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Lætitia H. Delmau
Research Staff

Engineer Degree (Chemistry), Ecole Supérieure de Physique et de Chimie Industrielles de la ville de Paris, France, 1994
Post-Master degree in Radiochemistry, University Paris VI, France, 1994
Ph.D. Physical Chemistry, University Louis Pasteur of Strasbourg, France, 1997
Postdoctoral Associate, Oak Ridge National Laboratory, 1997 - 2000
Research Scientist, Oak Ridge National Laboratory, 2000 - current

Research Interests:

 Radiochemistry
 Nuclear waste treatment and reprocessing
 Actinides chemistry
 Solvent extraction and ion exchange
 Solution thermodynamics
 Separation chemistry
 Molecular and ion recognition
 Cation and anion coordination chemistry
 Nuclear magnetic resonance

Professional Societies:

American Chemical Society (ACS), Member
ACS Nuclear Chemistry and Technology Division
ACS Industrial and Engineering Chemistry Division
ACS Separation Science and Technology Subdivision

 

Patents:

10 Nov. 08   D. R. Peterman, D. H. Meikrantz, J. D. Law, C. L. Riddle, T. A. Todd, M, R. Greenhalgh, R. D. Tillotson, R. A. Bartsch, B. A. Moyer, L. H. Delmau, P. V. Bonnesen, US Patent, application # 12/268,189 "Extractant compositions for co-extracting cesium and strontium, a method of separating cesium and strontium from an aqueous feed, calixarene compounds, and an alcohol modifier"

18 Jan. 99   J.F. Dozol, H. Rouquette, A. Garcia-Carrera, L.H. Delmau, V. Böhmer, A. Shivanyuk, C. Musigmann, French patent n°99 00442 "Dérivés de calixarènes, leur procédé de préparation et leur utilisation pour l'extraction des actinides et des lanthanides

25 Aug. 97   L.H. Delmau, N. Simon, J.F. Dozol, B. Tournois, C. Roussin-Bouchard, S. Eymard, V. Böhmer, C. Grüttner, A. Shivanyuk, C. Musigmann, French patent n°97.10612 "Procédé de séparation des actinides et des lanthanides par extraction liquide-liquide au moyen de calixarènes"

25 Aug. 97   L.H. Delmau, N. Simon, J.F. Dozol, B. Tournois, C. Roussin-Bouchard, V. Böhmer, R.A. Jakobi, O. Mogck, A. Tunayar, French patent n°97.10613 "Procédé de séparation des actinides et des lanthanides par transport membranaire au moyen d'un calixarène"

Selected Publications:

  1. Wintergerst, M. P.; Levitskaia, T. G.; Moyer, B. A.; Sessler, J. L.; Delmau, L. H. Calix[4]pyrrole: A new ion-pair receptor as demonstrated by liquid-liquid extraction, JACS, 2008, 130(12), 4129-4139
  2. Herbst, R. S.; Peterman, D. R.; Tillotson, R. D.; Delmau, L. H. Fundamental chemistry of cesium extraction from acidic media by HCCD in FS-13, Solvent Extr. Ion Exch., 2008, 26(2), 163-174
  3. Delmau, L. H.; Bonnesen, P. V.; Engle, N. L.; Haverlock, T. J.; Sloop, F. V. Jr; Moyer, B. A. Combined Extraction of Cesium and Strontium from Alkaline Nitrate Solutions. Solvent Extr. Ion Exch., 2006, 24(2), 197-218.
  4. Moyer, B. A.; Birdwell, J. F.; Bonnesen, P. V.; Delmau, L. H. Use of macrocycles in nuclear-waste cleanup: A real-world application of a calixcrown in cesium separation technology, Macrocyclic Chemistry: Current Trends and Future Perspectives, 2005
  5. Delmau, L. H.; Lefranc, T. J.; Bonnesen, P. V.; Bryan, J. C.; Presley, D. J.; Moyer, B. A. Fundamental studies regarding synergism between calix[4]arene-bis(tert-octylbenzo-crown-6) and alcohol modifiers in the solvent extraction of cesium nitrate. Solvent Extr. Ion Exch., 2005, 23(1), 23-57.
  6. Delmau, L. H.; Bonnesen, P. V.; Herlinger, A. W.; Chiarizia, R., Aggregation behaviour of solvent modifiers for the extraction of cesium from caustic media. Solvent Extr. Ion Exch., 2005, 23(2), 145-169.
  7. Custelcean, R.; Delmau, L. H.; Moyer, B. A.; Sessler, J. L.; Cho, W. S.; Gross, D.; Bates, G. W.; Brooks, S. J.; Light, M. E.; Gale, P. A., Calix[4]pyrrole: An old yet new ion-pair receptor. Angewandte Chemie-International Edition 2005, 44(17), 2537-2542.
  8. Delmau, L. H.; Bonnesen, P. V.; Moyer, B. A., A solution to stripping problems caused by organophilic anion impurities in crown-ether-based solvent extraction systems: a case study of cesium removal from radioactive wastes. Hydrometallurgy 2004, 72(1-2), 9-19.
  9. Bazelaire, E.; Gorbunova, M. G.; Bonnesen, P. V.; Moyer, B. A.; Delmau, L. H., PH-Switchable cesium nitrate extraction with calix[4]arene mono and bis(benzo-crown-6) ethers bearing amino functionalities. Solvent Extr. Ion Exch., 2004, 22(4), 637-661.
  10. Gorbunova, M. G.; Bonnesen, P. V.; Engle, N. L.; Bazelaire, E.; Delmau, L. H.; Moyer, B. A., New amino-functionalized 1,3-alternate calix[4]arene bis- and mono-(benzo-crown-6 ethers) for pH-switched cesium nitrate extraction. Tetrahedron Letters 2003, 44(29), 5397-5401.
  11. Bonnesen, P. V.; Delmau, L. H.; Moyer, B. A.; Lumetta, G. J., Development of effective solvent modifiers for the solvent extraction of cesium from alkaline high-level tank waste. Solvent Extr. Ion Exch., 2003, 21(2), 141-170.
  12. Arnaud-Neu, F.; Barboso, S.; Bohmer, V.; Brisach, F.; Delmau, L.; Dozol, J. F.; Mogck, O.; Paulus, E. F.; Saadioui, M.; Shivanyuk, A., Synthesis and extraction behaviour of calix[4]arenes partially substituted at the wide rim by carbamoylmethylphosphine oxide (CMPO) functions. Australian J. Chemistry 2003, 56(11), 1113-1119.
  13. Leonard, R. A.; Conner, C.; Liberatore, M. W.; Sedlet, J.; Aase, S. B.; Vandegrift, G. F.; Delmau, L. H.; Bonnesen, P. V.; Moyer, B. A., Development of a solvent extraction process for cesium removal from SRS tank waste. Separation Science and Technology 2001, 36(5-6), 743-766.
  14. Duchemin, C. R.; Engle, N. L.; Bonnesen, P. V.; Haverlock, T. J.; Delmau, L. H.; Moyer, B. A., Solvatochromic solvent polarity measurements of alcohol solvent modifiers and correlation with cesium extraction strength. Solvent Extr. Ion Exch., 2001, 19(6), 1037-1058.
  15. Bonnesen, P. V.; Delmau, L. H.; Moyer, B. A.; Leonard, R. A., A robust alkaline-side CSEX solvent suitable for removing cesium from Savannah River high level waste. Solvent Extr. Ion Exch., 2000, 18(6), 1079-1107.
  16. Arduini, A.; Bohmer, V.; Delmau, L.; Desreux, J. F.; Dozol, J. F.; Carrera, M. A. G.; Lambert, B.; Musigmann, C.; Pochini, A.; Shivanyuk, A.; Ugozzoli, F., Rigidified calixarenes bearing four carbamoylmethylphosphineoxide or carbamoylmethylphosphoryl functions at the wide rim. Chemistry-a European Journal 2000, 6(12), 2135-2144.
  17. Delmau, L. H.; Simon, N.; Schwing-Weill, M. J.; Arnaud-Neu, F.; Dozol, J. F.; Eymard, S.; Tournois, B.; Gruttner, C.; Musigmann, C.; Tunayar, A.; Bohmer, V., Extraction of trivalent lanthanides and actinides by "CMPO-like" calixarenes. Separation Science and Technology 1999, 34(6-7), 863-876.
  18. Bryan, J. C.; Delmau, L. H.; Sachleben, R. A.; Moyer, B. A., 1,2-bis[2-(pyridin-2-yloxy)ethoxy]benzene. Acta Crystallographica Section C-Crystal Structure Communications 1999, 55, 618-620.
  19. Bryan, J. C.; Delmau, L. H.; Hay, B. P.; Nicholas, J. B.; Rogers, L. M.; Rogers, R. D.; Moyer, B. A., Cesium recognition by supramolecular assemblies of 2-benzylphenol and 2-benzylphenolate. Structural Chemistry 1999, 10(3), 187-203.
  20. Delmau, L. H.; Simon, N.; Schwing-Weill, M. J.; Arnaud-Neu, F.; Dozol, J. F.; Eymard, S.; Tournois, B.; Bohmer, V.; Gruttner, C.; Musigmann, C.; Tunayar, A., 'CMPO-substituted' calix[4]arenes, extractants with selectivity among trivalent lanthanides and between trivalent actinides and lanthanides. Chemical Communications 1998, 16, 1627-1628.
  21. Capdevila, H.; Vitorge, P.; Giffaut, E.; Delmau, L., Spectrophotometric study of the dissociation of the Pu(IV) carbonate limiting complex. Radiochimica Acta 1996, 74, 93-98.
  22. Moyer, B. A.; Delmau, L. H.; Case, G. N.; Bajo, S.; Baes, C. F., Comprehensive Equilibrium-Analysis of the Complexation of Cu(Ii) by Tetrathia-14-Crown-4 in a Synergistic Extraction System Employing Didodecylnaphthalene Sulfonic-Acid. Separation Science and Technology 1995, 30(7-9), 1047-1069.
  23. Moyer, B. A.; Delmau, L. H.; Lumetta, G. J.; Baes, C. F., Extraction of Mn(II) from Nitric-Acid by Crown Ether-Synergized Cation-Exchange - Extended Equilibrium and Infrared-Analysis. Solvent Extr. Ion Exch., 1993, 11(5), 889-921.

Chemical Separations Group Staff

 Provided by Oak Ridge National Laboratory's Chemical Sciences Division 
Rev: March 2009