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Carbon Utilization Infrastructure, Markets, and Research and Development A Final Report (2024) / Chapter Skim
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Appendix J: Background Information About Life Cycle, Techno-Economic, and Societal/Equity Assessments
Pages 478-481

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From page 478...
... Figure J-1 shows an example decision tree recommending the type of uncertainty analysis based on purpose. Tables J-1 and J-2 show compiled LCA results for CO2 emissions released to produce dimethyl ether (DME)
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From page 479...
... Always complemented with a qualitative assessment of uncertainty, for example Pedigree Analysis FIGURE J-1 Guideline for selection of initial uncertainty analysis. NOTE: GSA = global sensitivity analysis; MCS = Monte Carlo simulation; OAT = one-at-a-time sensitivity analysis; PDF = probability distribution function; ROM = reduced order model.
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From page 480...
... , then Cradle-to-gate 0.12–0.15 ​kg​CO ​ MJ​−1DME​b transformed into DME (γ-Al2O3 catalyst) 2 eq −1.07–0.48 ​kg​ ​ kg​−1 CO2    b​ DME eq DME from high solid anaerobic digestion Cradle-to-grave, including feedstock −5 ​g​CO ​ MJ​−1DME​ 2 eq of food and yard waste production and transport, fuel production, distribution and reforming, and vehicle fueling and combustion CO2 converted to methanol, then Cradle-to-gate 0.5 ​t​CO ​ MJ​−1DME​ 2 eq transformed to DME via a condensation reaction CO2 enhanced gasification of gumwood to Cradle-to-gate including the pre-treatment bio-DME emissions 46.2 ​kg​CO ​ per 2 eq produce DME process; production of DME; and utilization of 100 km, and 162 ​kg​CO ​ per DME as renewable fuel for diesel engines.
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From page 481...
... 2021. "Analytical Review of Life-Cycle Environmental Impacts of Carbon Capture and Utilization Technologies." ChemSusChem 14(4)
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Key Terms

  • uncertainty analysis
  • including feedstock
  • compiled life
  • dimethyl carbonate
  • emissions using

  • sensitivity analysis
  • assessment results
  • lca results
  • cycle assessment
  • dimethyl ether

  • carlo simulation
  • anaerobic digestion
  • produce dimethyl
  • dmc conventional
  • variation observed

  • example pedigree
  • enhanced gasification
  • initial uncertainty
  • wide variation
  • decision tree

  • techniques available
  • order model
  • carbonate production
  • analysis based
  • utilization technologies

  • electricity sources
  • global sensitivity
  • yard waste
  • produce dme
  • conventional production


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