Karel Lemmens

Research output

Research output per year 1993 2006 2009 2012 2019 2024 2025

• 40 In-proceedings paper
• 32 Article
• 22 ER - External report
• 4 Third partyreport

Research output per year

Research output per year

Search results

• 2012

  Determination of dissolution rates in vitrified high and medium level waste in a cementitious environment

  Ferrand, K., Lemmens, K., Gielen, B., Vercauter, R. & Druyts, F. (Peer reviewer), Mar 2012, Cementitious materials in safety cases for geological repositories for radioactive waste: role, evolution and interaction. Paris, France, p. 205-208 (NEA/RWM report; no. NEA/RWM/R(2012)3).

  Research output › peer-review

• Effect of a cement buffer on Spent Fuel dissolution

  Mennecart, T., Cachoir, C., Lemmens, K., Gielen, B., Vercauter, R. & Druyts, F. (Peer reviewer), Mar 2012, Cementitious materials in safety cases for geological repositories for radioactive waste: role, evolution and interaction. Paris, France, p. 199-203 (NEA/RWM report; no. NEA/RWM/R(2012)3).

  Research output › peer-review

• Interaction of cementitious materials with high-level waste matrices

  Lemmens, K., Cachoir, C., Ferrand, K., Mennecart, T., Gielen, B., Vercauter, R. & Druyts, F. (Peer reviewer), Mar 2012, Cementitious materials in safety cases for geological repositories for radioactive waste: role, evolution and interaction. Paris, France, p. 129-130 (NEA/RWM report; no. NEA/RWM/R(2012)3).

  Research output › peer-review

• Spent fuel dissolution in Belgian Supercontainer conditions: Source term and compatibility

  Lemmens, K., Mennecart, T., Cachoir, C. & Kursten, B. (Peer reviewer), Dec 2012, MRS Symposium Proceedings. Scientific Basis for Nuclear Waste Management XXXV. United States, Vol. 1475. p. 131-136 6 p. (MRS Symposium Proceedings; no. 1475).

  Research output › peer-review

• UO2 dissolution in high pH conditions of the Belgian Supercontainer

  Mennecart, T., Cachoir, C. & Lemmens, K., Dec 2012, MRS Symposium Proceedings. Scientific Basis for Nuclear Waste Management XXXV. United States, p. 293-298 (MRS Symposium Proceedings; no. 1475).

  Research output › peer-review

• UO₂ dissolution in high pH conditions of the Belgian Supercontainer

  Mennecart, T., Cachoir, C. & Lemmens, K., 2012, Scientific Basis for Nuclear Waste Management XXXV. Vol. 1475. p. 293-298 6 p. (Materials Research Society Symposium Proceedings; vol. 1475).

  Research output › peer-review
  4 Scopus citations
• 2011

  Glamor- or How We Achieved a Common Understanding on the Decrease of Glass Dissolution Kinetics Through International Cooperation

  Van Iseghem, P., Aertsens, M., Gin, S., Grambow, B., Strachan, D., McGrail, P., Wicks, G., McMenamin, T. & Lemmens, K. (Peer reviewer), Aug 2011, In: Journal of the South Carolina Academy of Science. 9, 1, p. 9-12

  Research output › peer-review

• The effect of cement on the UO2 dissolution rate and UO2 solubility , Programme 2004-2008, status March 2009

  Mennecart, T., Cachoir, C. & Lemmens, K., Feb 2011, 0 ed. SCK CEN. 124 p. (SCK CEN Reports; no. ER-156)

  Research output › peer-review

  Open Access

  File
  1 Downloads (Pure)

• The interaction between nuclear waste glass and cement

  Ferrand, K., Lemmens, K., Depierre, S. & Cachoir, C. (Peer reviewer), Oct 2011, Proceedings 1st International Symposium on Cement-based Materials for Nuclear Wastes. NUWCEM 2011. Marcoule, France, p. 1-11

  Research output › peer-review

• 2010

  Final Activity Report: Project MICADO. Model uncertainty for the mechanism of dissolution of spent fuel in nuclear waste repository

  Grambow, B., Bruno, A., Duro, L., Merino, J., Tamayo, A., Martin, C., Pepin, G., Schumacher, S., Smidt, O., Ferry, C., Jegou, C., Quinones, J., Iglesias, E., Rodriguez-Villagra, N., Nieto, J. M., Martinez-Esparza, A., Loida, A., Metz, V., Kienzler, B. & Bracke, G. & 16 others, Pellegrini, D., Mathieu, G., Wasselin-Trupin, V., Serres, C., Wegen, D., Jonsson, M., Johnson, L., Lemmens, K., Liu, J., Spahiu, K., Ekeroth, E., Casas, I., de Pablo, J., Watson, C., Robinson, P. & Hodgkinson, D., Mar 2010, Brussels, Belgium: EC - European Commission. 59 p.

  Research output › peer-review

  Open Access

  File
  31 Downloads (Pure)

• Topical Report on the fitting of SIMS profiles of glasses SON68 and SM539 altered in wet clay or Compact Boom Clay

  Aertsens, M., Hua, Z., Lemmens, K. & Van Iseghem, P., Oct 2010, 0 ed. SCK CEN. 22 p. (SCK•CEN Reports; no. ER-144)

  Research output › peer-review

• 2009

  Advances in Integrating European Research on the Near-Field System

  Sneyers, A., Grambow, B., Hernan, P., Alheid, H.-J., Aranyossy, J.-F., Johnson, L. & Lemmens, K. (Peer reviewer), Dec 2009, Conference proceedings. EURADWASTE'08. EURADWASTE, the Seventh European Commission Conference on the Management and Disposal of Radioactive Waste. Luxembourg, Luxembourg, Vol. 1. p. 161-171 (EUR series; no. 24040).

  Research output › peer-review

• Challenges of assessing long-term performance of nuclear waste matrices in repository near-field environments – insights from the NF-PRO and MICADO projects

  Lemmens, K., Grambow, B., Spahiu, K., Minet, Y., Poinssot, C. & Ferrand, K. (Peer reviewer), Jun 2009, Euradwaste '08. Seventh European Commission Conference on the Management and Disposal of Radioactive Waste. Conference Presentations, Papers and Panel Reports.. Luxembourg, Luxembourg, p. 1-10

  Research output › peer-review

• Corrosion behavior of high burnup spent fuel in highly alkaline solutions

  Loida, A., Gens, R., Metz, V., Lemmens, K., Cachoir, C., Mennecart, T. & Kienzler, B., 2009, Scientific Basis for Nuclear Waste Management XXXIII: Symposium Proceedings. Warrendale, PA, United States: Materials Research Society, Vol. 1193. p. 597-604 8 p. (Materials Research Society Symposium Proceedings; vol. 1193).

  Research output › peer-review

  Open Access

• Influence of silica release on clay characteristic: Scientific report for WP1. Experiment 1 of RP.WD.008 (experimental programme 2000-2003 on the long-termbehaviour of nuclear waste glass for NIRAS/ONDRAF)

  Lemmens, K. & Ferrand, K. (Peer reviewer), Nov 2009, 0 ed. SCK CEN. 45 p. (SCK CEN Reports; no. ER-107)

  Research output › peer-review

  Open Access

  File
  3 Downloads (Pure)

• Long-term behaviour of nuclear waste glass : Determination of the Np and Tc concentrations in FoCa-Clay - Determination of the mobile leached concentrations of other hazardous isotopes (Se, Sn, Zr, Pd) in near-field conditions

  Lemmens, K. & Maes, N. (Peer reviewer), Nov 2009, 0 ed. SCK CEN. 33 p. (SCK•CEN Reports; no. ER-108)

  Research output › peer-review

  Open Access

  File
  4 Downloads (Pure)

• Long-term behaviour of nuclear waste glass: Monte Carlo simulations. Scientific report for WP5 Task 1 of RP.WD.008

  Aertsens, M. & Lemmens, K. (Peer reviewer), Nov 2009, 0 ed. SCK CEN. 26 p. (SCK•CEN Reports; no. ER-109)

  Research output › peer-review

  Open Access

  File
  19 Downloads (Pure)

• SCK CEN R&D on the interaction between nuclear waste glass and clay near- and far- field materials

  Van Iseghem, P., Lemmens, K., Valcke, E. & Aertsens, M., 13 Jul 2009, Environmental Issues and Waste Management Technologies in the Materials and Nuclear Industries XII - A Collection of Papers Presented at the 2008 Materials Science and Technology Conf., MS and T'08. Hoboken (NJ), United States: American Ceramic Society, p. 103-114 12 p. (Ceramic Transactions; vol. 207).

  Research output › peer-review

  Open Access

• The leaching of Se, Sn, Zr, Pd from vitrified high-level waste in clay slurries

  Van Iseghem, P., Lemmens, K., Pirlet, V. & De Cannière, P. (Peer reviewer), Aug 2009, Mobile Fission and Activation Products in Nuclear Waste Disposal. Workshop Proceedings. Issy-les-Moulineaux, France, p. 247-257

  Research output › peer-review

• Using element profiles to predict dissolution rates of glasses SM539 and SON68 in synthetic interstitial clay water

  Aertsens, M., Lemmens, K. & Van Iseghem, P., Mar 2009, 0 ed. SCK CEN. 47 p. (SCK•CEN Reports; no. ER-91)

  Research output › peer-review

• 2008

  CORALUS: an integrated in situ test on the corrosion of α-active (SON68) HLW glass

  Valcke, E., Lemmens, K., Van Iseghem, P., Godon, N., Jollivet, P., Jockwer, N., Wieczorek, K. & Pozo, C., Nov 2008, Radioactive waste disposal in geological formations. Proceedings. Braunschweig, Germany, Vol. 1. p. 187-198

  Research output › peer-review

• Determination of the forward rate of dissolution for SON68 and PAMELA glasses in contact with alkaline solutions

  Ferrand, K. & Lemmens, K., 1 Dec 2008, Materials Research Society Symposium Proceedings - Scientific Basis for Nuclear Waste Management XXXI. Warrendale, PA, United States: Materials Research Society, p. 287-294 8 p. (Materials Research Society Symposium Proceedings; vol. 1107).

  Research output › peer-review

  Open Access

• Diffusion experiments with 32Si in Boom Clay, FoCa Clay and the M2 mixture

  Aertsens, M., Maes, N., Moors, H. & Lemmens, K., Feb 2008, 0 ed. SCK CEN. 76 p. (SCK•CEN Reports; no. ER-39)

  Research output › peer-review

• Overview and consistency of migration experiments in clay

  Aertsens, M., De Cannière, P., Lemmens, K., Maes, N. & Moors, H., Jun 2008, In: Physics and Chemistry of the Earth. 33, 14-16, p. 1019-1025

  Research output › peer-review

  Open Access
• 2007

  CORALUS-II. An integrated in situ corrosion test on alpha-active HLW glass - phase II. Detailed final report of SCK•CEN for the EC project CORALUS II

  Valcke, E., Smets, S., Labat, S., Lemmens, K., Van Iseghem, P., Gysemans, M., Thomas, P., Van Bree, P., Vos, B. & Van den Berghe, S., Jan 2007, 0 ed. SCK CEN. 135 p. (SCK•CEN Reports; no. ER-27)

  Research output › peer-review

• Dissolution behaviour of UO2 in anoxic conditions. Comparison of Ca-bentonite and Boom Clay

  Mennecart, T., Cachoir, C., Lemmens, K., Volckaert, G. (Peer reviewer) & Wang, L. (Peer reviewer), Dec 2007, Scientific Basis for Nuclear Waste Management XXX, MRS Proceedings Volume 985. Warrendale, Pennsylvania, United States, p. 39-42

  Research output › peer-review

• The BRAG and GM2003 models for glass dissolution

  Aertsens, M., Lemmens, K. (Peer reviewer) & Van Iseghem, P. (Peer reviewer), Dec 2007, Scientific Basis for Nuclear Waste Management XXX, MRS Proceedings Volume 985. Warrendale, Pennsylvania, United States

  Research output › peer-review

• The strategy of the Belgian Nuclear Research Centre in the area of high-level waste form compatibility research

  Lemmens, K., Cachoir, C., Valcke, E., Ferrand, K., Aertsens, M. & Mennecart, T., 2007, Proceedings of the ICEM2007: 11th International Conference on Environmental Remediation and Radioactive Waste Management. PART B ed. Fairfield, NJ, United States, p. 845-852 8 p. (Proceedings of the ICEM2007 - 11th International Conference on Environmental Remediation and Radioactive Waste Management; no. PART B).

  Research output › peer-review

  Open Access
• 2006

  Bituminised waste re-treatment: Replacement of the bitumen matrix by a glass matrix

  Impens, N., Tennstedt, I., Lemmens, K., Gielen, B., Van Laer, J., Fonteyne, A., Vos, L., Vos, B., Leenaers, A., Van den Berghe, S., Van Bree, P. & Van Oost, G., Jun 2006, Scientific Basis for Nuclear Waste Management XXIX. Warrendale, PA, Belgium: Materials Research Society, Vol. 1. p. 743-750 8 p. (MRS Proceedings; no. Volume 932).

  Research output › peer-review

  Open Access

• Chemical durability of high-level waste glass in repository environment: main conclusions and remaining uncertainties from the GLASTAB and GLAMOR projects

  Van Iseghem, P., Lemmens, K., Aertsens, M., Gin, S., Ribet, I., Grambow, B., Crovisier, J. L., Del Nero, M., Curti, E., Schwyn, B., Luckscheiter, B., McMenamin, T. & Volckaert, G. (Peer reviewer), Jun 2006, Symposium Proceedings. Scientific Basis for Nuclear Waste Management XXIX. Warrendale, United States, p. 293-304

  Research output › peer-review

• Comparison of chemiluminescence methods for analysis of hydrogen peroxide and hydroxyl radicals

  Pehrman, R., Amme, M., Cachoir, C., Ferrand, K. (Peer reviewer) & Lemmens, K. (Peer reviewer), Dec 2006, In: Czechoslovak Journal of Physics. 56, Supplement 4, p. D373-D379

  Research output › peer-review

  Open Access

• CORALUS: an integrated in situ test on the corrosion of alpha-active (SON68) HLW glass

  Valcke, E., Smets, S., Labat, S., Lemmens, K., Van Iseghem, P., Thomas, P., Godon, N., Jollivet, P., Parisot, G., Mestre, J.-P., Jockwer, N., Wieczorek, K. & Pozo, C., Jun 2006, Symposium Proceedings. Scientific Basis for Nuclear Waste Management XXIX. Warrendale, United States, p. 67-78

  Research output › peer-review

• CORALUS: an integrated in situ test on the corrosion of alpha-active (SON68) HLW glass

  Valcke, E., Smets, S., Labat, S., Lemmens, K., Van Iseghem, P., Thomas, P., Godon, N., Jollivet, P., Parisot, G., Mestre, J.-P., Jockwer, N., Wieczorek, K. & Pozo, C., 1 Sep 2006, MRS Online Proceedings Library. Springer, 1181 . (MRS Online Proceedings Library; vol. 932).

  Research output › peer-review

• Mechanisms governing the release of radionuclides from spent nuclear fuel in geological repository: Major outcomes of the European project SFS

  Poinssot, C., Ferry, C., Grambow, B., Kelm, M., Spahiu, K., Martinez, A., Johnson, L., Cera, E., De Pablo, J., Quinones, J., Wegen, D., Lemmens, K. & McMenamin, T., 2006, 29th International Symposium on the Scientific Basis for Nuclear Waste Management XXIX. Warrendale, United States: Materials Research Society, p. 421-432 12 p. (Materials Research Society Symposium Proceedings; vol. 932).

  Research output › peer-review

  Open Access

• Obtaining solubility constants to describe the incongruent dissolution of SON68 waste glass by an equilibrium ideal solid solution model approach

  Jacques, D. & Lemmens, K., 2006, 29th International Symposium on the Scientific Basis for Nuclear Waste Management XXIX. Warrendale, United States: Materials Research Society, p. 337-344 8 p. (Materials Research Society Symposium Proceedings; vol. 932).

  Research output › peer-review

  Open Access

• Static dissolution tests of alpha-doped UO2 under repository relevant conditions: Influence of Boom Clay and alpha-activity on fuel dissolution rates

  Salah, S., Cachoir, C., Lemmens, K. & Maes, N., Jun 2006, Symposium Proceedings. Scientific Basis for Nuclear Waste Management XXIX. Warrendale, United States, p. 481-488

  Research output › peer-review

• Static dissolution tests of α-doped UO₂ under repository relevant conditions: Influence of Boom Clay and α-activity on fuel dissolution rates

  Salah, S., Cachoir, C., Lemmens, K. & Maes, N., 2006, 29th International Symposium on the Scientific Basis for Nuclear Waste Management XXIX. Materials Research Society, p. 481-488 8 p. (Materials Research Society Symposium Proceedings; vol. 932).

  Research output › peer-review

  Open Access

• Validation of glass dissolution and Si diffusion parameters with a combined glass dissolution-diffusion experiment in Boom Clay

  Lemmens, K. & Aertsens, M., 2006, 29th International Symposium on the Scientific Basis for Nuclear Waste Management XXIX. Warrendale, United States: Materials Research Society, p. 329-336 8 p. (Materials Research Society Symposium Proceedings; vol. 932).

  Research output › peer-review

  Open Access
• 2005

  Key components and processes relevant to the alteration of vitrified high-level waste in geological disposal conditions

  Lemmens, K., Godon, N., Gin, S., Minet, Y., Grambow, B. & Aertsens, M., Oct 2005, Proceedings NF-PRO second training course and workshop (on NF-PRO portal). Mol, Belgium, p. 1-9

  Research output › peer-review

• 2004

  Influence of the near-field conditions on the mobile concentrations of Np and Tc leached from vitrified HLW

  Pirlet, V., Lemmens, K. & Van Iseghem, P., 2004, MRS Online Proceedings Library. Vol. 824. p. 385-390 6 p. (Materials Research Society Symposium Proceedings).

  Research output › peer-review

  Open Access
• 2003

  UO2 dissolution in Boom Clay conditions

  Cachoir, C., Lemmens, K., Van den Berghe, S. & Van Iseghem, P., Sep 2003, In: Journal of Nuclear Materials. 321, 1, p. 49-59 11 p.

  Research output › peer-review

  Open Access
• 2002

  Leaching of Np and Tc from doped nuclear waste glasses in clay media: The effects of redox conditions

  Pirlet, V., Lemmens, K. & Van Iseghem, P., 2002, In: Materials Research Society Symposium - Proceedings. 713, p. 563-570 8 p.

  Research output › peer-review

• Measurement of glass corrosion in Boom Clay disposal conditions

  Lemmens, K., Aertsens, M., Pirlet, V., Serra, H., Valcke, E., De Cannière, P. & Van Iseghem, P., 2002, ICEM'01 Proceedings of the 8th International COnference on Radioactive Waste Management and Environmental Remediation. ASME - The American Society of Mechanical Engineers, p. 1615-1620 6 p. 1286

  Research output › peer-review

  Open Access
• 2001

  The effect of clay on the dissolution of nuclear waste glass

  Lemmens, K., Sep 2001, In: Journal of Nuclear Materials. 298, 1-2, p. 11-18 8 p.

  Research output › peer-review

• The effect of gamma radiation on the dissolution of high-level waste glass in boom clay

  Lemmens, K. & Van Iseghem, P., 2001, In: Materials Research Society Symposium - Proceedings. 663, p. 227-235 9 p.

  Research output › peer-review

• 1999

  Static dissolution of uo2 in interstitial boom clay water

  Lemmens, K., Cachoir, C. & Van Iseghem, P., 1999, In: Materials Research Society Symposium - Proceedings. 556, p. 1009-1016 8 p.

  Research output › peer-review
• 1997

  Geochemical modelling of the interaction of HLW glass with boom clay media

  Lolivier, P., Lemmens, K. & Van Iseghem, P., 1997, In: Materials Research Society Symposium - Proceedings. 506, p. [d]399-406

  Research output › peer-review

• 1993

  Leaching of Pu, Am, Np, and Tc from high level waste glasses in clay media

  Lemmens, K., Van Iseghem, P. & Wang, L., 1993, Materials Research Society Symposium Proceedings. Materials Research Society, p. 147-154 8 p. (Materials Research Society Symposium Proceedings; vol. 294).

  Research output › peer-review