David R. Shonnard

Textbooks

• Allen, D.T. and Shonnard, D.R. (and other contributors), “Green Engineering: Environmentally Conscious Design of Chemical Processes, Prentice-Hall, Upper Saddle River, NJ, 2002, pp. 552, ISBN 0-13-061908-6.
• Allen, D.T., and Shonnard, D.R., “Sustainable Engineering: Concepts, Design, and Case Studies”, Prentice-Hall, Upper Saddle River, NJ, 2012, pp 223.

Education Articles

• Allen, D.T., Shonnard, D.R., Huang, Y., Schuster, D. 2016, Green Engineering Education in Chemical Engineering Curricula: A Quarter Century of Progress and Prospects for Future Transformations, ACS Sustainable Chemistry and Engineering, 4 (11), pp 5850–585410.1021/acssuschemeng.6b01443.
• Allen, D.T., Shonnard, D.R., (2012), Sustainability in chemical engineering education: Identifying a core body of knowledge, AIChE Journal, 58(8), 2296-2302, August 2012.
• Shonnard, D.R., Allen, D.T., Nguyen, N., and Austin, S., 2003, Green Engineering Education Through a US EPA/Academia Collaboration,Environmental Science and Technology, 37(23), 5253-5462.
• Shonnard, D.R., Fisher, E.R., and Caspary, D., 2003, Integrated Bioprocess Experiments for the Senior Laboratory: Fermentation for L-Lysine Production, Chemical Engineering Education, 37(4),262-267.
• Shonnard, D.R., Allen, D.T., Weil-Austin. S.A., Nguyen, N., 2003, US EPA/academia collaboration for a Green Engineering textbook for Chemical Engineering, Clean Technologies and Environmental Policy, 5(4-3), 226-231.
• Allen, D.T. and Shonnard, D.R., 2001, Green engineering: Environmentally conscious design of chemical processes and products, AIChE Journal,47(9), 1906-1910.
• Shonnard, D.R. and Deshpande, P.A., 2001, Column transport experiments for dissolved pollutants and colloids, Chemical Engineering Education,35(3), 222-228.

Research Articles

1. Kulas, D.G., Chipkar, S., Pillote, M., Wallis, G., Schwartz, D., Wirkkula, R., Flores, H., Shonnard, D.R. (2026), Upcycling Polyethylene Pyrolysis Oil Into Group IV Base, Oil Lubricants, ChemSusChem, accepted July 14, 2026, https://doi.org/10.1002/cssc.70928
2. Merugu, S., Shonnard, D.R. (2026) In-Silico Study on Transient Enzyme Diffusion and Adsorption within Lignocellulosic Biomass using a Multi-scale Model, Frontiers in Catalysis, 6:1761691.doi: 10.3389/fctls.2026.1761691,  https://www.frontiersin.org/articles/10.3389/fctls.2026.1761691
3. Kulas, D., Eggart, B., Taylor, T., Brodowski, A., Chipkar, S., Free, C., Naber, J.D., Shonnard, D.R. (2026) Portable Electrical Production from Pyrolysis Gas of Waste Polyolefin Plastics, Energy Fuels 2026, 40, 2, 1368–1380. https://doi.org/10.1021/acs.energyfuels.5c04756 .
4. Kulas, D.G., Aloba, S., Noecker, A., Putman, L., Meinholz, C., Garland, K., Henry J., Flores, H., Chipkar, S., Zolghadr, A., Techtmann, S., Ong, R., Shonnard. D.R., (2025), Coupling of chemical deconstruction and pyrolysis to upcycle metallized multilayer plastic films, Waste Management, 205, 115003. 
5. Landgren, Waaseyaaban-nooji’iwe, Handler, R.M., Shonnard, D.R., Lidstrom, M.E. (2025) Treating Low-Concentration Methane Emissions via a Methanotrophic-Based Biotrickling Filter: Techno-Economic and Life Cycle Assessment, Methane, 4, 23. https://doi.org/10.3390/methane4040023.   
6. Mohammadi, S., Jin, D., Kulas, D.G., Zolghadr, A., Shonnard, D.R., You, Z. (2025) Role of Pyrolysis Wax on Enhancing the Performance of Waste Plastic Modified Asphalt Prepared with the Wet Modification Process, Transportation Research Record, 2025-07, Vol.2679 (7), p.912-926 DOI: 10.1177/03611981251330898.
7. Utkarsh S. Chaudhari, David W. Watkins, Robert M. Handler, Barbara K. Reck, Anne T. Johnson, Tasmin Hossain, Damon S. Hartley, Vicki S. Thompson, Alejandra Peralta, David R. Shonnard, (2025)  Environmental and socio-economic Pareto-front trade-off analysis of U.S. PET packaging material in a circular economy, Sustainable Production and Consumption, 60, 141-158.
8. Chaudhari, U.S., Patil, A., Hossain, T., Watkins, D.W., Hartley, D.S., Reck, B.K., Handler, R.M., Johnson, A.T., Thompson, V.S., and Shonnard, D.R. (2025). Minimum GHG emissions and Energy Consumption of U.S. PET and Polyolefin Packaging Supply Chains in a Circular Economy, RCS Sustainability, online 06/02/2025, DOI: 10.1039/d5su00284b.
9. Chaudhari, U.S., Watkins, D.W., Handler, R.M., Reck, B.K., Johnson, A.T., Hossain, T., Hartley, D.S., Thompson, V.S., Peralta A, Shonnard, D.R. (2025). Systems Analysis and Optimization of Circular PET Packaging Supply Chains in the United States: Environmental and Socioeconomic Impacts, Journal of Advanced Manufacturing and Processing, online 05/15/2025, https://doi.org/10.1002/amp2.70008.   
10. Shonnard, D.R., Zolghadr, A., Kulas, D.G. (2025) Carbon Footprint and Energy Analysis of a Mixed Metal Oxide Thermochemical Energy Storage Technology, ACS Sustainable Chemistry & Engineering, https://doi.org/10.1021/acssuschemeng.4c09254 .
11. Romani, A., Kulas, D.G., Curro, J, Shonnard, D.R., Pearce, J.M. (2025) Recycled Filtered Contaminants from Liquid-Fed Pyrolysis as Novel Building Composite, Journal of Building Engineering, 102, 112025. 
12. Stoddard H, Kulas D, Zolghadr A, Aloba S, Schaerer LG, Putman L, Valencia I, Lacey JA, Shonnard DR, Techtmann SM and Ong RG (2024), Biofilm mitigation in hybrid chemical biological upcycling of waste polymers. Front. Bioeng. Biotechnol. 12:1435695.doi: 10.3389/fbioe.2024.1435695
13. Chaudhari US, Sedaghatnia K, Reck BK, Maguire K, Johnson AT, Watkins DW, Handler RM, Hossain T, Hartley DS, Thompson VS, Peralta A, Apriesnig JL and Shonnard DR (2024) PET and polyolefin plastics supply chains in Michigan: present and future systems analysis of environmental and socio-economic impacts. Frontiers in Sustainability 5: 2024. DOI: 10.3389/frsus.2024.1405427
14. Chaudhari, U.S., Kulas, D.G., Peralta, A., Umlor, L., Cronan, A., Hossain, T., Handler, R.M., Johnson, A.T., Reck, B.K., Thompson, V.S., Hartley, D.S., Watkins, D.W., and Shonnard, D.R. (2024). Liquid Fed Pyrolysis of Polyethylene Films: Environmental and Economic Assessments of Co-located and Remotely-Located Facilities. ACS Sustainable Resource Management, 1, 493−503, https://doi.org/10.1021/acssusresmgt.3c00113
15. Ankathi, S. K., Chaudhari, U. S., Handler, R. M., & Shonnard, D. R. (2024). Sustainability of Biogas Production from Anaerobic Digestion of Food Waste and Animal Manure. Applied Microbiology, 4(1), 418-438.
16. Chaudhari, U.S., Kulas, D.G., Peralta, A., Handler, R.M., Johnson, A.T., Reck, B.K., Thompson, V.S., Hartley, D.S., Hossain, T., Watkins, D.W., and Shonnard, D.R. (2023). Chapter 20. Environmental and Economic Analyses of Chemical Recycling Via Dissolution of Waste Polyethylene Terephthalate. in: N. Nasr (Ed.), Technology Innovation for the Circular Economy: Recycling, Remanufacturing, Design, System Analysis and Logistics. Wiley, pp.255–268.
17. Hossain, T., Hartley, D.S., Chaudhari, U.S., Shonnard, D.R., Johnson, A.T., Lin, Y., (2023),  Chapter 4. Evaluation of Nationwide Supply Chain Scenarios for a Circular Economy of PET and Olefin Plastics. in: N. Nasr (Ed.), Technology Innovation for the Circular Economy: Recycling, Remanufacturing, Design, System Analysis and Logistics. 
18. Hafting, F.K.; Kulas, D.; Michels, E.; Chipkar, S.; Wisniewski, S.; Shonnard, D.; Pearce, J.M., 2023, Modular Open-Source Design of Pyrolysis Reactor Monitoring and Control Electronics. Electronics, 12, 4893. https://doi.org/10.3390/electronics12244893
19. Putman L.I., Schaerer L.G., Wu R., Kulas D.G., Zolghadr A., Ong R.G., Shonnard D.R., Techtmann S.M., Arbanas L.G., Bannerman G.G., Cart B., Cureton A., Doerr B.P., Jovicevic Z., Langosch M., MacLeod A.B., McCloskey C., McNally A.M., Monkevich M.K., Noecker A., Norris D., Pellizzon V.G., Strom K.B., Taylor E.E. (2023). Metagenomic sequencing of two cultures grown on chemically deconstructed plastic products. Microbial Resource Announcements. doi:10.1128/mra.01304-22.
20. Laura Schaerer, Lindsay Putman, Isaac Bigcraft, Emma Byrne, Daniel Kulas, Ali Zolghadr, Sulihat Aloba, Rebecca Ong, David Shonnard, Stephen Techtmann, 2023, Coexistence of specialist and generalist species within mixed plastic derivative-utilizing microbial communities, Microbiome Journal, 11:224, https://doi.org/10.1186/s40168-023-01645-4
21. Lindsay I. Putman, Laura G. Schaerer, Ruochen Wu, Daniel G. Kulas, Ali Zolghadr, Rebecca G. Ong, David R. Shonnard, Stephen M. Techtmann, Deconstructed plastic substrate preferences of microbial populations from the natural environment, Microbiology Spectrum, July/August 2023 Volume 11 Issue 4, https://doi.org/10.1128/spectrum.00362-23.
22. Chaudhari, U.S., Kulas, D.G., Peralta, A., Hossain, T., A., Johnson, A.T., Hartley, D.S., Handler, R.M., Reck, B.K., Thompson, V.S., Watkins, D.W., and Shonnard, D.R. (2023). Solvent Based Dissolution-Precipitation of Waste Polyethylene Terephthalate: Economic and Environmental Performance Metrics. RSC Sustainability, 2023, 1, 1849-1860, https://doi.org/10.1039/D3SU00231D.
23. Szwaja, M., Naber, J.D., Shonnard, D.R., Kulas, D., Zolghadr, A., Szwaja, S. (2023) Comparative Analysis of Injection of Pyrolysis Oil from Plastics and Gasoline into the Engine Cylinder and Atomization by a Direct High-Pressure Injector. Energies 16, 420.
24. Kulas, D.G., Zolghadr, Ali, Chaudhari, U.S., Shonnard, D.R., 2023, Economic and Environmental Analysis of Plastics Pyrolysis After Secondary Sortation of Mixed Plastic Waste, Journal of Cleaner Production, 384, 135542, https://doi.org/10.1016/j.jclepro.2022.135542
25. Chaudhari, U., Johnson, A., Reck, B., Handler, R., Thompson, V., Hartley, D., Young, W., Peralta, A., Watkins, D. Shonnard, D.R., Material Flow Analysis and LCA of Polyethylene Terephthalate (PET) and Polyolefin Plastics Supply Chains in the United States, ACS Sustainable Chemistry & Engineering, published, September 22, 2022.
26. Shonnard, D.R., Bakshi, B., 2022, Virtual special issue on the circular economy of plastics, ACS Sustainable Chemistry & Engineering, 10, 12475-12476 10.1021/acssuschemeng.2c05118
27. Schaerer, L.G., Wu, R., Putman, L.I., Pearce, J.M., Lu, T., Shonnard, D.R., Ong, R.G., Techtmann, S.M., Killing Two Birds with One Stone: Biochemical Upcycling of Plastics into Food, Trends in Biotechnology, published Sept. 1, 2022, https://doi.org/10.1016/j.tibtech.2022.06.012
28. Zolghadr, Ali, Kulas, Daniel, Shonnard, D.R., Evaluation of pyrolysis wax as a solvent in polyolefin pyrolysis processing, Industrial & Engineering Chemistry Research, published online, July 20, 2022, https://doi.org/10.1021/acs.iecr.2c01493.
29. Kulas, Daniel, Zolghadr, Ali, Shonnard, D.R., Liquid-Fed Waste Plastic Pyrolysis Pilot Plant: Effect of Reactor Volume on Product Yields, Journal of Applied and Analytical Pyrolysis, published online, June 27, 2022, https://doi.org/10.1016/j.jaap.2022.105601 .
30. Byrne, E.R., Schaerer, L.G., Kulas, D.G., Ankathi, S.K., Putman, L.I., Codere, K.R., Schum, S.K., Shonnard, D.R., Techtmann, S.M., Pyrolysis-Aided Microbial Biodegradation of High-Density Polyethylene Plastic in Environmental Inocula Enrichment Cultures, ACS Sustainable Chemistry & Engineering, 2022, 10, 6, 2022-2033, Jan. 31, 2022.
31. Zolghadr, A., Foroozandehfar, A., Kulas, D.G., Shonnard, D.R. (2021) Study of the Viscosity and Thermal Characteristics of Polyolefins/Solvent Mixtures: Applications for Plastic Pyrolysis, ACS Omega, 6 (48), 32832–32840, Nov. 19, 2021.
32. Kulas, D.G., Zolghadr, A., Shonnard, D.R., (2021) Micropyrolysis of Polyethylene and Polypropylene Prior to Bioconversion: The Effect of Reactor Temperature and Vapor Residence Time on Product Distribution, ACS Sustainable Chemistry & Engineering, 9 (43), 14443–14450, Oct. 22, 2021, https://doi.org/10.1021/acssuschemeng.1c04705
33. Ankathi, S.K., Watkins, D., Sreedhara, P., Zuhlke, J., Shonnard, D.R., GIS-integrated optimization for locating food waste and manure anaerobic co-digestion facilities, ACS Sustainable Chemistry & Engineering, 9, 4024-4032.
34. Chaudhari, U., Lin, Y., Thompson, V., Handler, R, Pearce, J., Caneba, G., Muhuri, P., Watkins, D., Shonnard, D., 2021, Systems Analysis Approach to PET and Olefin Plastics Supply Chains in the Circular Economy: A Review of Datasets and Models, ACS Sustainable Chemistry & Engineering, 9, 22, 7403–7421, https://doi.org/10.1021/acssuschemeng.0c08622.
35. Kulas, D., Thies, M., Shonnard, D., Techno-Economic Analysis and Life Cycle Assessment of Waste Lignin Fractionation and Valorization using the ALPHA Process, ACS Sustainable Chemistry & Engineering, 2021 9 (15), 5388-5395, DOI: 10.1021/acssuschemeng.1c00267.
36. Bhavik R. Bakshi, David Shonnard, and David T. Allen, ACS Sustainable Chemistry & Engineering Invites Contributions to a Virtual Special Issue on The Circular Economy of Plastics, ACS Sustainable Chemistry & Engineering 2021 9 (4), 1425-1426, DOI: 10.1021/acssuschemeng.1c00209
37. U. Diwekar, A. Amekudzi-Kennedy, B. Bakshi, R. Baumgartner, R. Boumans, P. Burger, H. Cabezas, M. Egler, J. Farley, B. Fath, T. Gleason, Y. Huang, A. Karunanithi, V. Khanna, A. Mangan, A. L. Mayer, R. Mukherjee, G. Mullally, V. Rico-Ramirez, D. Shonnard, M. Svanström, and T. Theis, 2020, A Perspective on the Role of Uncertainty in Sustainability Science and Engineering, Resources, Conservation and Recycling, 164, 105140. 
38. Shonnard, D.R., Winjobi, O., Kulas, D., Chapter 2. Fast Pyrolysis for Biofuel Production, Saffron, C. (ed.), Achieving carbon-negative bioenergy systems from plant materials, Burleigh Dodds Science Publishing, Cambridge, UK, 2020, p.43-p.70, ISBN: 978 1 78676 252 8
39. Russell, J.M.; Gracida-Alvarez, U. R.; Winjobi, O.; Shonnard, D. (2020) Update to “Effect of Temperature and Vapor Residence Time on the Micropyrolysis Products of Waste High Density Polyethylene”. Ind. Eng. Chem. Res., 59, 10716-10719.
40. Gracida-Alvarez, U. R.; Winjobi, O.; Sacramento-Rivero, J.; Shonnard, D. (2019) Systems Analyses of High-Value Chemicals and Fuels from a Waste High-Density Polyethylene Refinery. Part 1: Conceptual Design and Techno-Economic Assessment. ACS Sustainable Chem. Eng., 7 (22), 18254-18266, DOI: 10.1021/acssuschemeng.9b04763.
41. Gracida-Alvarez, U. R.; Winjobi, O.; Sacramento-Rivero, J. C.; Shonnard, D. R. (2019) Systems Analysis of High-Value Chemicals and Fuels from a Waste High-Density Polyethylene Refinery. Part 2: Carbon Footprint Analysis and Regional Electricity Effects. ACS Sustainable Chem. Eng., 7 (22), 18267-18278, DOI: 10.1021/acssuschemeng.9b04764.
42. Ankathi, S.K., Zhou, W., Webber, J.B.W., Patil, R., Chaudhari, U., Shonnard, D.R. (2019) Synergistic effects between hydrolysis time and microporous structure in poplar, ACS Sustainable Chemistry and Engineering, 7, 12920-12929.
43. Shonnard, D.R., Tipaldo, E., Thompson, V., Pearce, J., Caneba, G., Handler, R.M., 2019, Systems analysis for PET and olefin polymers in a circular economy, Procedia CIRP, 80, 602-606, 26th CIRP Life Cycle Engineering (LCE) Conference. 
44. Rui Shi, David W. Archer, Krishna Pokharel, Matthew Pearlson, Kristin C. Lewis, Suchada Ukaew, and David R. Shonnard (2019) A Life Cycle Analysis of Hydrotreated Renewable Jet Fuel (HRJ) from Oilseed Feedstocks Replacing Fallow in the U.S Northern Great Plains, ACS Sustainable Chemistry and Engineering, 7 (23), 18753-18764, DOI: 10.1021/acssuschemeng.9b02150.
45. Ko, S., Lautala, P., Fan, J., Shonnard, D.R., (2019), Economic, Social and Environmental Cost Optimization of Biomass Transportation: A Regional Model for Transportation Analysis in Plant Location Process, BioFPR, 13:582-598, DOI: 10.1002/bbb.1967.
46. Shi, R., Shonnard, D.R., Handler, R.M., (2019), Life cycle assessment of novel technologies for algae harvesting and oil extraction in the renewable diesel pathway, Algal Research, 37, 248-259.
47. Handler, R.M., Shonnard, D.R., (2018) Environmental life cycle assessment of methane biocatalysis: Key considerations and potential impacts, chapter in Methane Biocatalysis: Paving the Way to Sustainability, Ed. Marina Kalyuzhnaya and Xin-Hui Xing, Springer Nature, June, 2018, DOI: 10.1007/978-3-319-74866-5_16.  
48. Funkenbusch, L., Mullins, M.E., Vamling, L., Belkhieri, T., Srettiwat, N., Winjobi, O., Shonnard, D.R., and Rogers, T. (2019), "Technoeconomic Assessment of Hydrothermal Liquefaction Oil from Lignin with Catalytic Upgrading for Renewable Fuel and Chemical Production." Wiley Interdisciplinary Reviews: Energy and Environment: (Published Online, July 2018) DOI: 10.1002/wene.319.
49. Winjobi, O., Tavakoli, H., Klemetsrud, B., Handler, R.M., Marker, T., Roberts, M., Shonnard, D.R., (2018), Carbon Footprint Analysis of Gasoline and Diesel from Forest Residues and Algae using Integrated Hydropyrolysis and Hydroconversion Plus Fisher Tropsch (IH2® Plus Cool GTL™), ACS Sustainable Chemistry and Engineering, 6(8), 10766-10777, DOI: 10.1021/acssuschemeng.8b02091.
50. Ankathi, S.K., Long, D.S., Gollany, H.T., Das, P., Shonnard, D.R., (2019) Life cycle assessment of oilseed crops produced in rotation with dryland cereals in the inland Pacific Northwest, The International Journal of Life Cycle Assessment, 24, 627-641, https://doi.org/10.1007/s11367-018-1488-y . 
51. Hungwe, Kedmon N., and David Shonnard. 2018. "Supporting Curriculum Reform in Science Education." The International Journal of Science, Mathematics and Technology Learning 25 (1): 23-35. doi:10.18848/2327-7971/CGP/v25i01/23-35
52. Kulas, D. Winjobi, O., Zhou, W., Shonnard, D.R. (2018), Effects of Co-product Uses on Environmental and Economic Sustainability of Hydrocarbon Biofuel from One- and Two-Step Pyrolysis of Poplar, ACS Sustainable Chemistry & Engineering, 6 (5), pp 5969–5980, DOI: 10.1021/acssuschemeng.7b04390
53. Gracida-Alvarez, U.R., Mitchell, M.K., Sacramento-Rivero, J.C., Shonnard, D.R. (2018) Effect of Temperature and Vapor Residence Time on the Micropyrolysis Products of Waste High Density Polyethylene, Industrial & Engineering Chemistry Research, 57 (6), pp 1912–1923, DOI: 10.1021/acs.iecr.7b04362.
54. Ukaew, S; Klemetsrud, B.; Schoenborn, J; Shonnard, D; (2018) Effects of torrefaction temperature and acid pretreatment on the yield and quality of fast pyrolysis bio-oil from rice straw, Journal of Applied and Analytical Pyrolysis, 129, January 2018, 112-122, https://doi.org/10.1016/j.jaap.2017.11.021.
55. Klemetsrud B., Klinger J., Bar Ziv B., Shonnard D., (2017) A kinetic study of the fast micro-pyrolysis of hybrid poplar, Journal of Analytical and Applied Pyrolysis, 128 (C), November 2017, 353-362,  https://doi.org/10.1016/j.jaap.2017.09.014
56. Ankathi, S.K., Potter, J., Shonnard, D.R., (2018) Carbon Footprint and Energy Analysis of Bio-CH4 from a Mixture of Food Waste and Dairy Manure in Denver, CO, Environmental Progress / Sustainable Energy, 37(3), 1101-1111, DOI 10.1002/ep.12762.
57. Handler, R., Shi, R., Shonnard, D.R., 2017, Land-use Change Implications for Large-scale Cultivation of Algae Feedstocks in the United States Gulf Coast, Journal of Cleaner Production, 153, 15-25.
58. Shi, R., Ukaew, S., Archer, D.W., Pearlson, M., Lewis, K.C., Shonnard, D.R., 2017, Life Cycle Water Footprint Analysis for Rapeseed Derived Jet Fuel in North Dakota, ACS Sustainable Chemistry and Engineering, 5, 3845-3854.
59. Klemetsrud, B., Eatherton, D., Shonnard, D.R., 2017, Effects of lignin content and temperature on the properties of hybrid poplar bio-oil, char, and gas obtained by fast pyrolysis, Energy & Fuels, 31, 2879-2886.
60. Winjobi, O., Zhou, W., Kulas, D., Nowicki, J., Shonnard, D.R., (2017) Production of hydrocarbon fuel using two-step torrefaction and fast pyrolysis of pine. Part 2: Life-cycle carbon footprint, ACS Sustainable Chemistry and Engineering, 5 (6), pp 4541–4551   DOI: 10.1021/acssuschemeng.7b00373.
61. Winjobi, O., Shonnard, D.R., Zhou, W., (2017) Production of hydrocarbon fuel using two-step torrefaction and fast pyrolysis of pine. Part 1: Techno-economic analysis, ACS Sustainable Chemistry and Engineering, 5 (6), pp 4529–4540 DOI: 10.1021/acssuschemeng.7b00372.

Dr. Shonnard teaches courses in chemical reaction engineering, life cycle analysis, and waste plastics conversion.