Process for reacting the sulfuric acid contained in a...

Details Process for reacting the sulfuric acid contained in a... Process for reacting the sulfuric acid contained in a...

C - Chemistry, Metallurgy

07

C

260/504.4

C07C 143/24 (1980.01)

Patent

CA 1078406

PROCESS FOR REACTING THE SULFURIC ACID CONTAINED IN A DISULFONIC ACID PRODUCT OF AN AROMATIC HYDROCARBON ABSTRACT OF THE DISCLOSURE Sulfuric acid contained in a disulfonic acid product of an aromatic hydrocarbon that is produced from the reaction of the aromatic hydrocarbon or the mono-sulfonic acid of the aromatic hydrocarbon with an excess amount of oleum is reacted with the aromatic hydrocarbon without the necessity of remov- ing the water formed by such reaction. The disulfonic acid product of the aromatic hydrocarbon containing sulfuric acid is contacted with an aromatic hydrocarbon to give a molar ratio of aromatic hydrocarbon to sulfuric acid in the range of about 0.25 to around 2 and at a temperature in the range of 130° to 200°C.

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