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Optimization and analysis of a bioethanol agro-industrial system from sweet sorghum

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  • Guo, Ying
  • Hu, Shan-ying
  • Li, You-run
  • Chen, Ding-jiang
  • Zhu, Bing
  • Smith, Karl M.

Abstract

The use of non-food crops for bioethanol production represents an important trend for renewable energy in China. In this paper, a bioethanol agro-industrial system with distributed fermentation plants from sweet sorghum is presented. The system consists of the following processes: sweet sorghum cultivation, crude ethanol production, ethanol refining and by-product utilization. The plant capacities of crude ethanol and pure ethanol, in different fractions of useful land, are optimized. Assuming a minimum cost of investment, transport, operation and so on, the optimum capacity of the pure ethanol factory is 50,000tonnes/year. Moreover, this bioethanol system, which requires ca. 13,300ha (hectares) of non-cultivated land to supply the raw materials, can provide 26,000 jobs for rural workers. The income from the sale of the crops is approximately 71 million RMB Yuan and the ethanol production income is approximately 94 million RMB Yuan. The potential savings in CO2 emissions are ca. 423,000tonnes/year and clear economic, social and environmental benefits can be realized.

Suggested Citation

  • Guo, Ying & Hu, Shan-ying & Li, You-run & Chen, Ding-jiang & Zhu, Bing & Smith, Karl M., 2010. "Optimization and analysis of a bioethanol agro-industrial system from sweet sorghum," Renewable Energy, Elsevier, vol. 35(12), pages 2902-2909.
    • Handle: RePEc:eee:renene:v:35:y:2010:i:12:p:2902-2909
    DOI: 10.1016/j.renene.2010.04.024
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    Cited by:

    1. Appiah-Nkansah, Nana Baah & Li, Jun & Rooney, William & Wang, Donghai, 2019. "A review of sweet sorghum as a viable renewable bioenergy crop and its techno-economic analysis," Renewable Energy, Elsevier, vol. 143(C), pages 1121-1132.
    2. Marian R. Chertow & Koichi S. Kanaoka & Jooyoung Park, 2021. "Tracking the diffusion of industrial symbiosis scholarship using bibliometrics: Comparing across Web of Science, Scopus, and Google Scholar," Journal of Industrial Ecology, Yale University, vol. 25(4), pages 913-931, August.
    3. Fernandes, Gislaine & Braga, Thais G. & Fischer, Janaína & Parrella, Rafael A.C. & de Resende, Miriam M. & Cardoso, Vicelma L., 2014. "Evaluation of potential ethanol production and nutrients for four varieties of sweet sorghum during maturation," Renewable Energy, Elsevier, vol. 71(C), pages 518-524.

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