| タイトル | Production of edible carbohydrates from formaldehyde in a spacecraft. pH variations in the calcium hydroxide catalyzed formose reaction |
| 本文（外部サイト） | http://hdl.handle.net/2060/19750002109 |
| 著者（英） | Kohler, J. T.; John, T.; Weiss, A. H. |
| 著者所属（英） | Worcester Polytechnic Inst. |
| 発行日 | 1974-06-30 |
| 言語 | eng |
| 内容記述 | The study of the calcium hydroxide catalyzed condensation of formaldehyde was extended to a batch reactor system. Decreases in pH were observed, often in the acid regime, when using this basic catalyst. This observation was shown to be similar to results obtained by others using less basic catalysts in the batch mode. The relative rates of these reactions are different in a batch reactor than in a continuous stirred tank reactor. This difference in relative rates is due to the fact that at any degree of advancement in the batch system, the products have a history of previous products, pH, and dissolved catalyst. The relative rate differences can be expected to yield a different nature of product sugars for the two types of reactors. |
| NASA分類 | CHEMISTRY AND MATERIALS (GENERAL) |
| レポートNO | 75N10181
NASA-CR-140684 |
| 権利 | No Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/192375 |
