How to adjust materials lignocellulose bass are described and studied extensively in order to improve the production of ethanol. By pretreatment with sodium hydroxide as a suitable means to adjust the biomass of grasses. (Which includes biomass of plants, rice) due to lower lignin content compared to wood. Pressure is selected primary efficacy of pretreatment straw rice 41 with a 5% w / v NaOH at 50, 60, 70, 80 and 100 ͦ C rate of% total solid recovery and the time it takes to adjust. Ideal conditions
Figure 1 shows that the temperature in the pretreatment affect% total solid recovery by temperature varies inversely with% total solid recovery considering Figure 2, each temperature to adjust. condition Found that at 60, 70, 80 and 100 ͦ C for 3 hours at a suitable% total solid recovery significantly. The selection and temperature conditions 50 ͦ C for 5 hours to catch a simple task compared with the pretreatment of wheat straw. Sophonputtanaphoca et al. (2012) have been selected from the conditions listed above. Leading to the production of sugar is fermented from rice straw through pretreatment with NaOH next.
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