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Cited by 66Algal biology and biofuel productionEnvironmental Impact and SustainabilityBioenergy crop production and management

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

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Li, Gang, 1. School of Material Science and Mechanical Engineering, Beijing Technology and Business University, Beijing 100048, China, Lu, Zhitao, Zhang, Jiang, Li, Huan, Zhou, Yuguang, Mohammed Ibrahim Zayan, Ali, Huang, Zhigang +4 more·2020·International Journal of Agricultural and Biological Engineering
DOI 10.25165/j.ijabe.20201301.4178
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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.

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  • Microalgae reduced 57.4% of eutrophication problems, 22.6% of ozone, and 2.7% of global warming in a study of biofuel production from microalgae cultivated anaerobically in digested wastewater.

    “It was shown that microalgae reduced 57.4% of eutrophication problems, 22.6% of ozone, and 2.7% of global warming [58].”

    From Microalgae-based wastewater treatment: Mechanisms, challenges, recent advances, and future prospects (2023) · cites this paper as [58]

    The Abstract and §5 Conclusions report these percentages as the shares of the biofuel process’s environmental impact, not reductions in those impacts. Eutrophication accounts for 57.36%, photochemical ozone synthesis for 22.56%, and global warming for 2.73%; the citing sentence reverses their meaning. (LLM, conf=0.90)

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Research works printed but not linked: 29

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Authors
Li, G., 1. School of Material Science and Mechanical Engineering, B. T. A. B. U., Lu, Z., Zhang, J., Li, H., Zhou, Y., Mohammed Ibrahim Zayan, A., Huang, Z., 2. Bioenergy and Environment Science & Technology Laboratory, C. O. E., 3. Key Laboratory of Clean Production and Utilization of Renewable Energy, M. O. A. A. R. A., 4. National Center for International Research of BioEnergy Science and Technology, M. O. S. A. T., & 5. Department of Agricultural Engineering, F. O. A.
Affiliations
  • Beijing Technology and Business University (CN)
  • Ministry of Science and Technology of the People's Republic of China (CN)
ORCID
Venue
International Journal of Agricultural and Biological Engineering
Publisher
International Journal of Agricultural and Biological Engineering (IJABE)
Published
2020
Volume
13
Issue
1
Pages
241-246
ISSN
1934-6344 (ISSN-L)
DOI
10.25165/j.ijabe.20201301.4178
OpenAlex
W4253454847
Cited by
66
References
0
Citations by year
2026: 2 · 2025: 2 · 2024: 10 · 2023: 10 · 2022: 16 · 2021: 18 · 2020: 8
FWCI
2.57
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • International journal of agricultural and biological engineering (publishedVersion, cc-by)
  • International journal of agricultural and biological engineering (cc-by)
Funders
  • National Natural Science Foundation of China (51806242, 41942006)
  • China Agricultural University
  • Chinese Universities Scientific Fund (2019TC010)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Environmental Science › Environmental Engineering › Environmental Impact and Sustainability
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Bioenergy crop production and management
Keywords
microalgal biofuels, Desmodesmus, fast pyrolysis, energy efficiency, environmental impact, eutrophication, photochemical ozone formation, acidification, global warming, microalgae cultivation, wastewater valorization

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