Evolution of phase assemblage of blended magnesium potassium phosphate cement binders at 200° and 1000°C

References

• F. Qiao, C. K. Chau and Z. Li: ‘Property evaluation of magnesium phosphate cement mortar as patch repair material’, Constr. Build. Mater., 2010, 24, (5), 695–700. doi: 10.1016/j.conbuildmat.2009.10.039
   Web of Science ®Google Scholar
• N. B. Milestone: ‘Reactions in cement encapsulated nuclear wastes: need for toolbox of different cement types’, Adv. Appl. Ceram., 2006, 105, (1), 13–20. doi: 10.1179/174367606X81678
   Web of Science ®Google Scholar
• D. Singh, A. S. Wagh, J. C. Cunnane and J. L. Mayberry: ‘Chemically bonded phosphate ceramics for low-level mixed-waste stabilization’, J. Environ. Sci. Health A, 1997, 32A, (2), 527–541.
   Google Scholar
• D. Singh, A. S. Wagh, M. Tlustochowicz and S. Y. Jeong: ‘Phosphate ceramic process for macroencapsulation and stabilization of low-level debris wastes’, Waste Manage., 1998, 18, (2), 135–143. doi: 10.1016/S0956-053X(98)00018-X
   Web of Science ®Google Scholar
• D. Singh, S. Y. Jeong and K. Dwyer: ‘Ceramicrete: a novel ceramic packaging system for spent-fuel transport and storage’, ‘Proc. Waste Management Conf., Tucson, AZ, USA, February-March, Argonne National Laboratory’; 2000. Document 41-41 available at: http:// www.wmsym.org/archives/2000/wednesday.htm
   Google Scholar
• D. Singh, V. R. Mandalika, S. J. Parulekar and A. S. Wagh:, ‘Magnesium potassium phosphate ceramic for 99Tc immobilization’ J. Nucl. Mater., 2006, 348, (3), 272–282. doi: 10.1016/j.jnucmat.2005.09.026
   Web of Science ®Google Scholar
• A. S. Wagh, S.-Y. Jeong and D. Singh: ‘Mercury stabilization in chemically bonded phosphate ceramics’, 1997, San Antonio, TX, American Ceramic Society.
   Google Scholar
• A. S. Wagh, R. Strain, S. Y. Jeong, D. Reed, T. Krause and D. Singh: ‘Stabilization of Rocky Flats Pu-contaminated ash within chemically bonded phosphate ceramics’, J. Nucl. Mater., 1999, 265, (3), 295–307. doi: 10.1016/S0022-3115(98)00650-3
   Web of Science ®Google Scholar
• A. S. Wagh, M. D. Maloney, G. H. Thomson and A. Antink: ‘Investigations in ceramicrete stabilization of hanford tank wastes’, ‘Proc. Waste Management Conf., Tucson, AZ, USA, February’, 2003. Document 46-4 available at: http://www.wmsym.org/archives/ 2003/html/46.html
   Google Scholar
• J. H. Sharp, N. B. Milestone, J. Hill and E. W. Miller: ‘Cementitious systems for encapsulation of intermediate level waste’, ‘Proc. 9th Int. Conf. on ‘Radioactive Waste management and environmental remediation’, Oxford, UK, September', 2003. Available at: http://www.isl. group.sheffield.ac.uk/papers/NBMICEM03paper.pdf
   Google Scholar
• M. Hayes and I. H. Godfrey: ‘Development of the use of alternative cements for the treatment of intermediate level waste’, ‘Proc. Waste Management Conference Tucson, AZ, USA, February–March’, 2007. Available at: http://www.wmsym.org/archives/2007/pdfs/7328. pdf
   Google Scholar
• A. Covill, N. C. Hyatt, J. Hill and N. C. Collier: ‘Development of the use of alternative cements for the treatment of intermediate level waste’, Adv. Appl. Ceram., 2011, 110, (3), 151–156. doi: 10.1179/1743676110Y.0000000008
   Web of Science ®Google Scholar
• Nuclear Decommissioning Authority: ‘Geological Disposal: Waste package accident performance status report, NDA/RWMD/032, 2010’. Available at: https://www.nda.gov.uk/publication/geological- disposal-waste-package-accident-performance-status-report-december-2010/
   Google Scholar
• Nuclear Decommissioning Authority: ‘Geological disposal; waste package specification for 500 litre drum waste packages; WPS/300/ 03, 2013’. Available at: https://www.nda.gov.uk/publication/wps_ 300_03-geological-disposal-wps-for-500-litre-drum-waste-packages/
   Google Scholar
• US Department of Energy: ‘Waste isolation pilot plant recovery plan’, 2014, Washington, DC, DOE.
   Google Scholar
• F. Delhomme, J. Ambroise and A. Limam: ‘Effects of high temperatures on mortar specimens containing Portland cement and GGBFS’, Mater. Struct., 2012, 45, (11), 1685–1692. doi: 10.1617/s11527-012-9865-7
   Web of Science ®Google Scholar
• D. Matesová, D. Bonen and S. P. Shah: ‘Factors affecting the resistance of cementitious materials at high temperatures and medium heating rates’, Mater. Struct., 2006, 39, (4), 455–469. doi: 10.1007/s11527-005-9041-4
   Web of Science ®Google Scholar
• W. D. Kingery: ‘Fundamental study of phosphate bonding in refractories: I, literature review’, J. Am. Ceram. Soc., 1950, 33, (8), 239–241. doi: 10.1111/j.1151-2916.1950.tb14171.x
   Web of Science ®Google Scholar
• R. W. Limes and D. Ponzani: Basic refractory compositions for intermediate temperature zones', ‘US patent no. 3, 285, 758’; 1966.
   Google Scholar
• R. W. Limes and R. O. Russell: ‘Process for preparing fast-setting aggregate compositions and products for low porosity produced therewith’3, ‘US patent no. 3, 879, 209’, 1975.
   Google Scholar
• L. J. Gardner, C. L. Corkhill, S. A. Bernal, N. C. Collier, J. L. Provis and N. C. Hyatt: ‘The effect of water content on blended magnesium potassium phosphate cement binders’, Cem. Concr. Res., 2015, 74, 78–87. doi: 10.1016/j.cemconres.2015.01.015
   Web of Science ®Google Scholar
• International Atomic Energy Agency: ‘Regulations for the safe transport of radioactive material; specific safety requirements’, ‘2012 edn’; 2012, Vienna, IAEA.
   Google Scholar
• S. Zhang, H. Shi, S. Huang and P. Zhang: ‘Dehydration characteristics of struvite-K pertaining to magnesium potassium phosphate cement system in non-isothermal condition’, J. Therm. Anal. Calorim., 2013, 111, 35–40. doi: 10.1007/s10973-011-2170-9
   Web of Science ®Google Scholar
• L. J. Gardner, S. A. Bernal, S. A. Walling, C. L. Corkhill, J. L. Provis and N. C. Hyatt: ‘Characterisation of magnesium potassium phosphate cements blended with fly ash and blast furnace slag’, Cem. Concr Res., 2015, 78–87.
   Google Scholar
• R. Neiman and A. C. Sarma: ‘Setting and thermal reactions of phosphate investments’, J. Dent. Res., 1980, 59, (9), 1478–1485. doi: 10.1177/00220345800590090401
   PubMed Web of Science ®Google Scholar
• A. K. Sarkar: ‘Hydration/dehydration characteristics of struvite and dittmarite pertaining to magnesium ammonium phosphate cement systems’, J. Mater. Sci., 1991, 268, (9), 2514–2518. doi: 10.1007/BF01130204
   Web of Science ®Google Scholar
• B. E. I. Abdelrazig and J. H. Sharp: ‘Phase changes on heating ammonium magnesium phosphate hydrates’, Thermochim. Acta., 1988, 129, (2), 197–215. doi: 10.1016/0040-6031(88)87336-2
   Web of Science ®Google Scholar
• S. Graeser, W. Postl, H.-P. Bojar, P. Berlepsch, T. Armbruster, T. Raber, K. Ettinger and F. Walter: ‘Struvite-(K), KMgPO4·6H2O, the potassium equivalent of struvite – a new mineral’, Eur. J. Mineral., 2008, 20, (4), 629–633. doi: 10.1127/0935-1221/2008/0020-1810
   Web of Science ®Google Scholar
• M. Mathew and L. W. Schroeder: ‘Crystal structure of a struvite ana-logue, MgKPO4•6H2O’, Acta Crystallogr., 1979, 35B, (1), 11–13. doi: 10.1107/S0567740879002429
   Web of Science ®Google Scholar
• V. F. F. Barbosa and K. J. D. MacKenzie: ‘Synthesis and thermal behaviour of potassium sialate geopolymers’, Mater. Lett., 2003, 57, (9–10), 1477–1482. doi: 10.1016/S0167-577X(02)01009-1
   Web of Science ®Google Scholar
• T. Bakharev: ‘Thermal behaviour of geopolymers prepared using class F fly ash and elevated temperature curing’, Cem. Concr. Res., 2006, 36, 1134–1147. doi: 10.1016/j.cemconres.2006.03.022
   Web of Science ®Google Scholar
• D. A. Hall, R. Stevens and B. El-Jazairi: ‘The effect of retarders on the microstructure and mechanical properties of magnesia–phosphate cement mortar’, Cem. Concr. Res., 2001, 31, (3), 455–465. doi: 10.1016/S0008-8846(00)00501-9
   Web of Science ®Google Scholar
• A. D. Wilson and J. W. Nicholson: ‘Acid-base cements: their biomedical and industrial applications’, 1993, Cambridge, Cambridge University Press.
   Google Scholar