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Kraft Lignin: A Valuable, Sustainable Resource, Opportunities and Challenges.
North Carolina State University, USA.
Ca’ Foscari University of Venice, Italy.
Ren FuelK2B AB, Sweden.
RISE Research Institutes of Sweden, Bioeconomy and Health, Biorefinery and Energy. Luleå University of Technology, Sweden.ORCID iD: 0000-0003-1806-4187
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2023 (English)In: ChemSusChem, ISSN 1864-5631, E-ISSN 1864-564X, article id e202300492Article in journal (Refereed) Published
Abstract [en]

Kraft lignin, a by-product from the production of pulp, is currently incinerated in the recovery boiler during the chemical recovery cycle, generating valuable bioenergy and recycling inorganic chemicals to the pulping process operation. Removing lignin from the black liquor or its gasification lowers the recovery boiler load enabling increased pulp production. During the past ten years, lignin separation technologies have emerged and the interest of the research community to valorize this underutilized resource has been invigorated. The aim of this review is to give (1) a dedicated overview of the kraft process with a focus on the lignin, (2) an overview of applications that are being developed, and (3) a techno-economic and life cycle asseeements of value chains from black liquor to different products. Overall, it is anticipated that this effort will inspire further work for developing and using kraft lignin as a commodity raw material for new applications undeniably promoting pivotal global sustainability concerns.

Place, publisher, year, edition, pages
2023. article id e202300492
Keywords [en]
kraft lignin, lignin, recovery, pulping, biofuels, biomaterials
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:ri:diva-66159DOI: 10.1002/cssc.202300492PubMedID: 37493340OAI: oai:DiVA.org:ri-66159DiVA, id: diva2:1795115
Note

AcknowledgementsIn an alphabetical order, DA, & CC thank the Marie Skłodowska-Curiefoundation for funding via the B-Ligzymes Grant Agreement no: 824017,CCthanks Next Generation EU –Progetto ECS00000043 -Programma  Ecosistema  dell’innovazione  “Interconnected  Nord-Est  Innovation  Ecosystem  (iNEST)”, CUP  H43C22000540006;  This  study  was  carried  out  within  the  Interconnected  Nord-Est  Innovation Ecosystem  (iNEST)  and  received  funding  from  the  European  Union  Next-GenerationEU  (PIANO NAZIONALE DI RIPRESA E RESILIENZA (PNRR) –MISSIONE 4 COMPONENTE 2, INVESTIMENTO 1.5 –D.D. 1058  23/06/2022,  ECS00000043).  This  manuscript  reflects  only  the  authors’  views  and  opinions, neither the European Union nor the European Commission can be considered responsible for them.CH  thanks  the Swedish  Foundation  for  Strategic  Environmental  Research  (Mistra:  project  Mistra STEPS, project number 2014/44);KJ thanks the Swedish Research Council Formas (grant 2022-01943). CP and JSMS thanks the Swedish Foundation for Strategic Environmental Research (Mistra: project Mistra  SafeChem,  project  number  2018/11); ES thanks  Marie  Skłodowska-Curie  foundation  for funding.

Available from: 2023-09-07 Created: 2023-09-07 Last updated: 2023-09-07Bibliographically approved

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Furusjö, ErikJedvert, Kerstin

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