Abstract
Life cycle assessment (LCA) is a tool that aids in sustainable decision-making among product and process alternatives. When implementing LCA, the efficient and accurate modeling of chemical processes for life cycle inventory (LCI) generation is still challenging. Challenges include a lack of systematic design and simulation tools and approaches to develop chemical process models for obtaining and analyzing more realistic LCI results. In this contribution, a novel process systems framework is proposed for estimating LCI results when implementing pollution control technologies. This framework involves the development and incorporation of pollution control unit (PCU) modules into process simulation and generation of LCI data associated with the PCUs for use in a sustainability evaluation. Different pollution control modules are designed for rapid LCI estimation and applied to obtain emissions, utility consumption, material, and land footprint results related to waste streams of a process simulation. Then, the LCI results are analyzed with the objectives of minimizing the environmental impact and utility consumption. The proposed framework is illustrated via a biomass/coal gasification process for syngas production with the end goal of acetic acid manufacturing. Results associated with this case study show that the developed framework can provide guidelines for sustainable decision-making based on generated LCI results.
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Acknowledgements
The authors gratefully acknowledge the financial support from West Virginia University and U.S. Environmental Protection Agency for the financial support through contract Ref. EP-16-C-000049. The authors are also grateful to Vitor Gazzaneo (WVU PhD Student) for the help with the scrubber simulator’s interface and calculations.
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Li, S., Feliachi, Y., Agbleze, S. et al. A process systems framework for rapid generation of life cycle inventories for pollution control and sustainability evaluation. Clean Techn Environ Policy 20, 1543–1561 (2018). https://doi.org/10.1007/s10098-018-1530-6
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DOI: https://doi.org/10.1007/s10098-018-1530-6