| 发明名称 |
PRODUCTION OF 1,4-BUTANEDIOL AND/OR OF 2-METHYL 1,3-PROPANDIOL |
| 摘要 |
<p>The catalytic hydrogenation of HBA and/or HMPA is improved by either or both of (1) increasing the temperature in the hydrogenation zone from about 50 to 70° C. at the inlet to above 80° C. at the outlet and (2) raising the pH of the hydrogenation feed to 4.5-6.0 before hydrogenation.</p> |
| 申请公布号 |
EP1833778(B1) |
申请公布日期 |
2009.12.30 |
| 申请号 |
EP20050801814 |
申请日期 |
2005.09.26 |
| 申请人 |
LYONDELL CHEMICAL TECHNOLOGY, L.P. |
发明人 |
DUBNER, WALTER, S.;SHUM, WILFRED, PO-SUM |
| 分类号 |
C07C27/04;C07C29/14;C07C29/141;C07C29/16 |
主分类号 |
C07C27/04 |
| 代理机构 |
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代理人 |
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