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The combined effects of the devaluation of the CFA franc in 1992, the food crisis of 2008 and the strong demand for grain products developed urban dwellers have proven to be a necessity of development of grain products manufacturing units marketable and storable without any risk of alteration for cereal craftsmen. This contribution conducted at 40 ° C and 55 ° C with air speeds of 1m / s 2m / s and 3m / s is in the kinetic study of a technological process couscous drying to determine the optimum conditions of the process of dehydration. She found that the drying kinetics of couscous takes place in three phases; indicating that couscous is rich in water and that it can be stored at room temperature unless it is dried. Henceforth it is imperative to have a good knowledge and mastery of these three phases that impact on product quality This study showed that the experiments performed at a speed of air 3m / s at 40 ° C temperatures and 55 ° C, show a brown coloration due to Maillard reactions. We see that the browning phenomena are more pronounced at the speed of 3m / s and 55 ° C. It is found that the slow drying is better suited to the quick dry couscous. In addition to further drying the air velocity of 1m / s correlated with the temperature of 40 ° C is the most suitable as well as good monitoring of the evolution of the temperature during the drying phase warm up for a good product.

To assess the energy potential of the species Typha domingensis, tests were conducted in the laboratory to determine assess the amount of biogas produced per liter of fermentor per kg dry matter (ms). Thus, after 37 days of fermentation in a digester 1000ml containing 150g biomass production cumulative biogas obtained is 8955 ml titrating 40.4% methane, is 59.70 ml / g of biomass (1 , 61l /g/ j) or 0.24 l /l /j). This plant species has an identical biogas that of Euphorbia Tirucalli digested in the same conditions of temperature and preparation. However Typha biogas produces less than the stomachs of cattle (0,65l / lj) but more than the sewage sludge (0,11l / lj).

The combined effects of the devaluation of the CFA franc in 1992, the food crisis of 2008 and the strong demand for grain products developed urban dwellers have proven to be a necessity of development of grain products manufacturing units marketable and storable without any risk of alteration for cereal craftsmen. This contribution conducted at 40 ° C and 55 ° C with air speeds of 1m / s 2m / s and 3m / s is in the kinetic study of a technological process couscous drying to determine the optimum conditions of the process of dehydration. She found that the drying kinetics of couscous takes place in three phases; indicating that couscous is rich in water and that it can be stored at room temperature unless it is dried. Henceforth it is imperative to have a good knowledge and mastery of these three phases that impact on product quality This study showed that the experiments performed at a speed of air 3m / s at 40 ° C temperatures and 55 ° C, show a brown coloration due to Maillard reactions. We see that the browning phenomena are more pronounced at the speed of 3m / s and 55 ° C. It is found that the slow drying is better suited to the quick dry couscous. In addition to further drying the air velocity of 1m / s correlated with the temperature of 40 ° C is the most suitable as well as good monitoring of the evolution of the temperature during the drying phase warm up for a good product.

To assess the energy potential of the species Typha domingensis, tests were conducted in the laboratory to determine assess the amount of biogas produced per liter of fermentor per kg dry matter (ms). Thus, after 37 days of fermentation in a digester 1000ml containing 150g biomass production cumulative biogas obtained is 8955 ml titrating 40.4% methane, is 59.70 ml / g of biomass (1 , 61l /g/ j) or 0.24 l /l /j). This plant species has an identical biogas that of Euphorbia Tirucalli digested in the same conditions of temperature and preparation. However Typha biogas produces less than the stomachs of cattle (0,65l / lj) but more than the sewage sludge (0,11l / lj).

To assess the energy potential of the species Typha domingensis, tests were conducted in the laboratory to determine assess the amount of biogas produced per liter of fermentor per kg dry matter (ms). Thus, after 37 days of fermentation in a digester 1000ml containing 150g biomass production cumulative biogas obtained is 8955 ml titrating 40.4% methane, is 59.70 ml / g of biomass (1 , 61l /g/ j) or 0.24 l /l /j). This plant species has an identical biogas that of Euphorbia Tirucalli digested in the same conditions of temperature and preparation. However Typha biogas produces less than the stomachs of cattle (0,65l / lj) but more than the sewage sludge (0,11l / lj).

The combined effects of the devaluation of the CFA franc in 1992, the food crisis of 2008 and the strong demand for grain products developed urban dwellers have proven to be a necessity of development of grain products manufacturing units marketable and storable without any risk of alteration for cereal craftsmen. This contribution conducted at 40 ° C and 55 ° C with air speeds of 1m / s 2m / s and 3m / s is in the kinetic study of a technological process couscous drying to determine the optimum conditions of the process of dehydration. She found that the drying kinetics of couscous takes place in three phases; indicating that couscous is rich in water and that it can be stored at room temperature unless it is dried. Henceforth it is imperative to have a good knowledge and mastery of these three phases that impact on product quality This study showed that the experiments performed at a speed of air 3m / s at 40 ° C temperatures and 55 ° C, show a brown coloration due to Maillard reactions. We see that the browning phenomena are more pronounced at the speed of 3m / s and 55 ° C. It is found that the slow drying is better suited to the quick dry couscous. In addition to further drying the air velocity of 1m / s correlated with the temperature of 40 ° C is the most suitable as well as good monitoring of the evolution of the temperature during the drying phase warm up for a good product.

The combined effects of the devaluation of the CFA franc in 1992, the food crisis of 2008 and the strong demand for grain products developed urban dwellers have proven to be a necessity of development of grain products manufacturing units marketable and storable without any risk of alteration for cereal craftsmen. This contribution conducted at 40 ° C and 55 ° C with air speeds of 1m / s 2m / s and 3m / s is in the kinetic study of a technological process couscous drying to determine the optimum conditions of the process of dehydration. She found that the drying kinetics of couscous takes place in three phases; indicating that couscous is rich in water and that it can be stored at room temperature unless it is dried. Henceforth it is imperative to have a good knowledge and mastery of these three phases that impact on product quality This study showed that the experiments performed at a speed of air 3m / s at 40 ° C temperatures and 55 ° C, show a brown coloration due to Maillard reactions. We see that the browning phenomena are more pronounced at the speed of 3m / s and 55 ° C. It is found that the slow drying is better suited to the quick dry couscous. In addition to further drying the air velocity of 1m / s correlated with the temperature of 40 ° C is the most suitable as well as good monitoring of the evolution of the temperature during the drying phase warm up for a good product.

The combined effects of the devaluation of the CFA franc in 1992, the food crisis of 2008 and the strong demand for grain products developed urban dwellers have proven to be a necessity of development of grain products manufacturing units marketable and storable without any risk of alteration for cereal craftsmen. This contribution conducted at 40 ° C and 55 ° C with air speeds of 1m / s 2m / s and 3m / s is in the kinetic study of a technological process couscous drying to determine the optimum conditions of the process of dehydration. She found that the drying kinetics of couscous takes place in three phases; indicating that couscous is rich in water and that it can be stored at room temperature unless it is dried. Henceforth it is imperative to have a good knowledge and mastery of these three phases that impact on product quality This study showed that the experiments performed at a speed of air 3m / s at 40 ° C temperatures and 55 ° C, show a brown coloration due to Maillard reactions. We see that the browning phenomena are more pronounced at the speed of 3m / s and 55 ° C. It is found that the slow drying is better suited to the quick dry couscous. In addition to further drying the air velocity of 1m / s correlated with the temperature of 40 ° C is the most suitable as well as good monitoring of the evolution of the temperature during the drying phase warm up for a good product.

To assess the energy potential of the species Typha domingensis, tests were conducted in the laboratory to determine assess the amount of biogas produced per liter of fermentor per kg dry matter (ms). Thus, after 37 days of fermentation in a digester 1000ml containing 150g biomass production cumulative biogas obtained is 8955 ml titrating 40.4% methane, is 59.70 ml / g of biomass (1 , 61l /g/ j) or 0.24 l /l /j). This plant species has an identical biogas that of Euphorbia Tirucalli digested in the same conditions of temperature and preparation. However Typha biogas produces less than the stomachs of cattle (0,65l / lj) but more than the sewage sludge (0,11l / lj).

To assess the energy potential of the species Typha domingensis, tests were conducted in the laboratory to determine assess the amount of biogas produced per liter of fermentor per kg dry matter (ms). Thus, after 37 days of fermentation in a digester 1000ml containing 150g biomass production cumulative biogas obtained is 8955 ml titrating 40.4% methane, is 59.70 ml / g of biomass (1 , 61l /g/ j) or 0.24 l /l /j). This plant species has an identical biogas that of Euphorbia Tirucalli digested in the same conditions of temperature and preparation. However Typha biogas produces less than the stomachs of cattle (0,65l / lj) but more than the sewage sludge (0,11l / lj).