Early-stage evaluation of emerging CO(2)utilization technologies at low technology readiness levels

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Most CO(2)utilization technologies are at low technology readiness levels (TRLs). Given the large number of potential technologies, screening to identify the most promising ones should be conducted before allocating large R&D investment. As these technologies exhibit different levels of technical maturity, a systematic, TRL-dependent evaluation procedure is needed which can also account for the quality and availability of data. We propose such a systematic and comprehensive evaluation procedure. The procedure consists of three steps: primary data preparation, secondary data calculation, and performance indicator calculation. The procedure depends on the type of CO(2)utilization technology (thermochemical, electrochemical, or biological conversion) as well as the TRL (2-4). We suggest databases, methods, and computer-aided tools that support the procedure. Through four case studies, we demonstrate the proposed procedure on emerging CO(2)utilization technologies, which are of different types and at various TRLs: electrochemical CO(2)reduction for production of ten chemicals (TRL 2); co-electrolysis of CO(2)and water for ethylene production (TRL 2-4); direct oxidation of CO2-based methanol for oxymethylene dimethyl ether (OME1) production (TRL 4); and microalgal biomass co-firing for power generation (TRL 4).
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2020-06
Language
English
Article Type
Article
Citation

GREEN CHEMISTRY, v.22, no.12, pp.3842 - 3859

ISSN
1463-9262
DOI
10.1039/c9gc04440j
URI
http://hdl.handle.net/10203/282014
Appears in Collection
CBE-Journal Papers(저널논문)
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