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Energy
Article . 2023 . Peer-reviewed
License: CC BY
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LUTPub
Article . 2023
Data sources: LUTPub
SSRN Electronic Journal
Article . 2022 . Peer-reviewed
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Fast Oxidative Pyrolysis of Eucalyptus Wood Residues to Replace Fossil Oil in Pulp Industry

Authors: Clara Mendoza-Martinez; Ekaterina Sermyagina; Jussi Saari; Vinicius Faria Ramos; Esa Vakkilainen; Marcelo Cardoso; Elém Patrícia Alves Rocha;

Fast Oxidative Pyrolysis of Eucalyptus Wood Residues to Replace Fossil Oil in Pulp Industry

Abstract

This study evaluates the potential of the oxidative fast pyrolysis (OFP) of eucalyptus wood residues (EWR) for producing bio-oil to replace fossil fuels in the lime kilns of the pulp industry. OFP is an alternative to inert-atmosphere fast pyrolysis where separate heat addition stage is not required. OFP was studied by characterizing the fuel using proximate and elemental chemical analyses, thermogravimetric analysis and heating value. Then, OFP experiments in a pilot-scale autothermal fluidized reactor were done with EWR. Pyrolysis products were gases, bio-char and bio-oil (heavy and light). The gases were burnt, and the energy used for heating the fluidization air. Heavy bio-oil energy yield of 30% and 21.4 MJ kg−1 lower heating value indicate good potential for fuel applications. The results were used to model and evaluate industrial-scale cases. Integration with the pulp mill recovery boiler and steam cycle allows easy recovery of the considerable waste heat from the process itself, as well as the combustion of solid and gaseous residues. Economic analysis indicates profitability for OFP of fine EWRs from the mill. A higher net present value, but longer payback period, was obtained for a larger OFP plant using purchased feedstock. Stand-alone production was found unprofitable. Publishers version

Country
Finland
Related Organizations
Keywords

History, Polymers and Plastics, Mechanical Engineering, Integration, Bio-oil, Building and Construction, Pollution, Industrial and Manufacturing Engineering, Eucalyptus wood, General Energy, Biomass, Electrical and Electronic Engineering, Business and International Management, Fast pyrolysis, Pulp mill, Civil and Structural Engineering

63 references, page 1 of 7

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[2] Shukla PR, Skeg J, Buendia EC, Masson-Delmotte V, Po¨rtner HO, Roberts DC, Zhai P, Slade R, Connors S, Van Diemen S, Ferrat M. Climate Change and Land: an IPCC special report on climate change, desertification, land degradation, sustainable land management, food security, and greenhouse gas fluxes in terrestrial ecosystems. 2019.

[3] Vakkilainen E, Kuparinen K, Heinimo¨ J. Large industrial users of energy biomass - study. IEA Bioenergy Task 2013;40:2013.

[4] Ma¨ki E, Saastamoinen H, Melin K, Matschegg D, Pihkola H. Drivers and barriers in retrofitting pulp and paper industry with bioenergy for more efficient production of liquid, solid and gaseous biofuels: a review. Biomass Bioenergy 2021;148:106036. https://doi.org/10.1016/J.BIOMBIOE.2021.106036. [OpenAIRE]

[5] Report IBA. Brazilian tree industry 2020. 2019. https://iba.org/datafiles/publicac oes/relatorios/relatorio-iba-2020.pdf. [Accessed 22 January 2022]. accessed.

[6] Iglesias SP, Miyazaki MR, Mariano AP, Franco TT. Techno-economic assessment of bio-oil produced from Eucalyptus forestry residues. Ind Crop Prod 2021;171: 113936. https://doi.org/10.1016/J.INDCROP.2021.113936.

[7] Rambo MKD, Schmidt FL, Ferreira MMC. Analysis of the lignocellulosic components of biomass residues for biorefinery opportunities. Talanta 2015;144: 696-703. https://doi.org/10.1016/j.talanta.2015.06.045.

[8] Francey S, Tran H, Berglin N. Global survey on lime kiln operation, energy consumption, and alternative fuel usage. Tappi J 2011;10:19-26. https://doi.org/ 10.32964/tj10.8.19. [OpenAIRE]

[9] Hart PW. Alternative “green” lime kiln fuels: Part ii-woody biomass, bio-oils, gasification, and hydrogen. Tappi J 2020;19:271-9. https://doi.org/10.32964/ TJ19.5.271.

[10] Francey S, Tran H, Jones A. Current status of alternative fuel use in lime kilns. Tappi J 2009;8:33-9.

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
5
Top 10%
Average
Average
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