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

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BIOGAS FROM ANAEROBIC DIGESTION OF HEMICELLULOSE HYDROLYSATE: AN ECONOMIC PERSPECTIV

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

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The impact of anaerobic digestion of hemicellulose hydrolysateproduced after hydrothermal pretreatment of sugarcane bagasse was investigatedusing energy and economic metrics. For this, an anaerobic digestion unit wasmodelled and coupled to an existing integrated first- and second-generation ethanolbiorefinery. The investment required was estimated and economic analysis wasperformed. Results showed that it was possible to produce 13.6 Nm3biogas per tonneof sugarcane. Ethanol and electricity production were increased in 1.5 L and 5.7 MWhper tonne of sugarcane, respectively. The economic analysis exhibits a positive NetPresent Value (14.3·106 USD), and Internal Rate of Return (25.1%) higher than theminimum acceptable rate of return (11%). Thus, biogas production from anaerobicdigestion of hemicellulose hydrolysate can be considered an economically promisingtechnology to improve the productivity of sugarcane biorefineries. 

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DOI: 10.5151/cobeq2018-PT.0344

Referências bibliográficas
  • [1] CHERUBINI F, The biorefinery concept: Using biomass instead of oil for producing energy and chemicals. Energy Convers. Manag. v. 51, p. 1412–1421, 2010. FURLAN FF, Metodologia para guiar o desenvolvimento e implementação industrial de novas tecnologias unindo engenharia econômica e Engenharia de (bio)processos e sistemas : aplicação à produção de etanol de segunda geração. (in Portuguese). Ph.D Thesis, Universidade Federal de São Carlos, São Carlos, SP, Brazil, 2016. 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. PETERS MS, TIMMERHAUS KD, Plant design and economics for chemical engineers. McGraw-Hill, 199 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. SOARES RP, SECCHI AR, EMSO: A new environment for modelling, simulation and optimisation. Comput. Aided Chem. Eng. v. 14, p. 947-952, 2003. XIMENES S, FARINAS CS, KIM Y, LADISH, M.R., Hydrothermal Pretreatment of Lignocellulosic Biomass for Bioethanol Production, in: Ruiz, H., Hedegaard Thomsen ,M., Trajano, H. (Eds), Hydrothermal Processing in Biorefineries, Springer, Cham, p.181-205, 2017.
Como citar:

LONGATI, A. A; GIORDANO, R. C; FURLAN, F. F; CRUZ, A. J. G; "BIOGAS FROM ANAEROBIC DIGESTION OF HEMICELLULOSE HYDROLYSATE: AN ECONOMIC PERSPECTIV", p. 1293-1296 . In: . São Paulo: Blucher, 2018.
ISSN 2359-1757, DOI 10.5151/cobeq2018-PT.0344

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