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Biodiesel from different oil using fixed-bed and plug-flow reactors

Author

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  • Lu, Pengmei
  • Yuan, Zhenhong
  • Li, Lianhua
  • Wang, Zhongming
  • Luo, Wen

Abstract

In this study, a pilot scale of 100t/year biodiesel production system, mainly consisting of a fixed-bed and a down-stream plug-flow reactors, was setup to test different feedstock oils, especially a kind of high-acidified oil, trap grease, for their feasibility as biodiesel feedstock in China. The tested oils include three kinds of typical oil from Guangdong Province, China: rapeseed oil, Chinese wood oil, and trap grease. At the same time the optimum residence time for a plug-flow reactor to perform transesterification reaction was investigated in this study. At the temperature of 65°C, methanol/oil molar ratio of 6:1 and KOH load of 1.2wt% of oil, the optimum residence time was found to be 19min. A type of ion-exchange resin was used to fill in the fixed-bed reactor and used as the esterification catalyst for pretreating on the high-acidified oil. For the fresh catalyst, the acid value of trap grease could be reduced from 114mg KOH/g to about 2mg KOH/g after 13h at temperature 75°C, catalyst load of 15wt% of oil, methanol addition of 20wt% of oil. The lifetime test for the catalyst indicated that its life is over 30 days. The quality of biodiesel derived from three feedstock oils is compared with newly published China BD100 standard of GB/T20828-2007. A comparison of the results reveals that the biodiesel generated through this system could satisfactorily meet China BD100 standard. It indicates that the designed process in this system has a good adaptability for different kinds of oil.

Suggested Citation

  • Lu, Pengmei & Yuan, Zhenhong & Li, Lianhua & Wang, Zhongming & Luo, Wen, 2010. "Biodiesel from different oil using fixed-bed and plug-flow reactors," Renewable Energy, Elsevier, vol. 35(1), pages 283-287.
    • Handle: RePEc:eee:renene:v:35:y:2010:i:1:p:283-287
    DOI: 10.1016/j.renene.2009.07.011
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    Citations

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    Cited by:

    1. Ullah, Kifayat & Ahmad, Mushtaq & Sofia, & Qiu, Fengxian, 2015. "Assessing the experimental investigation of milk thistle oil for biodiesel production using base catalyzed transesterification," Energy, Elsevier, vol. 89(C), pages 887-895.
    2. Goli, Jibril & Sahu, Omprakash, 2018. "Development of heterogeneous alkali catalyst from waste chicken eggshell for biodiesel production," Renewable Energy, Elsevier, vol. 128(PA), pages 142-154.
    3. Santori, Giulio & Di Nicola, Giovanni & Moglie, Matteo & Polonara, Fabio, 2012. "A review analyzing the industrial biodiesel production practice starting from vegetable oil refining," Applied Energy, Elsevier, vol. 92(C), pages 109-132.
    4. Inam Ullah Khan & Zhenhua Yan & Jun Chen, 2019. "Optimization, Transesterification and Analytical Study of Rhus typhina Non-Edible Seed Oil as Biodiesel Production," Energies, MDPI, vol. 12(22), pages 1-21, November.
    5. Ullah, Kifayat & Ahmad, Mushtaq & Sultana, Shazia & Teong, Lee Keat & Sharma, Vinod Kumar & Abdullah, Ahmad Zuhairi & Zafar, Muhammad & Ullah, Zahid, 2014. "Experimental analysis of di-functional magnetic oxide catalyst and its performance in the hemp plant biodiesel production," Applied Energy, Elsevier, vol. 113(C), pages 660-669.
    6. Hernández-Montelongo, Rosaura & García-Sandoval, Juan Paulo & González-Álvarez, Alejandro & Dochain, Denis & Aguilar-Garnica, Efrén, 2018. "Biodiesel production in a continuous packed bed reactor with recycle: A modeling approach for an esterification system," Renewable Energy, Elsevier, vol. 116(PA), pages 857-865.
    7. Tan, Yie Hua & Abdullah, Mohammad Omar & Nolasco-Hipolito, Cirilo & Taufiq-Yap, Yun Hin, 2015. "Waste ostrich- and chicken-eggshells as heterogeneous base catalyst for biodiesel production from used cooking oil: Catalyst characterization and biodiesel yield performance," Applied Energy, Elsevier, vol. 160(C), pages 58-70.
    8. Marinković, Dalibor M. & Stanković, Miroslav V. & Veličković, Ana V. & Avramović, Jelena M. & Miladinović, Marija R. & Stamenković, Olivera O. & Veljković, Vlada B. & Jovanović, Dušan M., 2016. "Calcium oxide as a promising heterogeneous catalyst for biodiesel production: Current state and perspectives," Renewable and Sustainable Energy Reviews, Elsevier, vol. 56(C), pages 1387-1408.
    9. Gohain, Minakshi & Bardhan, Pritam & Laskar, Khairujjaman & Sarmah, Saswati & Mandal, Manabendra & Bora, Utpal & Chandra Kalita, Mohan & Goud, Vaibhav Vasant & Deka, Dhanapati, 2020. "Rhodotorula mucilaginosa: A source of heterogeneous catalyst for biodiesel production from yeast single cell oil and waste cooking oil," Renewable Energy, Elsevier, vol. 160(C), pages 220-230.

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