2022
DOI: 10.26434/chemrxiv-2022-rjqbn
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Quantitative Sustainable Design (QSD) for the Prioritization of Research, Development, and Deployment of Technologies: A Tutorial and Review

Abstract: The pursuit of sustainability has catalyzed broad investment in the research, development, and deployment (RD&D) of innovative water, sanitation, and resource recovery technologies, yet the lack of transparent and agile methodologies to navigate the expansive landscape of technology development pathways remains a critical challenge. This challenge is further complicated by the higher levels of uncertainty that are intrinsic to early-stage technologies. In this work, we review and synthesize published liter… Show more

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Cited by 5 publications
(7 citation statements)
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“…Tools like life-cycle assessment (LCA) and quantitative sustainable design (QSD) can concretize ROE and ROS as refining service indicators. 49,50 This relatively mature example of nitrogen and phosphorus fertilizers from municipal wastewater demonstrates the value of use-informed research. Adding the top-down approach beginning with the refining values informs which research questions to pursue and how more fundamental findings are translated to practice.…”
Section: Closing the Gap Between Opportunity And Practice For Wastewa...mentioning
confidence: 97%
See 1 more Smart Citation
“…Tools like life-cycle assessment (LCA) and quantitative sustainable design (QSD) can concretize ROE and ROS as refining service indicators. 49,50 This relatively mature example of nitrogen and phosphorus fertilizers from municipal wastewater demonstrates the value of use-informed research. Adding the top-down approach beginning with the refining values informs which research questions to pursue and how more fundamental findings are translated to practice.…”
Section: Closing the Gap Between Opportunity And Practice For Wastewa...mentioning
confidence: 97%
“…51 The QSD framework supports the informed deployment of sustainability research using a shared lexicon across disciplines that delineates broad qualitative goals (e.g., SDG 6 Clean Water and Sanitation), quantitative indicators that assess progress towards goals (e.g., percentage of population with regular access to improved sanitation), and target values of indicators with endpoints and time tables (e.g., halve the number of people without access to improved sanitation by 2030). 49 Refining services will be provided by specific technologies; refining context parameters highlight the system performance metrics that govern deployment feasibility in specific scenarios. Use-informed research must pursue practical knowledge gaps in these refining context parameters for a specific wastewater-pollutant-product triad to cross the "valley of death" in both directions between fundamental and applied electrochemistry research.…”
Section: Closing the Gap Between Opportunity And Practice For Wastewa...mentioning
confidence: 99%
“…22 QSDsan enables an integrated workflow of design, simulation, techno-economic analysis (TEA), and life cycle assessment (LCA) under uncertainty. 23 The baseline NEWgenerator TM was designed to treat bodily waste from 100 users over a 25-year system lifetime. Since the NEWgenerator is a backend system only, the frontend, pretreatment, foundation, and sludge pasteurization units were also included to evaluate the complete NSS system's costs and environmental impacts.…”
Section: Newgenerator Overview and Process Modelmentioning
confidence: 99%
“…With the increasing pace of technology development [1][2][3] and growing complexity of sustainability challenges, [4][5][6][7] there is a need for robust and agile tools to quickly identify critical barriers, prioritize research opportunities, and navigate multi-dimensional sustainability tradeoffs in the research, development, and deployment (RD&D) of technologies. [8][9][10] This need is particularly pressing for the field of sanitation as it concerns one of the most basic human rights. Ensuring the right to sanitation also directly addresses the sixth sustainable development goal (SDG) proposed by the United Nations (universal sanitation by 2030), and is connected to many other SDGs (e.g., resource circularity, carbon neutrality).…”
Section: Introductionmentioning
confidence: 99%
“…Herein, we present QSDsan – an open-source tool that leverages the quantitative sustainable design (QSD) methodology for integrated design, simulation, and sustainability evaluation of sanitation and resource recovery systems. 10 Built under the object-oriented programming (OOP) paradigm using Python (3.8+), QSDsan aims to address the lack of supporting tools for the RD&D of early-stage sanitation technologies. QSDsan is a community-led platform that provides flexible, transparent, and freely accessible modules for modeling and evaluation.…”
Section: Introductionmentioning
confidence: 99%