发明名称 METHOD AND FACILITY FOR PRODUCING BISPHENOL A
摘要 PROBLEM TO BE SOLVED: To provide a method for producing bisphenol A in which other equipment than equipment in a granulation process is not necessary to be stopped even in a trouble in the glanulation process and the required time for the granulation process to restart a normal operation can be shortened, and to provide facilities thereof. SOLUTION: The method for producing bisphenol A comprising a reaction process, a low boiling components removing process, a concentration step, a crystallization and solid-liquid separation process, a heating and melting process, a phenol removing process and a granulation process, in which at least part of the bisphenol A discharged from the phenol removing process is transferred back to the concentration process according to a processing capacity of the glanulation process, and the facilities for producing bisphenol A are provided. COPYRIGHT: (C)2003,JPO
申请公布号 JP2003160524(A) 申请公布日期 2003.06.03
申请号 JP20010357023 申请日期 2001.11.22
申请人 IDEMITSU PETROCHEM CO LTD 发明人 KODAMA MASAHIRO;HIRANO KAZUYUKI;OGATA NOBUO
分类号 C07C37/70;C07C39/16;(IPC1-7):C07C37/70 主分类号 C07C37/70
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