PREPARATION OF HEXALITHIUM MONOSILICATE, Li6SiO5, AS BLANKET MATERIAL FOR BREEDING ENERGY IN FUSION REACTORS | ||||
| The International Conference on Chemical and Environmental Engineering | ||||
| Article 20, Volume 3, 3rd International Conference On Chemical & Environmental Engineering, May 2006, Page 119-126 PDF (628.83 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/iccee.2006.41073 | ||||
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| Authors | ||||
| Morsi M. M.1; Wedemeyer H.2 | ||||
| 1Glass Research Dept., The National Research Centre, Egypt. | ||||
| 2Kernforschugszentrum Karlsruhe GmbH, Institut fur Material und Festkorperforschung III, D-7500 Karlsruhe, Germany. | ||||
| Abstract | ||||
| ABSTRACT A silicate compound that contains high Li/Si ratio seems to be a candidate material for breeding energy in fusion reactors. A pressable and sinterable powder was prepared by mixing an alcoholic suspension containing 6 moles of LiOH and one mole of SiO2 (as Aerosil). After being gelled it is dried and then calcined at 420°C for 2 h. Sintering of the pressed powder obtained at temperatures below 700°C results in the formation of the compound hexalithium monosilicate, Li6SiO5. This new compound in the lithium silicate family is characterized by six-edges plate crystals that have main x-ray diffraction lines with d-values at 4.407, 3. 548, 3.339, 2.419, 2.360, 2.010, l.421 and 1.418. The Li6SiO5 decomposes at temperature above 700°C it decomposes to Li4SiO4 and Li2O.The high lithium content of Li6SiO5 permits its usage as blanket material for breeding tritium consequently the energy in forthcoming fusion reactors. | ||||
| Keywords | ||||
| Lithium silicate; Hexalithium monosilicate; Blanket material; X-Ray Diffraction; Tritium; Fusion reactors; Tritium breeding materials and Breeding energy materials | ||||
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