINATION ENVIRONMENT; EXAFS; EXAFS DATA; HARDENED CEMENT PASTE; IMMOBILIZATION PROCESS; MOLECULAR LEVELS; ND-DOPED; REACTION TIME; SAFE DISPOSALS; SEM; STRUCTURAL PARAMETER; TRIVALENT ACTINIDES; TRIVALENT LANTHANIDES; UPTAKE MECHANISM; X RAY FLUORESCENCE;

ABSORPTION SPECTROSCOPY; ACTINIDES; CALCIUM; COORDINATION REACTIONS; HARDENING; HYDRATES; INDUSTRIAL WASTE TREATMENT; NEODYMIUM; NEUTRON DETECTORS; OIL WELL CEMENTING; RADIOACTIVE WASTE DISPOSAL; RADIOACTIVE WASTES; RADIOACTIVITY; SCANNING ELECTRON MICROSCOPY; SILICATES; WASTE DISPOSAL;

CEMENTS;

ACTINIDE; CALCIUM SILICATE; CEMENT; IRON; LANTHANIDE; NEODYMIUM;

ACTINIDE; CEMENT; IMMOBILIZATION; NEODYMIUM; RADIOACTIVE WASTE; REPOSITORY; SCANNING ELECTRON MICROSCOPY; SPECTROSCOPY; WASTE DISPOSAL; X-RAY FLUORESCENCE;

ABSORPTION SPECTROSCOPY; ARTICLE; CHEMICAL STRUCTURE; MICROSPECTROPHOTOMETRY; RADIOACTIVE WASTE; SCANNING ELECTROCHEMICAL MICROSCOPY; X RAY FLUORESCENCE;

CONSTRUCTION MATERIALS; MICROSCOPY, ELECTRON, SCANNING; NEODYMIUM; RADIOACTIVE WASTE; REFUSE DISPOSAL; SPECTRUM ANALYSIS; WASTE MANAGEMENT; X-RAY ABSORPTION SPECTROSCOPY;

EID: 70350769414     PISSN: 0013936X     EISSN: 15205851     Source Type: Journal    
DOI: 10.1021/es902016q     Document Type: Article

References (25)

1. Chapman, N.; McCombie, C. Principles and Standards for the Disposal of Long-Lived Radioactive Wastes; Waste Management Series 3; Elsevier: Amsterdam, 2003.
2. Shannon, R. Revised effective ionic radii and systematic studies of interatomic distances in halides and chalcogenides. Acta Crystallogr. A 1976, 32 (5), 751-767.
3. Atkins, M.; Glasser, F. P. Application of Portland cement-based materials to radioactive waste immobilization. Waste Manage. 1992, 12, 105-131.
4. Vespa, M.; Dähn, R.; Gallucci, E.; Grolimund, D.; Wieland, E.; Scheidegger, A. M. Micro-scale investigation of Ni uptake by cement using a combination of scanning electron microscopy and synchrotron-based techniques. Environ. Sci. Technol. 2006, 40 (24), 7702-7709. (Pubitemid 46012565)
5. Vespa, M.; Dähn, R.; Grolimund, D.; Harfouche, M.; Wieland, E.; Scheidegger, A. M. Speciation of heavy metals in cement-stabilized waste forms:Amicro-spectroscopic study. J. Geochem. Explor. 2006, 88, 77-80. (Pubitemid 43173804)
6. Stumpf, T.; Tits, J.; Walther, C.; Wieland, E.; Fanghänel, T. Uptake of trivalent actinides (curium(III)) by hardened cement paste: a time-resolved laser fluorescence spectroscopy study. J. Colloid Interface Sci. 2004, 276 (1), 118-124. (Pubitemid 38828232)
7. Schlegel, M. L.; Pointeau, I.; Coreau, N.; Reiller, P. Mechanism of Europium retention by calcium silicate hydrates: An EXAFS study. Environ. Sci. Technol. 2004, 38 (16), 4423-4431. (Pubitemid 39095240)
8. Tits, J.; Stumpf, T.; Rabung, T.; Wieland, E.; Fanghanel, T. Uptake of Cm(III) and Eu(III) by calcium silicate hydrates: A solution chemistry and time-resolved laser fluorescence spectroscopy study. Environ. Sci. Technol. 2003, 37 (16), 3568-3573.
9. Vespa, M.; Dähn, R.; Grolimund, D.; Wieland, E.; Scheidegger, A. M. Spectroscopic investigation of Ni speciation in hardened cement paste. Environ. Sci. Technol. 2006, 40 (7), 2275-2282.
10. Vespa, M.; Dähn, R.; Grolimund, D.; Wieland, E.; Scheidegger, A. M. Co speciation in hardened cement paste: A macro- and micro-spectroscopic anvestigation. Environ. Sci. Technol. 2007, 41 (6), 1902-1908.
11. Wieland, E.; Tits, J.; Ulrich, A.; Bradbury, M. H. Experimental evidence for solubility limitation of the aqueous Ni(II) concentration and isotopic exchange of Ni-63 in cementitious systems. Radiochim. Acta 2006, 94 (1), 29-36.
12. Marcus, M. A.; MacDowell, A. A.; Celestre, R.; Manceau, A.; Miller, T.; Padmore, H. A.; Sublett, R. E. Beamline 10.3.2 at ALS: a hard X-ray microprobe for environmental and materials sciences. J. Synchrotron Radiat. 2004, 11 (3), 239-247.
13. Newville, M. EXAFS analysis using FEFF and FEFFIT. J. Synchrotron Radiat. 2001, 8 (2), 96-100. (Pubitemid 33661316)
14. Ravel, B.; Newville, M. ATHENA, ARTEMIS, HEPHAESTUS: data analysis for X-ray absorption spectroscopy using IFEFFIT. J. Synchrotron Radiat. 2005, 12, 537-541.
15. Bacchi, A.; Lamzin, V. S.; Wilson, K. S. A self-validation technique for protein structure refinement: the extended Hamilton test. Acta Crystallogr. 1996, D 52 (4), 641-646.
16. Downward, L.; Booth, C. H.; Lukens,W. W.; Bridges, F. Avariation of the F- test for determining statistical relevance of particular parameters in EXAFS fits. AIP Conference Proc. 2007, 882 (1), 129-131.
17. Hamilton, W. Significance tests on the crystallographic R factor. Acta Crystallogr. 1965, 18 (3), 502-510.
18. Scrivener, K. L. Backscattered electron imaging of cementitious microstructures: understanding and quantification. Cem. Concr. Res. 2004, 26 (8), 935-945.
19. Stumpf, S.; Stumpf, T.; Dardenne, K.; Hennig, C.; Foerstendorf, H.; Klenze, R.; Fanghanel, T. Sorption of Am(III) onto 6-line-ferrihydrite and its alteration products: Investigations by EXAFS. Environ. Sci. Technol. 2006, 40 (11), 3522-3528. (Pubitemid 43830960)
20. Mandaliev, P.; Wieland, E.; Daehn, R.; Tits, J.; Wehrli, B. EXAFS study of Nd (III) binding to amorphous calcium silicate hydrates (C-S-H) J. Colloid Interface Sci. 2008, in press.
21. Lothenbach, B.; Wieland, E. A thermodynamic approach to the hydration of sulphate-resisting Portland cement. Waste Manage. 2006, 26 (7), 706-719.
22. Lothenbach, B.; Winnefeld, F. Thermodynamic modelling of the hydration of Portland cement. Cem. Concr. Res. 2006, 36 (2), 209-226. (Pubitemid 43113324)
23. Mandaliev, P. Mechanisms of Nd(III) and Eu(III) uptake by cementitious materials. Swiss Federal Institute of Technology Zürich (ETH), Diss. ETH Nr. 18095, Zürich, 2008 (http://les. web.psi.ch/IndexphD.html).
24. Merlino, S.; Bonaccorsi, E.; Armbruster, T. The real structure of tobermorite 11 Å: normal and anomalous forms, OD character and polytypic modifications. Eur. J. Mineral. 2001, 13, 577-590. (Pubitemid 32533395)
25. Glasser, F. P. Characterisation of the barrier performance of cements. Mater. Res. Soc. Symp. Proc. 2002, 713, 721-732.