FIELD: chemistry.
SUBSTANCE: invention relates to the technique for nitration of aromatic compounds, and specifically to a method for catalytic nitration of aromatic compounds with nitric acid in a column-type apparatus. The apparatus is simultaneously a reactor and a fractionation column and is filled with a catalytically active filling consisting of a carrier on which an active component is deposited. The catalytically active filling used has ratio of the mass of the active component to the volume of the catalyst of about 0.4 g/cm3, with the amount of the active component - sulphated titanium or zirconium oxides of 5-20% of the mass of the catalyst.
EFFECT: invention provides high rate of nitration without using excess nitric acid, reduces output of byproducts and improves isomeric composition of products.
3 tbl, 10 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PRODUCING AROMATIC NITRO COMPOUNDS | 2008 |
|
RU2394809C1 |
| LIQUID-PHASE CATALYTIC AROMATICS' NITRATION PROCESS | 2002 |
|
RU2226187C1 |
| METHOD FOR PRODUCING 5(6)-NITRO-1-(4-NITROPHENYL)-1,3,3-TRIMETHYLINDANES | 2014 |
|
RU2551672C1 |
| METHOD OF PRODUCING NITROBENZENE | 2010 |
|
RU2451008C2 |
| HIGHLY-POROUS HONEYCOMB CATALYST FOR PROCESSES OF LIQUID-PHASE HYDRATION | 2005 |
|
RU2333795C2 |
| METHOD OF OBTAINING MONONITROTOLUENE WITH INCREASED P-ISOMER CONTENT | 2007 |
|
RU2346930C1 |
| METHOD OF CATALYTIC NITRATION OF AROMATIC COMPOUNDS ON CELLULAR HIGH-POROSITY CATALYST | 2005 |
|
RU2309142C1 |
| METHOD OF PRODUCING 5(6)-NITRO-1-(4-NITROPHENYL)-1,3,3-TRIMETHYLINDANES | 2014 |
|
RU2559356C1 |
| METHOD AND EQUIPMENT FOR PRODUCTION OF LOW-AROMATIC HIGH-OCTANE PRODUCT FLOWS | 2013 |
|
RU2611625C2 |
| HYDROCARBON CONVERSION CATALYST, CATALYST PREPARATION PROCESS, AND HYDROCARBON CONVERSION PROCESS | 2002 |
|
RU2294797C2 |
