Life cycle assessment of pyrolysis process of Desmodesmus sp.

Authors

  • Li Gang 1. College of Engineering / Biomass Engineering Center, China Agricultural University, Beijing 100083, China;
  • Ji Fang 1. College of Engineering / Biomass Engineering Center, China Agricultural University, Beijing 100083, China; 2. Key Laboratory of Clean Production and Utilization of Renewable Energy, Ministry of Agriculture, Beijing 100083, China 3. Chinese Academy of Agricultural Engineering, Beijing 100125, China
  • Zhou Yuguang 1. College of Engineering / Biomass Engineering Center, China Agricultural University, Beijing 100083, China; 2. Key Laboratory of Clean Production and Utilization of Renewable Energy, Ministry of Agriculture, Beijing 100083, China
  • Dong Renjie 1. College of Engineering / Biomass Engineering Center, China Agricultural University, Beijing 100083, China; 2. Key Laboratory of Clean Production and Utilization of Renewable Energy, Ministry of Agriculture, Beijing 100083, China

DOI:

https://doi.org/10.25165/ijabe.v8i5.2069

Keywords:

life cycle assessment (LCA), microalgae, pyrolysis, energy conversion efficiency, environmental impact

Abstract

This paper described a comprehensive assessment of the pyrolysis process of 1 kg Desmodesmus sp. cultivated in BG11 medium at the optimum temperature by using life cycle assessment method. This assessment took 1 kg of Desmodesmus sp. as a functional unit, and chose energy efficiency analysis and potential environmental impact as assessment indices. The results showed that the energy conversion efficiency index of the pyrolysis process was above 1, which meant the pyrolysis process was beneficial. The primary impact of the pyrolysis process on the environment was eutrophication; which followed by photochemical ozone synthesis and acidification; and global warming impact was the last. The overall environmental impact during the whole life cycle was 1 347.63 mPET2000. Keywords: life cycle assessment (LCA), microalgae, pyrolysis, energy conversion efficiency, environmental impact DOI: 10.3965/j.ijabe.20150805.2069 Citation: Li G, Ji F, Zhou Y G, Dong R J. Life cycle assessment of pyrolysis process of Desmodesmus sp. Int J Agric & Biol Eng, 2015; 8(5): 105－112.

Author Biography

Zhou Yuguang, 1. College of Engineering / Biomass Engineering Center, China Agricultural University, Beijing 100083, China; 2. Key Laboratory of Clean Production and Utilization of Renewable Energy, Ministry of Agriculture, 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

2015-10-31

How to Cite

Gang, L., Fang, J., Yuguang, Z., & Renjie, D. (2015). Life cycle assessment of pyrolysis process of Desmodesmus sp. International Journal of Agricultural and Biological Engineering, 8(5), 105–112. https://doi.org/10.25165/ijabe.v8i5.2069

Issue

Vol. 8 No. 5 (2015): IJABE

Section

Renewable Energy and Material Systems

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