Production method of para-dichlorobenzene

    公开(公告)号:JP5366610B2

    公开(公告)日:2013-12-11

    申请号:JP2009077003

    申请日:2009-03-26

    CPC分类号: Y02P20/52

    摘要: PROBLEM TO BE SOLVED: To provide a method for producing para-dichlorobenzene, by which a reactor can be operated as a full scale facility to give the para-dichlorobenzene in high reaction selectivity. SOLUTION: This method for producing the para-dichlorobenzene, comprising chlorinating at least one of benzene and monochlorobenzene as a raw material with chlorine gas, is characterized by supplying the raw material and the chlorine gas to a first step reactor among reactors having a plurality of steps and having a zeolite-containing catalyst set therein, separating the first step reaction product into the un-reacted raw material and the product, returning the un-reacted product to the first step reactor, supplying the product to the next step reactor, supplying the chlorine gas to the next and latter step reactors, and obtaining the para-dichlorobenzene from the final step reaction product. COPYRIGHT: (C)2011,JPO&INPIT