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首页> 外文期刊>Energy Conversion & Management >In situ heterogeneous transesterification of microalgae using combined ultrasound and microwave irradiation
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In situ heterogeneous transesterification of microalgae using combined ultrasound and microwave irradiation

机译：超声和微波联合辐照微藻原位异质酯交换

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摘要

Heterogeneous KF/CaO catalyst, prepared by the wet impregnation method with different KF loadings (15-35 wt.%) and calcination temperatures (600-1000 ℃), was used to assist biodiesel production from microalgae Chlorella vulgaris under the combination of ultrasound and microwave (US-MW) irradiation. It was found that the catalyst calcinated at 900 ℃ with 25 wt.% KF loading presented the optimum performance, when the test was conducted with 12 wt.% of catalyst and a methanol to biomass ratio of 8:1 at 60 ℃ for 45 min. The highest fatty acid methyl esters (FAME) yield was 93.07 ± 2.39%, which was significantly higher than that achieved by using US or MW irradiation individually. The catalysts were characterized by X-ray diffraction, scanning electron microscopy and Brunauer-Emmett-Teller.
机译：通过湿法浸渍法制备了不同KF负载量（15-35 wt。％）和煅烧温度（600-1000℃）的多相KF / CaO催化剂，用于在超声和超声波结合下辅助由微藻小球藻生产生物柴油。微波（US-MW）辐射。结果表明，当在12重量％的催化剂和60℃下甲醇与生物质比为8：1的条件下进行45分钟的测试时，以25重量％的KF负载在900℃下煅烧的催化剂表现出最佳性能。 。最高的脂肪酸甲酯（FAME）产率为93.07±2.39％，明显高于单独使用US或MW辐照获得的脂肪酸甲酯。通过X射线衍射，扫描电子显微镜和Brunauer-Emmett-Teller表征催化剂。

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  • 来源
    《Energy Conversion & Management》 |2015年第1期|41-46|共6页
  • 作者

    Guixia Ma; Wenrong Hu; Haiyan Pei; Liqun Jiang; Mingming Song; Ruimin Mu;

  • 作者单位

    School of Environmental Science and Engineering, Shandong University, Jinan 250100, China,School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, China;

    School of Environmental Science and Engineering, Shandong University, Jinan 250100, China,Shandong Provincial Engineering Centre on Environmental Science & Technology, Jinan 250061, China;

    School of Environmental Science and Engineering, Shandong University, 27 Shanda Nan Road, Jinan 250100, China,Shandong Provincial Engineering Centre on Environmental Science & Technology, Jinan 250061, China;

    School of Environmental Science and Engineering, Shandong University, Jinan 250100, China;

    School of Environmental Science and Engineering, Shandong University, Jinan 250100, China;

    School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Microalgae; Biodiesel; Ultrasound and microwave; Transesterification; Heterogeneous catalyst;

    机译：微藻;生物柴油超声波和微波;酯交换;非均相催化剂;

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