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| Synergy Effects of Additives on Enzymolysis and Saccharification of Rice Straw Under Exogenous Electric Field |
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| KeyWord:lignocellulose; cellulase; saccharification; electric field; synergy |
| Author Name | Affiliation | | WANG Yong-zhong | Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400030, China
Institute of Engineering Thermophysics, Chongqing University, Chongqing 400030, China
School of Bioengineering, Chongqing University, Chongqing 400030, China | | XU Teng-fei | Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400030, China
Institute of Engineering Thermophysics, Chongqing University, Chongqing 400030, China | | LIAO Qiang | Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400030, China
Institute of Engineering Thermophysics, Chongqing University, Chongqing 400030, China | | ZHU Xun | Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400030, China
Institute of Engineering Thermophysics, Chongqing University, Chongqing 400030, China | | CHEN Rong | Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Ministry of Education, Chongqing University, Chongqing 400030, China
Institute of Engineering Thermophysics, Chongqing University, Chongqing 400030, China |
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| Abstract: |
| Conversion efficiency of lignocelluloses to ethanol is influenced by many factors. In this work, enzymatic saccharification of pretreated rice straw was explored in four additives（Tween-80, PEG 6000, BSA and [BMIM]Cl） with and without different electric field strengths from two parallel electrodes. Saccharification efficiency was 26.6% greater at 12 V·m-1 of electric field strength than the control. At this electric field strength, applying Tween-80 at 200 μL·g-1, PEG 6000 at 40 mg·g-1 and BSA at 20 mg·g-1 further enhanced saccharification efficiency. However, ionic liquid [BMIM]Cl had inhibition to enzymatic saccharification of rice straw. The experimental results indicate that proper additives such as Tween-80, PEG 6000 and BSA could effectively improve efficiency of enzymatic saccharification of lignocellulose with parallel electric field, with BSA showing the greatest efficiency of lignocellulosic saccharification. |
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