@article{sharara_sahoo_reddy_kim_zhang_dale_jones_izaurralde_runge_2020, title={Sustainable feedstock for bioethanol production: Impact of spatial resolution on the design of a sustainable biomass supply-chain}, volume={302}, ISSN={["1873-2976"]}, DOI={10.1016/j.biortech.2020.122896}, abstractNote={This study assesses the role of spatial-resolution and spatial-variations in environmental impacts estimation and decision-making for corn-stover harvesting to produce biofuels. Geospatial corn-stover yields and environmental impacts [global warming potential (GWP), eutrophication, and soil-loss] dataset for two study areas in Wisconsin and Michigan were generated through Environmental Policy Integrated Climate (EPIC) model and aggregated at different spatial-resolutions (i.e., 100; 1000; 10,000 ha). For each spatial-resolution, decision-making was accomplished using an optimization routine to minimize different environmental impacts associated with harvesting stover to meet varied biomass demands. The results of the study showed that selective harvesting at higher-resolution (or lower-aggregation level) can result in significantly lower environmental impacts, especially at low stover demand levels. Additionally, the increased spatial resolution had more impact in minimizing the environmental impacts of corn stover harvest under a more variable landscape such as terrains and its influences are more pronounced for soil-loss and eutrophication potential compared to GWP.}, journal={BIORESOURCE TECHNOLOGY}, author={Sharara, Mahmoud A. and Sahoo, Kamalakanta and Reddy, Ashwan Daram and Kim, Seungdo and Zhang, Xuesong and Dale, Bruce and Jones, Curtis Dinneen and Izaurralde, Roberto Cesar and Runge, Troy M.}, year={2020}, month={Apr} } @book{griffing_overcash_kim_2004, title={Environmental analysis of swine waste management technologies using the life-cycle method}, number={350}, journal={Report (Water Resources Research Institute of the University of North Carolina)}, publisher={Raleigh, NC: Water Resources Research Institute of the University of North Carolina}, author={Griffing, E. M. and Overcash, M. R. and Kim, S.}, year={2004} } @article{kim_overcash_2003, title={Energy in chemical manufacturing processes: gate-to-gate information for life cycle assessment}, volume={78}, ISSN={["0268-2575"]}, DOI={10.1002/jctb.821}, abstractNote={AbstractGate‐to‐gate process energy for 86 chemical manufacturing processes is presented. The estimation of the process energy follows design‐based methodology. Results show that the gate‐to‐gate process energy for half of organic chemicals ranges from 0 to 4 MJ per kg, and for half of inorganic chemicals ranges from −1 to 3 MJ per kg. The main energy source in both organic and inorganic processes is steam energy followed by potential recovered energy. In organic chemicals, the fractions of heating oil and electricity use are relatively low, but these fractions are higher in the inorganic chemicals than in the organic chemicals. Furthermore, about 50% of the energy consumed in chemical processes is used for purifying the product, byproduct or recycled stream, which indicates that there are large opportunities for improving the process energy in chemical processes. The information presented in this study is very important for those in the life cycle assessment community in order for them to identify inaccurate information or information not based on actual process design. However, the range for the entire range of chemicals is very substantial and thus reflects the need of the life cycle inventory to separately evaluate the chemistry and degree of purity for chemical products. Copyright © 2003 Society of Chemical Industry}, number={9}, journal={JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY}, author={Kim, S and Overcash, M}, year={2003}, month={Sep}, pages={995–1005} } @article{jimenez-gonzalez_kim_overcash_2000, title={Methodology of developing gate-to-gate life cycle analysis information}, volume={5}, DOI={10.1007/bf02978615}, number={3}, journal={International Journal of Life Cycle Assessment}, author={Jimenez-Gonzalez, C. and Kim, S. and Overcash, M.}, year={2000}, pages={153–159} }