-
公开(公告)号:US06583327B2
公开(公告)日:2003-06-24
申请号:US10032760
申请日:2001-10-26
申请人: Ralf Demuth , Frank Döbert , Harald Petersen , Georg Ronge , Hans-Martin Weber , Thomas Würminghausen , Eberhard Zirngiebl
发明人: Ralf Demuth , Frank Döbert , Harald Petersen , Georg Ronge , Hans-Martin Weber , Thomas Würminghausen , Eberhard Zirngiebl
IPC分类号: C07C20500
CPC分类号: C07C201/08 , C07C205/06
摘要: The present invention relates to a process for the continuous isothermal preparation of mononitrotoluenes with concentration of the resultant waste sulfuric acid and recycling of the concentrated waste sulfuric acid to the process.