发明名称 |
Process for removing methanol from formaldehyde-containing solutions |
摘要 |
Process for removing methanol from formaldehyde-containing solutions. The present invention relates to a process for removing methanol from formaldehyde-containing solutions, with methanol being converted into formaldehyde dimethyl acetal by reactive distillation in the presence of an acidic fixed-bed catalyst, and the resultant mixture comprising methanol, formaldehyde dimethyl acetal and possibly other impurities being distilled off.
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申请公布号 |
US2004097762(A1) |
申请公布日期 |
2004.05.20 |
申请号 |
US20030451469 |
申请日期 |
2003.07.22 |
申请人 |
HOFFMOCKEL MICHAEL;GORING MATTHIAS;LINGNAU JUERGEN;MUCK KARL-FRIEDRICH |
发明人 |
HOFFMOCKEL MICHAEL;GORING MATTHIAS;LINGNAU JUERGEN;MUCK KARL-FRIEDRICH |
分类号 |
C07C45/00;C07C45/29;C07C45/38;C07C45/82;C07C45/85;C07C47/052;C07D323/06;C08G2/08;C08G2/10;C08G2/18;C08G2/24;(IPC1-7):C07C45/00 |
主分类号 |
C07C45/00 |
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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