Process for the production of dinitrotoluene

Details Process for the production of dinitrotoluene Process for the production of dinitrotoluene

C - Chemistry, Metallurgy

07

C

260/610.9

C07C 205/06 (2006.01)

Patent

CA 1238652

Process for the production of dinitrotoluene A b s t r a c t In the production of dinitrotoluene by a two- stage reaction of toluene with nitric acid in the presence of sulphuric acid, wherein toluene is nitrated to mononitrotoluene in the first stage using spent acid from the second stage, and the mononitrotoluene is nitrated to dinitrotoluene in the second stage using concentrated spent acid from the first stage, the improvement which comprises concentrating spent acid under vacuum in an in- directly-heated evaporator and feeding mononitrotoluene into the superheated vapor of the evaporator. Le A 22 731

476480

Affiliated with

Also associated with

Rating

Process for the production of dinitrotoluene does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the production of dinitrotoluene, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the production of dinitrotoluene will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1286172