发明名称 |
Process for the separation of an aqueous mixture of trioxane and formaldehyde and corresponding applications |
摘要 |
Process for the separation of an aqueous mixture of trioxane and formaldehyde and corresponding applications. The aqueous trioxane and formaldehyde mixture has first trioxane:formaldehyde ratio. The process includes the steps of reacting the aqueous mixture of trioxane and formaldehyde with urea, and separation an exiting vapor phase having a second trioxane:formaldehyde ratio that it higher than the first trioxane:formaldehyde ratio. An aqueous mixture of trioxane and formaldehyde coming from a reactor in which trioxane is being synthesized or from a distillation column in which a prior aqueous mixture of trioxane and formaldehyde can be separated from the excess formaldehyde. Raw material for the production of urea-formaldehyde glues or resins can be formed.
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申请公布号 |
US7005529(B2) |
申请公布日期 |
2006.02.28 |
申请号 |
US20030468084 |
申请日期 |
2003.08.15 |
申请人 |
PATENTES Y NOVEDADES, S.L. |
发明人 |
EEK-VANCELLS LLUIS |
分类号 |
C07D309/00;B01D3/14;B01D3/34;C07D323/06;C08G2/18;C08G12/12 |
主分类号 |
C07D309/00 |
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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