期刊
ULTRASONICS SONOCHEMISTRY
卷 23, 期 -, 页码 53-58出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ultsonch.2014.08.020
关键词
Biodiesel; Soybean oil deodorizer distillate; Counter-current pulsed ultrasound
资金
- Jiangsu Province Ordinary University Innovative Research Program [CXLX11_0602, CXZZ12_0699]
- Open project of Jiangsu Provincial Key Laboratory of Palygorskite Science and Applied Technology [HPK201305]
- Colleges and universities in Jiangsu Province Natural Science Fund [13KJD550001]
- Open project of Jiangsu Provincial Engineering Laboratory for Biomass Conversion and Process Integration [JPELBCPL2012003]
Biodiesel production from soybean oil deodorizer distillate enhanced by counter-current pulsed ultrasound was studied. Effect of static probe ultrasonic enhanced transesterification (SPUE) and counter-current probe ultrasonic enhanced transesterification (CCPUE) on the biodiesel conversion were compared. The results indicated that CCPUE was a better method for enhancing transesterification. The working conditions of CCPUE were studied by single-factor experiment design and the results showed that the optimal conditions were: initial temperature 25 C, methanol to triglyceride molar ratio 10:1, flow rate 200 mL/min, catalyst content 1.8%, ultrasound working on-time 4 s, off-time 2 s, total working time 50 min. Under these conditions, the average biodiesel conversion of three experiments was 96.1%. (C) 2014 Elsevier B.V. All rights reserved.
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