Evaluation of Brazilian Sugarcane Bagasse Characterization: An Interlaboratory Comparison Study

Author:

Sluiter Justin B1,Chum Helena1,Gomes Absai C2,Tavares Renata P A2,Azevedo Vinicius2,Pimenta Maria T B3,Rabelo Sarita C3,Marabezi Karen4,Curvelo Antonio A S4,Alves Aparecido R5,Garcia Wokimar T5,Carvalho Walter6,Esteves Paula J6,Mendonça Simone7,Oliveira Patricia A7,Ribeiro José A A7,Mendes Thais D7,Vicentin Marcos P8,Duarte Celina L9,Mori Manoel N9

Affiliation:

1. National Bioenergy Center, National Renewable Energy Laboratory, 1617 Cole Blvd, Golden, CO 80401-3305

2. CENPES/Petrobras, Gerência de Biotecnologia, Centro de Pesquisas e Desenvolvimento Leopoldo A. Miguez de Mello, Av Horácio de Macedo, 950, Cidade Universitária, Ilha do Fundão, 21941-598, Rio de Janeiro, RJ, Brazil

3. CTBE/CNPEM, Brazilian Center for Research in Energy and Materials, Brazilian Bioethanol Science and Technology Laboratory, Rua Giuseppe M’ximo Scolfaro, 10.000, Guar’, 13083-970, Campinas, SP, Brazil

4. CTBE/CNPEM, Brazilian Center for Research in Energy and Materials, Brazilian Bioethanol Science and Technology Laboratory, Rua Giuseppe Máximo Scolfaro, 10.000, Guará, 13083-970, Campinas, SP, Brazil Universidade de São Paulo - IQSC/USP, Instituto de Química de São Carlos, Av Trabalhador São-Carlense, 400, Centro, 13560-970 - São Carlos, SP, Brazil

5. Cane Technology Center - CTC, Fazenda Santo Antônio, s/n Santo Antônio, 13400-970, Piracicaba, SP, Brazil

6. Universidade de S’o Paulo - EEL/USP, Escola de Engenharia de Lorena, Departamento de Biotecnologia, Estrada Municipal do Campinho s/n, Campinho, 12602-810, Lorena, SP, Brazil

7. Embrapa Agroenergy, Parque Estação Biológica - PqEB s/n, Av W3 Norte (final), 70770-901, Brasília, DF, Brazil

8. National Institute of Metrology, Quality and Technology - INMETRO, Division of Chemical Metrology, Laboratory of Organic Analysis, Av N. Sra. das Graças, 50, Xerém, 25250-020, Rio de Janeiro, RJ, Brazil

9. Nuclear and Energy Research Institute - IPEN/CNEN, Av Prof. Lineu Prestes, 2242, 05508000, São Paulo, SP, Brazil

Abstract

Abstract This paper describes a study of the variability of measured composition for a single bulk sugarcane bagasse conducted across eight laboratories using similar analytical methods, with the purpose of determining the expected variation for compositional analysis performed by different laboratories. The results show good agreement of measured composition within a single laboratory, but greater variability when results are compared among laboratories. These interlaboratory variabilities do not seem to be associated with a specific method or technique or any single piece of instrumentation. The summary censored statistics provide mean values and pooled standard deviations as follows: total extractives 6.7% (0.6%), whole ash 1.5% (0.2%), glucan 42.3% (1.2%), xylan 22.3% (0.5%), total lignin 21.3% (0.4%), and total mass closure 99.4% (2.9%).

Publisher

Oxford University Press (OUP)

Subject

Pharmacology,Agronomy and Crop Science,Environmental Chemistry,Food Science,Analytical Chemistry

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