OPTIMIZATION FOR THE LIQUEFACTION OF MOSO BAMBOO IN PHENOL USING RESPONSE SURFACE METHODOLOGY
Keywords:
Liquefaction, Moso bamboo, Response surface methodology, Residue contentAbstract
Bamboo liquefaction is a key process during bamboo high-value utilization, such as bamboobased nano-carbon fiber manufacturing. Liquefaction parameters have direct effects on the performance of final products. The impact of mass ratio of phenol/bamboo (P/B) powder, temperature, and liquefaction time during moso bamboo liquefaction was studied. All these parameters were studied to perform experiments based on response surface methodology (RSM). Residue content was calculated to evaluate the efficiency of moso bamboo liquefaction. Mathematical models were developed to establish the relationship between the liquefaction parameters and residue content. The results showed that within certain limits the residue content decreased with the increase of P/B and temperature; however, a further increase of P/B and temperature caused the residue content to increase. In the selected range of liquefaction time in this study, the residue content decreased with the increase of liquefaction time. The optimized combination of liquefaction parameters was 4.5, 163°C, and 46 min for P/B, temperature, and liquefaction time, respectively. The optimized result of residue content from RSM was 7.41934E-008 (%), which meant the bamboo almost completely liquefied. Because of the reasonable error of experiment, the optimized result of residue content from the confirmation experiment was 0.06%.
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