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| Optimization of preparation of biodiesel by transesterification of rapeseed oilcatalyzed by pyrrolidone ionic liquid \[HNMP\]CH3SO3 using responsesurface methodology |
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| DOI：10.12166/j.zgyz.1003-7969/2020.01.019 |
| KeyWord:ionic liquid rapeseed oil transesterification biodiesel response surface methodology |
| FundProject:：云南省国际科技特派员项目（2015IA022）；云南省农村能源工程重点实验室基金项目（2017KF03）；云南师范大学大学生科学研究训练项目（ky2017-137，ky2018-142）；云南师范大学2017年和2019年度大学生创新创业训练计划项目联合资助 |
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| Abstract: |
| The acidic ionic liquid \[HNMP\]CH3SO3 was synthesized and used to catalyze the transesterification of rapeseed oil to prepare biodiesel. The response surface methodology was used to optimize the process parameters of ionic liquid \[HNMP\]CH3SO3 catalyzed transesterification of rapeseed oil to preparing biodiesel. The results showed that the optimal reaction conditions were obtained as follows: reaction temperature 100 ℃, molar ratio of methanol to rapeseed oil 9∶ 1, catalyst dosage 10% and reaction time 12 h. Under these conditions, the conversion rate of biodiesel was 84.8%. The ionic liquid had good stability, and the conversion rate of biodiesel could still reach 79.6% when it was recycled for four times. |
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