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Increasing Yield in the Manufacturing of MPDSA


Mehul T. Chauhan , L. D. College of Engineering, Ahmedabad, Gujarat, India; Prof. R. N. Shukla, L. D. College of Engineering, Ahmedabad, Gujarat, India; Prof. Hiral N. Pandya, L. D. College of Engineering, Ahmedabad, Gujarat, India


Meta phenylene diamine 4 Sulphonic acid, Oleum 23%, Oleum65%


Meta phenylenediamine 4 sulphonic acid (MPDSA) is one of the important products in the dyestuff sector. The present conventional manufacturing process for MPDSA being carried out at the industry is less efficient and gives an overall yield of about 60 %. But the use of alternative raw materials for the manufacture of MPDSA can give yield as high as upto 80%. In addition, this process also eliminates the use of metal catalysts which cause downstream problems. This method involves the use Metaphenylene Diamine as the raw material instead of 2, 4, dinitrochlorobenzene for the manufacture of MPDSA. A lab scale experiment has been carried out and the overall yield has been found to be higher than that obtained from the conventional process. This paper describes this new manufacturing process and its possible economic benefits. Overall yield is calculated and compared with the conventional process.

Other Details

Paper ID: IJSRDV1I2020
Published in: Volume : 1, Issue : 2
Publication Date: 01/05/2013
Page(s): 130-132

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