发明名称 |
PROCESS FOR ADIABATIC PRODUCTION OF MONONITROTOLUENE |
摘要 |
<p>A process for continuous adiabatic nitration of toluene to mononitrotoluene (MNT). The process yields a product quality of MNT that is comparable to that obtained by isothermal production. The process uses excess toluene, with the reaction rate being controlled to maintain a residual of 0.003-0.102 wt % nitric acid in the spent acid and an orange to red color of the spent acid. Further process conditions include re-concentrated sulfuric acid at 83 to 99 degrees C. with a concentration of sulfuric acid from 66 to 70.5 wt %. This is mixed with nitric acid to generate a mixed acid with 1.0 to 3.8 wt % nitric acid and toluene is added at a rate of 1.1 to 1.71 moles toluene/mole nitric acid. The reactants are mixed in a reactor with an overall average mixing intensity of 5.8 to 19 W/kg of contained solution.</p> |
申请公布号 |
KR20140139556(A) |
申请公布日期 |
2014.12.05 |
申请号 |
KR20147028800 |
申请日期 |
2013.03.21 |
申请人 |
NORAM INTERNATIONAL LIMITED |
发明人 |
GATTRELL MICHAEL |
分类号 |
C07C201/08;C07C201/16;C07C205/06 |
主分类号 |
C07C201/08 |
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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