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Qian Kang

Qian Kang

KU Leuven, Belgium and Beijing University of Chemical Technology, China

Title: Bioethanol from lignocellulosic biomass: Current findings determine research priorities

Biography

Biography: Qian Kang

Abstract

“Second generation” bioethanol, with lignocellulosematerial as feedstock, is a promising alternative for first generation bioethanol. This paper provides an overview of the current status and reveals the bottlenecks that hamper its implementation. The current literature specifies a conversion of biomass to bioethanol of 30 to ∼50% only. Novel processes increase the conversion yield to about 92% of the theoretical yield. New combined processes reduce both the number of operational steps and the production of inhibitors. Recent advances in genetically engineered microorganisms are promising for higher alcohol tolerance and conversion efficiency. By combining advanced systems and by intensive additional research to eliminate current bottlenecks, second generation bioethanol could surpass the traditional first generation processes.

 

Figure: Second generation biomass-to-ethanol production (ST: steam addition)

Recent Publications:

  1. Kang Q, Huybrechts J, Van der Bruggen B, Baeyens J, Tan TW, Dewil R (2014) Hydrophilic Membranes to replace Molecular Sieves in Dewatering the bio-ethanol/water azeotropic mixture. Separation and Purification Technology 136: 144-149.
  2. Kang Q, Van der Bruggen B, Dewil R, Baeyens J, Tan TW (2015) Hybrid operation of the bio-ethanol fermentation. Separation and Purification Technology 149: 322-330.
  3. Kang Q, Baeyens J, Tan TW, Dewil R (2015) A Novel Sintered Metal Fiber Microfiltration of Bio-ethanol Fermentation Broth. The Korean Journal of Chemical Engineering 32: 1625-1633.
  4. Kang Q, Tan TW (2016) Exergy and CO2 analyses as key tools for the evaluation of bio-ethanol production. Sustainability. 8: doi:10.3390/su80100765.
  5. Baeyens J, Kang Q, Appels L, Dewil R,  Lv YQ, Tan TW (2015) Challenges and Opportunities in Improving the production of Bio-ethanol. Progress in  Energy and Combustion Science 47: 60-88.