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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2015, Volume 66, Issue 12,





Annette Madelene DANCILA, Eugeniu VASILE
Influence of the Oxalic Acid Addition Upon Properties of Desulfurization Sorbents Based on Zinc Oxide

Abstract:

The paper aims morphological, structural and textural changes induced to zinc titanate sorbents by introducing oxalic acid during the preparation process. The ZnO-TiO2-Al2O3 sorbents were obtained through semi wet mixing of oxides; then oxalic acid was added, followed by drying, precalcination and calcination steps. The presence of oxalic acid into sorbent composition favors the formation by calcinations at 700oC of zinc titanate stable forms, type Zn2TiO4, ZnTiO3 and Zn6Al2O9. This sorbents could be used in high temperatures gas desulfurization processes due to their higher specific surface Keywords: zinc titanate, desulfurization, HTGD process, oxalic acid


Issue: 2015, Volume 66, Issue 12
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