• N. Aguilar-Rivera
  • M. J. Canizales-Leal
Keywords: barley straw, acid hydrolysis, kinetic model


In the brewery process only the soluble carbohydrates of the barley grain are used. The lignocellulosic material (straw) remains as a residue. In this wok the barley straw was hydrolyzed to obtain fermentable sugars, using a batch reactor. Operating conditions of the reactor were: acid concentration 1%, hydrolysis time (o to 330 min) and temperature (80 to 160°C). The hydrolysis of barley straw was described by a pseudo first order kinetic model.


Aguilar, R., Ramirez, J. A. y Garrote, G. (2002) Kinetic study of the acid hydrolysis of sugar cane bagasse. Journal of Food Engineering 55, 309-318.

Carrasco, F. y Roy, C. (1992). Kinetic study of dilute acid prehydrolysis of xilan containing biomass. Wood Science Technology 26, 183-189.

Farore, W. A. y Cuzens, J. E. (1998). Methods of Producing Sugars Using Strong Acid Hydrolysis. US Patent No. 5,726.046.

Fogler, H. S. (1999). Elements of Chemical Reaction Engineering. Prentice Hall 3a ed. Nueva York, EUA.

Hough, S. J. (1991). Biotecnología de la Cerveza y la Malta, Editorial Acribia, S.A. Zaragoza, España.

Krishna, S. H. y Chowdary, G. V. (2000), Optimization of simultaneous saccharification and fermentation for the production of ethanol from lignocellulosic biomass. Journal Agricultural Food Chemistry 48, 1971-1976

Pessoa, J., Mancilha, I. M. y Sato, S. (1997). Acid hydrolysis of hemicellulose from sugarcane bagasse. Brazilian Journal of Chemical Engineering 14(3), 25-28.

Ranganathan, S., McDonald. D. G., y Bakhshi, N. N. (1985). Kinetic studies of wheat straw hydrolysis using sulphuric acid. Canadian Journal of Chemical Engineering 63, 840- 844.

Saeman, J.F. (1945). Kinetics of wood saccharification, hydrolysis of cellulose and decomposition of sugars in dilute acid at high temperature. Industrial and Engineering Chemistry 37, 43-52
How to Cite
Aguilar-Rivera, N., & Canizales-Leal, M. J. (2020). BARLEY STRAW ACIDIC HYDROLYSIS KINETICS. Revista Mexicana De Ingeniería Química, 3(3), 257-263. Retrieved from