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Black liquor fractionation for biofuels production: A techno-economic assessment
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap.ORCID-id: 0000-0002-4909-6643
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap.ORCID-id: 0000-0002-2314-8097
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap.ORCID-id: 0000-0001-8247-8320
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap.ORCID-id: 0000-0002-4532-4530
Vise andre og tillknytning
2014 (engelsk)Inngår i: Bioresource Technology, ISSN 0960-8524, E-ISSN 1873-2976, Vol. 166, s. 508-517Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The hemicelluloses fraction of black liquor is an underutilized resource in many chemical pulp mills. It is possible to extract and separate the lignin and hemicelluloses from the black liquor and use the hemicelluloses for biochemical conversion into biofuels and chemicals. Precipitation of the lignin from the black liquor would consequently decrease the thermal load on the recovery boiler, which is often referred to as a bottleneck for increased pulp production. The objective of this work is to techno-economically evaluate the production of sodium-free lignin as a solid fuel and butanol to be used as fossil gasoline replacement by fractionating black liquor. The hydrolysis and fermentation processes are modeled in Aspen Plus to analyze energy and material balances as well as to evaluate the plant economics. A mathematical model of an existing pulp and paper mill is used to analyze the effects on the energy performance of the mill subprocesses.

sted, utgiver, år, opplag, sider
2014. Vol. 166, s. 508-517
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Forskningsprogram
Energiteknik; Biokemisk processteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-15033DOI: 10.1016/j.biortech.2014.05.062ISI: 000338711100066PubMedID: 24950095Scopus ID: 2-s2.0-84902440727Lokal ID: e7e17be6-d447-4162-bba8-f0556f074a69OAI: oai:DiVA.org:ltu-15033DiVA, id: diva2:988006
Merknad
Validerad; 2014; 20140603 (andbra)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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Mesfun, SennaiLundgren, JoakimGrip, Carl-ErikToffolo, AndreaKudahettige-Nilsson, RasikaRova, Ulrika

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