Kazan National Research Technological University OBTAINING OF WHEAT STRAW AND SUGAR BEET PULP HYDROLYSATES FOR INDUSTRIAL PROCESSES Maria V. Kharina Assistant lecturer Chemical Cybernetics Department
CONTENT 1. Agricultural wastes 2. Equipment for high temperature acid hydrolysis 3. High temperature acid hydrolysis of wheat straw 4. Methods of sugar beet pulp conversion
Agricultural wastes - raw materials for industrial processes 2
EQUIPMENT FOR HIGH TEMPERATURE ACID HYDROLYSIS OF PLANT MATERIAL The temperature varied in the range 150 - 200 °C and 0. 6 – 1. 2 % wt. hydrolyzing agent * Ruslan M. Nurtdinov et al. High temperature hydrolysis of plant material // Bulletin of the Kazan Technological University. 2011. № 15. p. 150 -153. 3
DYNAMICS OF CARBOHYDRATES YIELD DURING THE HIGH TEMPERATURE ACID HYDROLYSIS OF WHEAT STRAW 4
DISTRIBUTION OF MONOSACCHARIDES IN THE HYDROLYSATES OF WHEAT STRAW 5
Acid hydrolysates of wheat straw xylose furfural xylitol fodder yeast 6
SUGAR BEET PULP PROCESSING Sugar beet pulp 82 -90% Sugar 10 -18% High temperature acid hydrolysis Hydrolysates with content of sugars more than 86 g/l Оligosaccharides Individual sugars Arabinose Glucose Cellulose Enzymatic histolysis Glucose Galactose Nutritional medium 7
THE INFLUENCE OF TEMPERATURE 8
THE INFLUENCE OF SOLID TO LIQUID RATIO 9
DISTRIBUTION OF MONOSACCHARIDES IN THE ACID HYDROLYSATES OF SUGAR BEET PULP 10
HIGH TEMPERATURE ACID HYDROLYSIS OF SUGAR BEET PULP RESULTED IN 42% OF SUGARS CONVERSION 11
ENZYME DIGESTIBILITY OF PRETREATED SUGAR BEET PULP 12
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