Identifying Green Solvent Mixtures for Bioproduct Separation Using Bayesian Experimental Design
Journal Article
·
· ACS Sustainable Chemistry & Engineering
- University of Wisconsin - Madison, WI (United States)
- University of Wisconsin - Madison, WI (United States); Great Lakes Bioenergy Research Center (GLBRC), Madison, WI (United States)
Liquid–liquid extraction (LLE) is a widely used technique for the separation and purification of liquid-phase products with applications in various industries, including pharmaceuticals, petrochemicals, and renewable chemistry. A critical step in the design of an LLE process is the selection of appropriate solvents. This study presents a new methodology for identifying solvent mixtures for bioproduct separation using Bayesian experimental design (BED). Motivated by the need for environmentally friendly and effective separation methods, we address the challenge of selecting solvent systems that balance separation efficiency, selectivity, and environmental impact while also tackling the difficulty of separating multiple bioproducts using complex solvent systems. Our approach specifically seeks to predict product partition coefficients (log10 Kp values) as thermodynamic parameters underlying solvent selection. The iterative approach integrates Bayesian optimization with experimental measurements to guide solvent selection and leverages COSMO-RS simulations to enhance high-throughput experimentation. Using the design of solvent systems for the separation of lignin-derived aromatic products via centrifugal partition chromatography (CPC) as a case study, we show that within seven iterations/cycles of the methodology, we can identify new mixtures of green solvents that align with CPC design principles. Furthermore, these results demonstrate the efficacy of the BED framework in optimizing green solvent systems for complex separations, highlighting the potential of this method to advance the field of green chemistry and contribute to the development of sustainable industrial processes.
- Research Organization:
- Great Lakes Bioenergy Research Center (GLBRC), Madison, WI (United States)
- Sponsoring Organization:
- National Science Foundation (NSF); USDOE Office of Science (SC), Biological and Environmental Research (BER)
- Grant/Contract Number:
- SC0018409
- OSTI ID:
- 2507032
- Journal Information:
- ACS Sustainable Chemistry & Engineering, Journal Name: ACS Sustainable Chemistry & Engineering Journal Issue: 52 Vol. 12; ISSN 2168-0485
- Publisher:
- American Chemical Society (ACS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Bayesian optimization
COSMO-RS
centrifugal partition chromatography
design of experiments
green solvents
lignin valorization
liquid liquid equilibrium
liquid−liquid extraction
mixtures
selectivity
solvents
theoretical and computational chemistry
Bayesian optimization
COSMO-RS
centrifugal partition chromatography
design of experiments
green solvents
lignin valorization
liquid liquid equilibrium
liquid−liquid extraction
mixtures
selectivity
solvents
theoretical and computational chemistry