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The modeling and simulation of a smoke-free firewood furnace designed for indirect heating adapted to mixing heating configuration. Author(s): SILVA, L. C. da; YUSUF, K. A.; MELO, E. de C.; SOARES, S. F.; SILVA, J. de S. e; DONZELES, S. M. L.; VITOR, D. G. ABSTRACT: The use of wood furnaces for thermal energy applications in drying is common among coffee growers in Brazil. However, incomplete combustion of firewood and excessive use of damaged furnaces... ... Repository: BDPA Publication year: 2024
Acid digestion for cadmium determination in mineral salt mixing for animal nutrition by thermospra y flame furnace Atomic absorption spectrometry. Author(s): GUERRA, M. B. B.; NOGUEIRA, A. R. de A.; SILVA, P. H. T.; PEREIRA FILHO, E. R. Cadmium was determined in a sample of mineral salt mixing to milk cattle that has been preparing to be a reference material. A volume of 3 mL of HNO3 3.0 mol L-1 plus 2.0 of H202 30% (W w-1) was added... ... Repository: BDPA Publication year: 2010
Development of methods for the determination of cadmium and thallium in oil shale by-products with graphite furnace atomic absorption spectrometry using direct analysis. Author(s): OLIVEIRA, H. R.; MESKO, M. F.; VALE, M. G. R.; SILVEIRA, C. A. P.; PICOLOTO, R. S.; BECKER, E. M. Repository: BDPA Publication year: 2014
Selenium determination in tissue samples of Nile tilapia using ultrasound-assisted extraction. Author(s): SILVA, F. A.; PADILHA, C. C. F.; CASTRO, G. R. de; ROLDAN, P. dos S.; NOGUEIRA, A. R. de A.; MORAES, P. M.; PADILHA, P. M. This paper proposes a method to determine selenium in samples of fish muscle and liver tissue using ultrasound assisted extraction process, and analysed by graphite furnace atomic absorption spectrome... ... Repository: BDPA Publication year: 2011
Study of catalytic pyrolysis of biomass sorghum (Sorghum bicolor L. Moench) using design of experiments and surface response methodology. Author(s): COSTA, D. M.; SIMEONE, M. L. F.; PARRELLA, R. A. da C.; FORTES, I. C. P. This study proposes a screen of variables that have an influence on the modification of the bio-oil chemical composition as a unique critical quality attribute (CQA) throughout the pyrolytic process (... ... Repository: BDPA Publication year: 2023
Pyrolysis final temperature effects on biochar stability. Author(s): ALHO, C. F. B. V.; CROSS, A.; SOHI, S. P.; MAIA, C. M. B. de F.; NOVOTNY, E. H.; LELIS, R. C. da C. Pyrolysis technology can be used for producing biochar and bio-oil simultaneously, as an effective and sustainable mean to produce renewable bioenergy and a carbon rich soil amendment that can be used... ... Repository: BDPA Publication year: 2011
Comportamento mineral dos termofosfatos de alumínio com adição de escória em 700 e 1100 °C. Author(s): SOUSA, M. S. C.; CHOQUE FERNANDEZ, O. J.; BRASIL, E. C.; COSTA, M. L. da Thermophosphate consists of the thermal treatment of the rock, with or without addition of other materials, being an excellent source of phosphate fertilizer, presenting other nutrients and beneficial... ... Repository: BDPA Publication year: 2018
Feasibility of Using AAS for the Characterization of a Tuna Fish Candidate Reference Material for Total Hg and Methyl-Hg Measurement. Author(s): CHELEGAO, R.; CARIONI, V. M. O.; NAOZUKA, J.; NOMURA, C. S. This work describes the evaluation of several parameters for preparing a tuna fish candidate reference material (RM) in order to measure its total Hg and methyl-Hg mass fractions by cold vapor atomic... ... Repository: BDPA Publication year: 2016
Classifying hybrids of energy cane for production of bioethanol and cogeneration of biomass-based electricity by principal component analysis-linked fuzzy c-means clustering algorithm. Author(s): MOREIRA, B. R. de A.; VIANA, R. da S.; LISBOA, L. A. M.; LOPES, P. R. M.; FIGUEIREDO, P. A. M. de; RAMOS, S. B.; BONINI, C. S. B.; TRINDADE, V. D. R.; ANDRADE, M. G. de O.; MAY, A. Abstract: The biggest challenge facing in sugar-energy plants is to move towards the biorefinery concept, without threatening the environment and health. Energy cane is the state-of-the-art of smart e... ... Repository: BDPA Publication year: 2019

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