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Techno-economic fea...
Techno-economic feasibility of a biomass-to-X plant : Fischer-Tropsch wax synthesis from digestate gasification
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- Marchese, Marco (författare)
- Politecn Torino, Dept Energy, Corso Duca Abruzzi 24, Turin, Italy.
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- Chesta, Simone (författare)
- Politecn Torino, Dept Energy, Corso Duca Abruzzi 24, Turin, Italy.
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- Santarelli, Massimo (författare)
- KTH,Kraft- och värmeteknologi,Politecn Torino, Dept Energy, Corso Duca Abruzzi 24, Turin, Italy.;Royal Inst Technol KTH, Energy Dept, Brinellvagen 68, SE-10044 Stockholm, Sweden.
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- Lanzini, Andrea (författare)
- Politecn Torino, Dept Energy, Corso Duca Abruzzi 24, Turin, Italy.
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Politecn Torino, Dept Energy, Corso Duca Abruzzi 24, Turin, Italy Kraft- och värmeteknologi (creator_code:org_t)
- Elsevier BV, 2021
- 2021
- Engelska.
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Ingår i: Energy. - : Elsevier BV. - 0360-5442 .- 1873-6785. ; 228
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A techno-economic analysis is performed, assessing the production costs of Fischer-Tropsch syncrude and waxes of carbon number C20+. The products are obtained from the gasification of digestate from anaerobic digestion inside a dual fluidized bed gasifier (3.11 MWth). The results are compared against the same system fed with lignocellulosic biomass. The syngas is cleaned from impurities and conditioned to reach the desired H-2/CO molar ratio of 1.8 at the inlet of the Fischer-Tropsch reactor. The Fischer-Tropsch products distribution is based on experimental data of a cobalt-based catalyst. Two process configurations are studied: (1) the Fischer-Tropsch off-gas are employed to produce electricity; (2) the off-gas are recirculated to the gasifier for enhanced wax production. Co-production of steam is also investigated. The results show an advantageous production of Fischer-Tropsch compounds utilizing digestate over wood biomass. The highest plant efficiency (i.e., biomass-to-liquid fuel) of 56.3% is reached with digestate feedstock and off-gas recirculation, outputting 61.5 kg(wax)/t(dig). The minimum wax production cost is of 3.04 (sic)/kg(wax), assuming 7.5% discount rate and 25-years plant operation.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Nyckelord
- Fischer-Tropsch synthesis
- Digestate gasification
- Techno-economic analysis
- Biomass
- Waxes
- Energy integration
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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