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Yi Zheng

Yi ZhengAssistant Professor
436A Brackett Hall

Ph.D. Biosystems Engineering, University of California-Davis, 2007
M.E. Bioenvironmental Engineering, Beijing University of Chemical Technology, China, 2003
B.S. Chemical Engineering, Fuzhou University, China, 2000

Classes | Publications | Honors | CV

Faculty Overview

Dr. Zheng is interested in the development of advanced biotechnologies and bioprocesses for converting biomass into renewable biofuels and bio-based products while protecting the environment and conserving our natural resources. The biomass includes dedicated crops, algae, agricultural residuals, food processing wastes, and municipal solid waste. Dr. Zheng’s research focus is on feedstock handling (e.g., storage and pretreatment) and bioprocess engineering to produce multiple biofuels (i.e., biogas, biodiesel, bioethanol, and liquid hydrocarbon) and bio-products (i.e., bio-based adhesive, unsaturated fatty acids, and film). In order to address the challenges of bioconversion of biomass, especially lignocellulosic biomass, Dr. Zheng is also interested in the integration of chemical catalysis with bioprocesses to improve the efficiency of biomass conversion and reduce the cost. His current research is in the areas of:

  • Anaerobic digestion for biogas production
  • Algae-based fuels and bio-products
  • Enzymatic catalysis and microbial fermentation
  • Lignocellulosic biomass pretreatment

Class Information

For current syllabi, please search the Clemson University Syllabus Repository.

BE 4150/6150 Instrumentation and Control for Biosystems Engineers

Selected Publications

Zheng, Y., Lee, C., Yu, C.W., Cheng, Y.-S., Zhang, R.H., Jenkins, B., VanderGheynst, J., 2013. Dilute Acid Pretreatment and Fermentation of Sugar Beet Pulp to Ethanol. Applied Energy, 105: 1-7.

Zheng, Y., Lee, C., Yu, C.W., Cheng, Y.-S., Simmon, C., Zhang, R.H., Jenkins, B., VanderGheynst, J., 2012.Ensilage and bioconversion of grape pomace into fuel ethanol. Journal of Agricultural and Food Chemistry, 60: 11128-11134.

Cheng, Y.S., Zheng, Y., Labavitch, J.M., VanderGheynst, J.S., 2013. Virus infection of Chlorella variabilis and enzymatic saccharification of algal biomass for bioethanol production. Bioresource Technology, 137: 326-331.

Williams, K., Zheng, Y., McGarvey, J., Fan, Z., Zhang, R.H., 2013. Characterization of Several Clostridia for Production of Ethanol and Volatile Fatty Acids from Plant-based Substrates. Internet Journal of Microbiology. (In press)

Zheng, Y., Cheng, Y.S., Yu, C.W., Zhang, R.H., Jenkins, B.M., VanderGheynst, J.S., 2012. Improving of the efficiency of enzyme utilization for sugar beet pulp hydrolysis. Bioprocess and Biosystems Engineering, 35: 1531-1539.

Zheng, Y., Yates, M., Aung, H., Cheng, Y.S., Yu, C., Guo, H., Zhang, R., Vandergheynst, J., Jenkins, B.M., 2011. Influence of moisture content on microbial activity and silage quality during ensilage of food processing residues. Bioprocess and Biosystems Engineering, 34: 987-995.

Zheng, Y., Lee, C., Yu, C.W., Cheng, Y., Simmons, C., Dooley, T., Zhang, R., Jenkins, B.M., 2012. Integrating Sugar Beet Pulp Storage, Hydrolysis and Fermentation for Fuel Ethanol Production. Applied Energy, 93: 168-175.

Cheng, Y.S., Zheng, Y., Labavitch, J., Vandergheynst, J., 2011. The impact of cell wall carbohydrate composition on the chitosan flocculation of Chlorella. Process Biochemistry, 46: 1927-1933.

Zheng, Y., Yu, C.W., Cheng, Y., Zhang, R.H., Jenkins, B., VanderGheynst, J., 2011. Effects of ensilage on storage and enzymatic degradability of sugar beet pulp. Bioresource Technology, 102: 1489-1495.

Cheng, Y., Zheng, Y., VanderGheynst, J. S., 2010. Rapid quantitative analysis of lipids using a colorimetric method in a microplate format. Lipid, 46, 95-103.
Cheng, Y., Zheng, Y., Yu, C. W., Jenkins, B. M., VanderGheynst, J. S., 2010. Evaluation of high solids alkaline pretreatment of rice straw. Appl. Biochem. Biotechnol. 162: 1768-1784.

Yu, C., Zheng, Y., Cheng, Y., VanderGheynst, J., Jenkins, B., Zhang, R., 2010. Solid-liquid extraction of alkali metals and organic compounds by leaching of food industry residues. Bioresour. Technol. 101: 4331-4336.

Zheng, Y., Pan, Z., Zhang, R.H., Jenkins, B., 2009. Kinetic modeling of enzymatic hydrolysis of pretreated Creeping Wild Ryegrass. Biotechnol. Bioeng., 102, 1558-1569.

Williams, K., Zheng, Y., McGarvey, J., Fan, Z., Zhang, R.H., 2012. Ethanol and volatile fatty acid production from lignocellulose by Clostridium cellulolyticum. ISRN Biotechnology. (Doi:10.5402/2013/137835)

Zheng, Y., Pan, Z., Zhang, R.H., Jenkins, B.M., Mashad, H., 2009. Anaerobic Digestion of Saline Creeping Ryegrass for Biogas Production and Pretreatment of Particleboard Materials. Bioresource Technology, 100, 1582-1588.

Awards & Honors

Top 12 postdoctoral researchers at UCDavis, 2009
ASABE CA/NV section graduate student competition award, first prize, 2007
DuPont Graduate Fellowship, 2003
IEEE senior member
Sigma Xi, the Scientific Research Society
Gamma Sigma Delta, Honor Society of Agriculture, honorary member
American Society of Agricultural and Biological Engineers
American Chemical Society