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Economic evaluation on bio-synthetic natural gas production integrated in a thermomechanical pulp mill
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering. (Bioenergy)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering.ORCID iD: 0000-0001-6983-3121
2015 (English)In: Energies, ISSN 1996-1073, E-ISSN 1996-1073, Vol. 8, no 11, 12795-12809 p.Article in journal (Refereed) Published
Abstract [en]

In this study, biorefinery as a concept is applied to thermomechanical pulp (TMP)-based paper production to evaluate the possibility of co-production of synthetic natural gas (SNG), electricity and district heating in addition to mechanical pulp and paper. The combined heat and power plant (CHP) associated to TMP is replaced by a biomass-to-SNG (BtSNG) plant. Implementing BtSNG in a mechanical pulp production line might improve the profitability of a TMP mill and also help to commercialize the BtSNG technology by taking into account of some key issues such as biomass availability, heat utilization, etc. A TMP + BtSNG mathematical model is developed with ASPEN Plus. The model prediction shows that the scale of the TMP + BtSNG mill and SNG price are two strong factors for the implementation of BtSNG in a TMP mill. A BtSNG plant associated to a TMP mill should be built at a scale above 100 MW of biomass thermal input. For the case of Swedish economic condition, commercialization of SNG production as a transport biofuel has not matured yet. Political instruments to support commercialization of transport biofuel are necessary.

Place, publisher, year, edition, pages
2015. Vol. 8, no 11, 12795-12809 p.
Keyword [en]
Biomass; Electricity; Gasification; Synthetic natural gas (SNG); Thermomechanical pulp (TMP)
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:miun:diva-26356DOI: 10.3390/en81112343ISI: 000365686800028Scopus ID: 2-s2.0-84955146328OAI: oai:DiVA.org:miun-26356DiVA: diva2:876581
Available from: 2015-12-04 Created: 2015-12-04 Last updated: 2017-12-01Bibliographically approved

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Zhang, WennanHe, JieEngstrand, PerBjörkqvist, Olof
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