setembro 2018 vol. 1 num. 5 - XXII Congresso Brasileiro de Engenharia Química

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CLIMATE CHANGE IMPACTS ON CELLULOSE ETHANOL PRODUCTION IN BRAZILIAN SUGARCANE BIOREFINERY: A CASE STUDY

LONGATI, A. A. ; GIORDANO, R. C; FURLAN, F. F; CRUZ, A. J. G;

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The environmental analysis of the integrated first- and secondgenerationethanol production considering liquid hot water as biomass pretreatmentand anaerobic digestion of hemicellulose hydrolysate produced after the pretreatmentof sugarcane bagasse was carry out using the Life Cycle Assessment (LCA)approach.LCA is a tool for quantifying the potential environmental impacts of products,processes, or services, to support the selection making of desire products and/orprocesses from different alternatives. LCA was applied using the software SimaPro®and CML Baseline 2000 methods. It is a “cradle to grave” analysis with the functionalunit being 1 MJ of ethanol fuel. Background processes were selected from ecoinventdatabase. The total emissions of 41.1 (kg CO2eq/t cane) and 17.3 g CO2eq/MJ wasobtained from the scenario analyzed. This value represented a reduction by over 80%in comparison to gasoline. 

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DOI: 10.5151/cobeq2018-PT.0008

Referências bibliográficas
  • [1] BONOMI, A., CAVALETT, O., CUNHA, M.P., LIMA, M.A.P. (EDS.), Virtual Biorefinery: An Optimization Strategy for Renewable Carbon Valorization, Springer International Publishing, p. 285, 2016. FURLAN, F.F., FILHO, R.T., PINTO, F.H., COSTA, C.B., CRUZ, A.J., GIORDANO, R.L., GIORDANO, R.C., Does Corporate Strategy Matter? Biotechnol. Biofuels, v. 6, p. 142, 2013. GUINÉE, J.B., GORRÉE, M., HEIJUNGS, R., HUPPES, G., KLEIJN, R., KONING, A., OERS, L.V., WEGENER SLEESWIJK, A., SUH, S., UDO DE HAES, H. A.; BRUIJN, H. DE, VAN DUIN, R., HUIJBREGTS, M.A.J., Handbook on life cycle assessment. Operational guide to the ISO standards. I: LCA in perspective. IIa: Guide. IIb: Operational annex. III: Scientific background. Kluwer Academic Publishers, Dordrecht., 2002. MACEDO, I.C., SEABRA, J.E.A., SILVA, J.E.A.R, Green house gases emissions in the production and use of ethanol from sugarcane in Brazil: The 2005/2006 averages and a prediction for 2020. Biomass Bioenergy, v. 32, p. 582-595, 2008. LONGATI, A.A., CAVALETT, O., CRUZ, A.A., Life Cycle Assessment of vinasse biogas production in sugarcane biorefineries, Comput. Aided Chem. Eng., v. 20, p.2017-2022, 2017. OLIVEIRA CM, PAVÃO LV, RAVAGNANI MASS, CRUZ AJG, COSTA CBB, Process integration of a multiperiod sugarcane biorefinery. Appl. Energy. v. 213, p. 520-539, 2018. RIBEIRO FF, PASSOS F, GURGEL LVA, BAÊTA BEL, AQUINO SF, Anaerobic digestion of hemicellulose produced after hydrothermal pretreament of sugarcane bagasse in UASB reactor. Sci. Total Envir. v. 584-585, 1108-1113, 2017. SEABRA J.E.A., MACEDO, I.C., Comparative analysis for power generation and ethanol production from sugarcane residual biomass in Brazil, Energ. Policy, v.39, p. 421-428, 201 SOARES RP, SECCHI AR, EMSO: A new environment for modelling, simulation and optimisation. Comput. Aided Chem. Eng. v. 14, p. 947-952, 2003.
Como citar:

LONGATI, A. A. ; GIORDANO, R. C; FURLAN, F. F; CRUZ, A. J. G; "CLIMATE CHANGE IMPACTS ON CELLULOSE ETHANOL PRODUCTION IN BRAZILIAN SUGARCANE BIOREFINERY: A CASE STUDY", p. 22-25 . In: . São Paulo: Blucher, 2018.
ISSN 2359-1757, DOI 10.5151/cobeq2018-PT.0008

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