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Submitted on: 23 April 2004.
Revised on: 23 May 2004.
Accepted on: 07 June 2004.
Revista Mexicana de Ingenieria Quimica
Submitted on: 13 June 2000.
Revised on: 09 July 2000.
Accepted on: 24 July 2000.
Revista Mexicana de Ingenieria Quimica
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Submitted on: 26 September 2013.
Revised on: 02 November 2013.
Accepted on: 24 November 2013.
Revista Mexicana de Ingenieria Quimica
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