Professor and Graduate Program Chair
Biological and Agricultural Engineering
Bioenvironmental engineering. Treatment of agricultural and food wastes for pollution prevention and resource utilization; air quality control for animal and human environments; study of biological, physical, and chemical processing techniques for organic waste conversion and nutrient management; control of gaseous and particulate emissions from animal feedlots and food processing facilities.
Selected Recent Publications
Aramrueang, N., S. M. Zicari and R. Zhang. 2018. Characterization and compositional analysis of agricultural crops and residues for ethanol production in California. Biomass and Bioenergy, 105: 288-297.
Venkitasamy, C., C. Zhu, M.T. Brandl, F. J.A. Niederholzer, R. Zhang, T.H. McHugh and Z. Pan. 2018. Drying and inactivation of Enterococcus faecium in raw almonds by sequential infrared and hot air drying. LWT – Food Science and Technology, 95: 123-128.
Liu, C., W. Wang, N. Anwar, Z. Ma, G. Liu and R. Zhang. 2018. Effect of organic loading rate on anaerobic digestion of food waste under mesophilic and thermophilic conditions. Energy Fuels, 31(3): 2976-2984.
Zhang, R. and H.M. El-Mashad: Waste Management in Egg Production. 2018. Julie Roberts, (ed), Achieving Sustainable Production of Eggs- Vol.2 Animal welfare and sustainability, Burleigh Dodds Science Publishing.
Lin, X., R. Zhang, S. Jiang and H.M. El Mashad. 2017. Emissions of ammonia, carbon dioxide and particulate matter from cage-free layer houses in California. Atmospheric Environment, 152(2017): 246-255.
Lin, X., R. Zhang, S. Jiang and H.M. El Mashad. 2018. Losses of solids, moisture, nitrogen, phosphorus, potassium, carbon, and sulfur from laying-hen manure in storage facilities. Water Air and Soil Pollution, 228(3): 102.
Lin, X., R. Zhang, S. Jiang, H. Elmashad and F. Mitloehner. 2016. Nutrient flow and distribution in conventional cage, enriched colony, and aviary layer houses. Poultry Science. 1-12.
Zheng, Y., R. Zhang and Z. Pan 2016. Investigation of adsorption kinetics and isotherm of cellulase and ®-glucosidase on lignocellulosic substrates. Biomass and Bioenergy, 91: 1-9.
Aramrueang, N. J. Rapport, R. Zhang. 2016. Effects of Hydraulic Retention Time and Organic Loading Rate on Performance and Stability of Anaerobic Digestion of Spirulina. Bioresource Technology.
Liu, X., S. Zicari, G. Liu, Y. Li and R. Zhang. 2015. Improving the bioenergy production from wheat straw with alkaline pretreatment. Biosystems Engineering. 140(2015)59-66.
Liu, X., S. Zicari, G. Liu, Y. Li and R. Zhang. Pretreatment of wheat straw with potassium hydroxide for increasing enzymatic and microbial degradability. Bioresource Technology. 185(2015):150-157.
Li, Y., R. Zhang, Y. He, C. Zhang, X. Liu and C. Chen. 2014. Anaerobic co-digestion of chicken manure and corn stover in batch and continuously stirred tank reactor (CSTR). Bioresource Technology (2014):342-347.
Zheng, Y., C. Lee, C. Yu, Y.S. Cheng, R. Zhang, B.M. Jenkins, J.S. VanderGheynst. 2013. Dilute acid pretreatment and fermentation of sugar beet pulp to ethanol. Applied Energy, 105(2013)1-7.
Li, Y., R. Zhang, C. Chen, G. Liu, Y. He and X. Liu. 2013. Biogas production from co-digestion of corn stover and chicken manure under anaerobic wet, hemisolid, and solid state conditions. Bioresource Technology, 2013, 149: 406-412.