Document Type


Date of Award


Degree Name

Master of Science in Chemical Engineering - (M.S.)


Chemical Engineering, Chemistry and Environmental Science

First Advisor

Edward Charles Roche, Jr.

Second Advisor

Ernest N. Bart

Third Advisor

Irwin Hundert


The thesis on the process modelling of the nitration process focuses specifically on the product separation of the nitrated aromatic material from the reactor and - wash section of the process. Included in the text is an overview of the main process steps associated with the production of para and ortho-nitrotoluene. The critical issues concerning the reaction of nitric acid and toluene were summerized, and resulted in this subject being deferred for future work.

The separation of the isomers into pure components is an important. part of the MNT process because of the close high boiling points of the isomeric products. The most desirable product in the process is the para isomer even though the ortho isomer is usable. An existing computer model was modified and used to study the batch distillation columns used to recover toluene and the marketable isomers of MNT. A typical washed organic intermediate feed to the separation section (batch columns) was analyzed using the continuous refiux batch distillation model. The results of the modelling program indicate that the separation campaign is a lengthy process, but that high purity products can be obtained.



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