| 摘要 |
<p>The present invention relates to a regenerator comprising a packed bed of energy storage elements made of a material having the following chemical analysis: - 25% < Fe2O3 < 90%, and -5% < Al2O3 < 30%, and - CaO < 20%, and - TiO2 < 25%, and - 3% <SiO2 < 50%, and -Na2O < 10%, and - Fe2O3 + Al2O3 + CaO +TiO2 + SiO2 + Na2O > 80%, and - other compounds: complement to 100%.</p> |
