发明名称 |
Method for processing catalysts for color number hydrogenation of polytetrahydrofuran and/or the esters thereof |
摘要 |
Process for working up an at least partially deactivated hydrogenation catalyst for the color number hydrogenation of PTHF and/or PTHF esters, in which the hydrogenation catalyst is purified by treatment with steam at from 100 to 250° C. and a gauge pressure of from 0 to 40 bar.
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申请公布号 |
US2006116276(A1) |
申请公布日期 |
2006.06.01 |
申请号 |
US20050542574 |
申请日期 |
2005.07.19 |
申请人 |
MENGER VOLKMAR;SCHWARZTRAUBER MICHAEL |
发明人 |
MENGER VOLKMAR;SCHWARZTRAUBER MICHAEL |
分类号 |
B01J38/06;C08G65/20;C08G65/322 |
主分类号 |
B01J38/06 |
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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