| 申请日期 | 2024-11-18 | 申请号 | ES00950644 |
| 公开（公告）号 | ES2220500T3 | 公开（公告）日 | 2004-12-16 |
| 公开国别 | ES | 申请人省市代码 | 全国 |
| 申请人 | DU PONT | ||
| 简介 | The present invention provides an improved process for the hydrogenation of 3-hydroxypropanal to 1, 3-propanediol which comprises purifying an aqueous solution of 3-hydroxypropanal by contacting said aqueous solution with a purifying agent prior to hydrogenation. | ||
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