An overview of integration opportunities for sustainable bioethanol production from first- and second-generation sugar-based feedstocks

Bamidele Victor Ayodele, May Ali Alsaffar, Siti Indati Mustapa

Research output: Contribution to journalReview article

Abstract

The production of bioethanol from second generation feedstocks which are mainly lignocellulosic biomass provides the opportunities for a cleaner, and low carbon biofuel that can serve as an alternative to fossil fuel. However, one major constrain is the high cost of production due to expensive pre-treatment technologies. On the other hand, bioethanol production using first generation feedstock is a proven and well-established technology with high bioethanol productivity and yield, but the process is identified with the issues of food-to-fuel debate and high environmental impact from land use charge. Integrating second generation bioethanol production process with the well proven first generation bioethanol production facilities has the potential of harnessing the synergistic effect that could maximize the technical, economic and environmental benefits of the integrated first and second generation process. This study examined literature on studies related to first generation bioethanol production, second generation bioethanol production and the integrated first and second generation processes with the aim of identifying the extent of integration opportunities for first and second generation bioethanol production from different sugar-based feedstocks. The review put into consideration the different process scenarios available in terms of the technical, economic and environmental benefits of the bioethanol production processes. The benefits of the different integration scenarios for bioethanol production were considered in comparison with the standalone first generation and second generation bioethanol production scenarios. Based on the consideration of the different integration scenarios, some recommendations were proposed for attention in future research on the integration of first and second generation bioethanol production from sugar-based feedstocks.

Original languageEnglish
Article number118857
JournalJournal of Cleaner Production
DOIs
Publication statusAccepted/In press - 01 Jan 2019

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Bioethanol
Sugars
Feedstocks
sugar
well technology
economics
biofuel
fossil fuel
environmental impact
land use
productivity
food
carbon
biomass
cost
Economics
Biofuels
Fossil fuels
Land use
Environmental impact

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Environmental Science(all)
  • Strategy and Management
  • Industrial and Manufacturing Engineering

Cite this

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