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Techno-Economic Analysis and Life Cycle Assessment for the Separation of 2,3-Butanediol from Fermentation Broth Using Liquid–Liquid Extraction

Journal Article · · Industrial and Engineering Chemistry Research
 [1];  [2];  [3];  [3];  [4];  [4];  [3];  [5];  [5];  [6];  [6];  [6];  [6]
  1. Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
  2. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
  3. National Renewable Energy Laboratory (NREL), Golden, CO (United States)
  4. Argonne National Laboratory (ANL), Argonne, IL (United States)
  5. Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
  6. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
It is energy-intensive to separate dilute 2,3-butanediol (2,3-BDO) (<10 wt %) from the aqueous phase of fermentation broth for sustainable aviation fuel (SAF) using conventional distillation. Liquid–liquid extraction (LLE) using oleyl alcohol as a solvent in a membrane extractor to extract BDO from water can significantly reduce the energy cost and minimize the potential emulsion. In an Aspen Plus model simulation, 95.2% BDO recovery and 97.1% BDO purity have been achieved using this LLE method with solvent recovery and heat integration. Here, the thermal energy cost was estimated to be 4.57 MJ/kg BDO, which is only about 16.8% of the lower heating value (LHV) of the BDO. This method consumes 81% less energy than the cascade distillation and reduces about $0.46/GGE (gasoline gallon equivalent) to the minimal fuel selling price. Meanwhile, the greenhouse gas (GHG) emission is 62% lower than petroleum-based jet fuel production and 34% less than using the cascade distillation.
Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Bioenergy Technologies Office (BETO); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Transportation Office. Bioenergy Technologies Office
Grant/Contract Number:
89233218CNA000001; AC02-06CH11357; AC05-00OR22725; AC05-76RL01830; AC06-76RL01830; AC36-08GO28308
OSTI ID:
2538204
Alternate ID(s):
OSTI ID: 2567075
OSTI ID: 2544980
Report Number(s):
NREL/JA-5100-90735; PNNL-SA-202482
Journal Information:
Industrial and Engineering Chemistry Research, Journal Name: Industrial and Engineering Chemistry Research Journal Issue: 10 Vol. 64; ISSN 0888-5885
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English

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