Comparison of the base catalytic activity of MgO prepared by thermal decomposition of hydroxide, basic carbonate, and oxalate under atmospheric conditions
| العنوان: | Comparison of the base catalytic activity of MgO prepared by thermal decomposition of hydroxide, basic carbonate, and oxalate under atmospheric conditions |
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| المؤلفون: | Nana Ishida, Hiromi Matsuhashi, Erika Yoshino, Michiko Kitagawa |
| المصدر: | Research on Chemical Intermediates. 46:3703-3715 |
| بيانات النشر: | Springer Science and Business Media LLC, 2020. |
| سنة النشر: | 2020 |
| مصطلحات موضوعية: | chemistry.chemical_classification, Base (chemistry), 010405 organic chemistry, Magnesium, Inorganic chemistry, Thermal decomposition, chemistry.chemical_element, General Chemistry, 010402 general chemistry, 01 natural sciences, Decomposition, Oxalate, 0104 chemical sciences, Catalysis, chemistry.chemical_compound, chemistry, Diacetone alcohol, Hydroxide |
| الوصف: | To obtain highly active solid base catalyst of magnesium oxide (MgO) under atmospheric conditions, hydroxide (Mg(OH)2), basic carbonate (Mg5(CO3)4(OH)2·4H2O), and oxalate (MgC2O4·2H2O) were examined as starting material for preparation, and the effect of heating temperature on base catalytic activity was studied. Diacetone alcohol decomposition, a retro-aldol reaction, was performed to compare the base catalytic activity of prepared MgO catalysts. The order of activity of MgO as starting material for the retro-aldol reaction was oxalate > basic carbonate > hydroxide. In a comparison of catalytic activity based on catalyst weight and surface area, MgO prepared from oxalate showed higher activity than did samples prepared from carbonate and hydroxide. Catalytic activity based on surface area was the highest in MgO prepared by thermal decomposition of oxalate at 1173 K. The starting material, which had higher decomposition temperature and formed a larger amount of evolving gas molecules accompanying decomposition, provided a solid base with higher activity under atmospheric conditions. |
| تدمد: | 1568-5675 0922-6168 |
| DOI: | 10.1007/s11164-020-04169-w |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::44665ead6a03205c4bb93a853fcbecf9 https://doi.org/10.1007/s11164-020-04169-w |
| Rights: | CLOSED |
| رقم الانضمام: | edsair.doi...........44665ead6a03205c4bb93a853fcbecf9 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 15685675 09226168 |
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| DOI: | 10.1007/s11164-020-04169-w |