公开(公告)号：BR0307813A

公开(公告)日：2004-12-21

申请号：BR0307813

申请日：2003-02-28

Applicant: BASF AG

Inventor： PESCHEL WERNER ,  ADRIAN TILL ,  RUST HARALD ,  TTCHER ARND B ,  HILLMER THOMAS ,  LLER ULRICH M ,  PAPP RAINER

IPC: C07C5/11 ,  C07B61/00 ,  C07C29/04 ,  C07C35/08 ,  C07C13/20

Abstract: A process for preparing cyclohexanol from benzene by: a) preparing cyclohexene by hydrogenating benzene in the presence of a catalyst, and b) preparing cyclohexanol by hydrating the cyclohexene in the presence of a catalyst, comprises: carrying out steps a) and b) in a reaction facility which has a bottom region at the lower end, a top region at the upper end, and a reaction zone between the top region and the bottom region which contains the catalyst according to steps a) and b), evaporating a portion of the benzene using the heat of reaction in the reaction zone, condensing it in the top region and returning it to the reaction zone, and withdrawing a reaction mixture containing cyclohexanol in the bottom region.