发明名称 |
Processo para produção de ciclo-hexanodimetanol |
摘要 |
Prodn. of cyclohexanedimethanol by hydrogenation of dialkyl-cyclohexane dicarboxylate comprises (a) providing a hydrogenation zone contg. a granular reduced manganese promoted copper catalyst; (b) forming a vapour stream of a hydrogenatable material comprising a dialkyl cyclohexane dicarboxylate and 0.1-15 wt.% of acidic material, at temp. of 150-350 deg C above the dew pt. of the feed stream and at feed pressure of 150-2000 psia, the mixt. having a known hydrogen-contg. gas:dialkyl cyclohexane dicarboxylate ratio; (c) supplying the vapour stream to the hydrogenation zone; (d) maintaining hydrogenation conditions so as to keep the mixt. in contact with the catalyst above its dew pt.; (e) passing the stream through the hydrogenation zone; and (f) recovering from the hydrogenation zone a product stream of cyclohexanedimethanol. The dialkyl cyclohexane dicarboxylate is selected from di(1-4C alkyl) cyclohexane dicarboxylate. |
申请公布号 |
BR9404847(A) |
申请公布日期 |
1995.08.01 |
申请号 |
BR19949404847 |
申请日期 |
1994.12.02 |
申请人 |
EASTMAN CHEMICAL COMPANY |
发明人 |
PAUL APPLETON;MICHAEL ANTHONY WOOD |
分类号 |
B01J23/889;C07B61/00;C07C27/02;C07C29/149;C07C31/27;C07C35/14;(IPC1-7):C07C31/27 |
主分类号 |
B01J23/889 |
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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