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Optimization of process integration in a Kraft pulp and paper mill: Evaporation train and CHP system
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: 0000-0002-4532-4530
2013 (engelsk)Inngår i: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 107, s. 98-110Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A great interest has been arising about the production of fuels and advanced chemicals from renewable resources such as wooden biomass in the so-called biorefineries. Pulp and paper mills are often seen as the most obvious fundamental module of such industrial sites, because of the common feedstock and the chemical transformations that already occur in the process. In this paper the model of real Kraft pulp and paper mill is developed and optimized from energetic point of view using process integration techniques, in order to assess the potential for energy saving and to establish a starting point for future research on biorefinery sites. Improvements to the configurations of the multi-effect evaporator and of the steam cycle in the CHP system have been introduced, and three different levels of heat integration boundaries have been considered (multi-effect evaporator, mill sub-processes, and total site). Results indicate a significant potential for the decrease in thermal energy requirement and/or the increase in power production for the same pulp and paper production.

sted, utgiver, år, opplag, sider
2013. Vol. 107, s. 98-110
HSV kategori
Forskningsprogram
Energiteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-7449DOI: 10.1016/j.apenergy.2013.02.016ISI: 000318456700009Scopus ID: 2-s2.0-84875112984Lokal ID: 5d41f1f6-360e-491c-bda3-41a45711cca2OAI: oai:DiVA.org:ltu-7449DiVA, id: diva2:980338
Merknad
Validerad; 2013; 20130311 (andbra)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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