This research studied the effect of how to adjust the young shoots and leaves into sugar cane before digestion by the enzymes for use in the production of ethanol. Analysis of the chemical composition of the young shoots and leaves of sugar cane was cellulose, hemicellulose, lignin.35.2 23.43 12.6 6,, and.59%, respectively. This research condition by comparing the 3 way is 1) pretreatment with sodium hydroxide solution, the concentration 2 percent. (w / V), then it was heated in the steamer vapour pressure 2).The concentration 2% (w / V), and the heat in the steamer vapour pressure 3) ปรับส images using 2 steps together. The pretreatment with sodium hydroxide concentration solution. 2% (weight / volume).In the vapor pressure, steam pot Followed by pretreatment with sulfuric acid solution, the concentration 2% (w / V) it was heated in the pot, steam pressure The results showed that the adjustment of the 2.The young shoots and leaves of sugar cane used 15 g dry weight, reducing sugar content 89.95 g / L, and amount of ethanol as high as 30.40 g / L at the time 48 hours. Also, when comparing the washing steps and not washed sludge sludge after adjusting, it was found that washing sludge after pretreatment can reduce toxin fertility) and Fu3 how the condition
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