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Transportation fuel production from gasified biomass integrated with a pulp and paper mill - Part B: Analysis of economic performance and greenhouse gas emissions
Chalmers University of Technology, Sweden.
RISE, Innventia.
CIT Industriell Energi, Sweden.
Chalmers University of Technology, Sweden.
2016 (English)In: Energy, ISSN 0360-5442, E-ISSN 1873-6785, Vol. 103, p. 522-532Article in journal (Refereed) Published
Abstract [en]

This paper presents a comparison between four gasification-based biorefineries integrated with a pulp and paper mill. It is a continuation of ‘Transportation fuel production from gasified biomass integrated with a pulp and paper mill - Part A: Heat integration and system performance’. Synthesis into methanol, Fischer-Tropsch crude or synthetic natural gas, or electricity generation in a gas turbine combined cycle, were evaluated. The concepts were assessed in terms of GHG (greenhouse gas) emissions and economic performance. Net annual profits were positive for all biofuel cases for an annuity factor of 0.1 in the year 2030; however, the results are sensitive to biofuel selling prices and CO2,eq charge. Additionally, GHG emissions from grid electricity are highly influential on the results since all biofuel processes require external power. Credits for stored CO2 might be necessary for processes to be competitive, i.e. storage of separated CO2 from the syngas conditioning has an important role to play. Without CO2 storage, the gas turbine case is better than, or equal to, biofuels regarding GHG emissions. Efficiency measures at the host mill prior to heat integration of a gasification process are beneficial from the perspective of GHG emissions, while having a negative impact on the economy.

Place, publisher, year, edition, pages
Elsevier Ltd , 2016. Vol. 103, p. 522-532
Keywords [en]
Biomass gasification, CO2 emissions, Energy efficiency, Heat integration, Pulp and paper mill, Biofuels, Biomass, Carbon dioxide, Fischer-Tropsch synthesis, Gas emissions, Gas fuel analysis, Gas turbines, Gasification, Integration, Investments, Paper and pulp mills, Papermaking machinery, Pulp, Pulp manufacture, Electricity generation, Gas turbine combined cycle, Synthetic natural gas, Transportation fuels, Greenhouse gases, biofuel, economic analysis, efficiency measurement, electricity, fuel, methanol, performance assessment, pulp and paper industry, transportation system
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-41489DOI: 10.1016/j.energy.2016.02.092Scopus ID: 2-s2.0-85019510395OAI: oai:DiVA.org:ri-41489DiVA, id: diva2:1377519
Note

Funding text 1: Financial support from Chalmers Energy Initiative is gratefully acknowledged.

Available from: 2019-12-12 Created: 2019-12-12 Last updated: 2019-12-12Bibliographically approved

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