发明名称 |
Process for removing trioxane from an aqueous mixture |
摘要 |
A process for removing trioxane from a liquid mixture containing trioxane, water and formaldehyde, which includes distilling the liquid mixture in a first distillation stage at a low pressure, distilling the resulting distillate in a second distillation stage at a higher pressure and taking off trioxane as bottom product.
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申请公布号 |
US5766424(A) |
申请公布日期 |
1998.06.16 |
申请号 |
US19960683748 |
申请日期 |
1996.07.17 |
申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
ARNOLD, DIETER;HIERHOLZER, BERNHARD;MUECK, KARL-FRIEDRICH;REISS, MONIKA;RICHTER, PETER;SCHNABEL, HANS-DIETMAR;WLOCH, HUBERT |
分类号 |
A01N43/32;C07D323/06;(IPC1-7):B01D3/00 |
主分类号 |
A01N43/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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