John Classen
Associate Professor

- 919-515-6755
- classen@ncsu.edu
- Weaver Administration Bldg 112
- View CV
Education
Ph.D
1995
Agricultural Engineering
Texas A&M University
M.S.
1990
Agricultural Engineering
University of Arkansas
B.S.
1987
Agricultural Engineering
University of Arkansas
Research Description
Animal waste management, nutrient recovery and sustainable food production and distribution.
Honors and Awards
- College of Engineering Outstanding Faculty Mentoring Citation, 2016
- Inducted to Arkansas Academy of Biological and Agricultural Engineers, 2007
Publications
- Spatial and temporal variations of atmospheric chemical condition in the Southeastern US
- Cheng, B., Wang-Li, L., Classen, J., Meskhidze, N., & Bloomfield, P. (2021), ATMOSPHERIC RESEARCH, 248. https://doi.org/10.1016/j.atmosres.2020.105190
- Sustainable Swine Manure Management: A Tale of Two Agreements
- Deviney, A., Classen, J., Bruce, J., & Sharara, M. (2020), Sustainability, 13(1), 15. https://doi.org/10.3390/su13010015
- Effects of Co-occurring Species Present in Swine Lagoons on Adsorption of Copper on Eggshell
- Hess, B. J., Kolar, P., Classen, J. J., Knappe, D., & Cheng, J. J. (2019), INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH, 13(4), 613–622. https://doi.org/10.1007/s41742-019-00203-x
- Physicochemical data of p-cresol, butyric acid, and ammonia
- Kolar, P., Classen, J., & Hall, S. G. (2019, October), DATA IN BRIEF, Vol. 26. https://doi.org/10.1016/j.dib.2019.104356
- The Development of the INFEWS-ER: A Virtual Resource Center for Transdisciplinary Graduate Student Training at the Nexus of Food, Energy, and Water
- Rodriguez, L. F., Marshall, A.-M., Cotton, D., Koelsch, R., Koziel, J., Meyer, D., … Saundry, P. D. (2019), FRONTIERS IN ENVIRONMENTAL SCIENCE, 7. https://doi.org/10.3389/fenvs.2019.00038
- Valorization of Swine Manure into Hydrochars
- Lentz, Z., Kolar, P., & Classen, J. J. (2019), PROCESSES, 7(9). https://doi.org/10.3390/pr7090560
- Evaluation of waste eggshells for adsorption of copper from synthetic and swine wastewater
- Hess, B. J., Kolar, P., Classen, J., Knappe, D., & Cheng, J. J. (2018), Transactions of the ASABE, 61(3), 967–976. https://doi.org/10.13031/trans.12599
- Approaches to agricultural innovation and their effectiveness
- Kick, E. L., Zering, K., & Classen, J. (2017), Aims Agriculture and Food, 2(4), 370–373. https://doi.org/10.3934/agrfood.2017.4.370
- Catalytic valorization of lignin using niobium oxide
- Das, L., Kolar, P., Sharma-Shivappa, R., Classen, J., & Osborne, J. A. (2017), Waste and Biomass Valorization, 8(8), 2673–2680. https://doi.org/10.1007/s12649-016-9717-8
- Modeling the growth of archaeon halobacterium halobium affected by temperature and light
- Lu, H., Yuan, W., Cheng, J., Rose, R., Classen, J., & Simmons, O. D. (2017), Applied Biochemistry and Biotechnology, 181(3), 1080–1095. https://doi.org/10.1007/s12010-016-2270-x
Grants
- Infrastructure Improvements to Lagoons at Back Bay National Wildlife Refuge, VA
- US Dept. of Interior (DOI)(3/28/19 - 12/31/21)
- Fate, Transport and Transformation of Ammonia Emissions from Animal Feeding Operations and Their Impacts on Air-Soil Health
- National Science Foundation (NSF)(8/15/18 - 7/31/21)
- Urea Recovery and Urease Inhibition from Pilot Scale Scraper System
- Precision Fabricating & Cleaning Co.(3/01/17 - 8/15/21)
- Mitigating Environmental Stress for Enhanced Broiler Production Performance and Welfare
- US Dept. of Agriculture (USDA) - National Institute of Food and Agriculture(3/01/17 - 2/28/22)
- Ammonia Recovery from Swine Wastewater with Selective Membrane Technology
- Murphy-Brown, LLC (was Murphy Farms)(9/20/12 - 8/31/16)
- Ammonia Recovery from Swine Wastewater with Selective Membrane Technology
- NC Pork Council(9/20/12 - 8/31/16)
- A Research Initiative to Develop Advanced Bio-Processing of Organic Residuals
- NCSU Research and Innovation Seed Funding Program(7/01/14 - 6/30/15)
- Ammonia Recovery from Swine Wastewater with Selective Membrane Technology
- US Dept. of Agriculture (USDA)(9/20/12 - 8/31/16)
- Modeling Airflow in the Brooks Gasification Process
- US Dept. of Agriculture (USDA)(3/01/12 - 9/30/12)
- Swine Lagoon Sludge Processing with the Brooks Gasification Unit
- US Dept. of Agriculture (USDA)(10/01/11 - 9/30/12)