Life cycle assessment of biofuel production from microalgae cultivated in anaerobic digested wastewater

Authors

  • Gang Li 1. School of Material Science and Mechanical Engineering, Beijing Technology and Business University, Beijing 100048, China;
  • Zhitao Lu 1. School of Material Science and Mechanical Engineering, Beijing Technology and Business University, Beijing 100048, China;
  • Jiang Zhang 1. School of Material Science and Mechanical Engineering, Beijing Technology and Business University, Beijing 100048, China;
  • Huan Li 2. Bioenergy and Environment Science & Technology Laboratory, College of Engineering, China Agricultural University, Beijing 100083, China; 3. Key Laboratory of Clean Production and Utilization of Renewable Energy, Ministry of Agriculture and Rural Affairs, Beijing 100083, China; 4. National Center for International Research of BioEnergy Science and Technology, Ministry of Science and Technology, Beijing 100083, China;
  • Yuguang Zhou 2. Bioenergy and Environment Science & Technology Laboratory, College of Engineering, China Agricultural University, Beijing 100083, China; 3. Key Laboratory of Clean Production and Utilization of Renewable Energy, Ministry of Agriculture and Rural Affairs, Beijing 100083, China; 4. National Center for International Research of BioEnergy Science and Technology, Ministry of Science and Technology, Beijing 100083, China;
  • Ali Mohammed Ibrahim Zayan 5. Department of Agricultural Engineering, Faculty of Agriculture, Omdurman Islamic University, Omdurman Province, Khartoum State, Sudan
  • Zhigang Huang 1. School of Material Science and Mechanical Engineering, Beijing Technology and Business University, Beijing 100048, China;

Keywords:

microalgae, fast pyrolysis, life cycle assessment (LCA), anaerobic digested wastewater (ADW), biofuel production

Abstract

The whole process of biofuel production from Desmodesmus sp. EJ 8-10 cultivated in anaerobic digested wastewater (ADW) under the optimal temperature was evaluated by using the method of Life Cycle Assessment (LCA). The energy efficiency and environment emissions were under considerable for the corresponding parametric study. The functional unit was 1 kg microalgae. It was concluded that the harvest stage was responsible for the main energy consumption during the microalgal whole pyrolysis process. The energy conversion efficiency of the whole process was larger than 1, which indicated that the process was profitable. The environmental impact of the whole process was 1165.67 mPET2000, among which the primary impact on the environment was eutrophication that accounts for 57.36%, followed by photochemical ozone synthesis (22.56%), acidification (17.36%); and global warming (2.73%), respectively. Keywords: microalgae, fast pyrolysis, life cycle assessment (LCA), anaerobic digested wastewater (ADW), biofuel production DOI: 10.25165/j.ijabe.20201301.4178 Citation: Li G, Lu Z T, Zhang J, Li H, Zhou Y G, Zayan A M I, et al. Life cycle assessment of biofuel production from microalgae cultivated in anaerobic digested wastewater. Int J Agric & Biol Eng, 2020; 13(1): 241–246.

Author Biography

Yuguang Zhou, 2. Bioenergy and Environment Science & Technology Laboratory, College of Engineering, China Agricultural University, Beijing 100083, China; 3. Key Laboratory of Clean Production and Utilization of Renewable Energy, Ministry of Agriculture and Rural Affairs, Beijing 100083, China; 4. National Center for International Research of BioEnergy Science and Technology, Ministry of Science and Technology, Beijing 100083, China;

Department of Agricultural Engineering, College of Engineering, CAU; Biomass Engineering Center, CAU; Key Laboratory of Clean Production and Utilization of Renewable Energy, Ministry of Agriculture, P. R. China

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Published

2020-03-02

How to Cite

Li, G., Lu, Z., Zhang, J., Li, H., Zhou, Y., Zayan, A. M. I., & Huang, Z. (2020). Life cycle assessment of biofuel production from microalgae cultivated in anaerobic digested wastewater. International Journal of Agricultural and Biological Engineering, 13(1), 241–246. Retrieved from https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/4178

Issue

Vol. 13 No. 1 (2020): IJABE

Section

Renewable Energy and Material Systems

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