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Lignin separation from pulp mills and potential use in different applications
RISE, Innventia.
RISE, Innventia.
2015 (English)Conference paper (Other academic)
Abstract [en]

Pulp mill biorefining is still a relatively young area in modern pulping R&D driven by megatrends such as big variations in cost for fossil oil and increased cost for wood, but also increased competition on the pulp market. The need for new revenues is obvious if the pulp and paper industry is to maintain its strong position. Biorefining can simplified be defined as the efforts to reach as complete utilization of wood raw material as possible in a pulp mill to reach as high revenues as possible. A pulp mill producing chemical pulp is for several reasons an excellent an industrial platform for biorefining. The chemical pulp mill is able to produce relatively pure cellulose, hemicelluloseand lignin.Lignin removal from kraft black liquors has been developed to a commercial process (the LignoBoost process) in cooperation between Innventia and Chalmers University of Technology. The technology was sold to Valmet 2008 and there are now two full-scale installations in operation. One installation in USA by Domtar (25000 t/y) and one in Finland by Stora Enso (50000 t/y). Lignin separation, purification, modification and applications have since many years back in time a high priority in R&D work at Innventia. The focus for this poster is on separation of lignin from kraft pulp black liquors and the potential to use this ligninin different applications. Promising results have been obtained with for example industrial dispersing applications, activated carbon and carbon fibres.

Place, publisher, year, edition, pages
2015.
Keyword [en]
lignin, separation, pulp mill, biorefining, black liquor, carbon fibre, activated carbon, LignoBoost
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:ri:diva-29132OAI: oai:DiVA.org:ri-29132DiVA: diva2:1083137
Conference
3rd International symposium on green chemistry, May 3-7, 2015, La Rochelle, France
Available from: 2017-03-20 Created: 2017-03-20 Last updated: 2017-03-20Bibliographically approved

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