5 documents found, page 1 of 1
ECONOMIC VIABILITY OF FOUR CHARCOAL PRODUCTIVE SYSTEMS FROM MINAS GERAIS STATE
Ribeiro,Gabriel Browne de Deus; Carneiro,Angélica de Cássia Oliveira; Lana,Artur Queiroz; Valverde,Sebastião RenatoABSTRACT This work analyzed the economic viability of four charcoal productive systems from Minas Gerais state, namely: fornos-fornalha, rabo-quente, encosta and superfície. The evaluated systems have an estimated productive capacity of about 100 cubic meters of charcoal per month. Implementation and maintenance expenses and productive parameters were obtained in the literature and from local producers of Lamim...
Análise de Risco Econômico de Dois Sistemas Produtivos de Carvão Vegetal
Oliveira,Aylson Costa; Pereira,Bárbara Luísa Corradi; Salles,Thiago Taglialegna; Carneiro,Angélica de Cássia Oliveira; Lana,Artur QueirozRESUMO O objetivo deste trabalho foi analisar a viabilidade econômica da produção de carvão vegetal em sistema fornos-fornalha e fornos do tipo rabo-quente e realizar a simulação de risco de investimento. A análise econômica foi realizada pela determinação de Valor Presente Líquido (VPL), Valor Anual Equivalente (VAE) e Razão Benefício-Custo (B/C). A análise de risco foi realizada pelo método de Monte Carlo. O ...
Quality of Eucalyptus Wood Grown in Rio de Janeiro State for Bioenergy
Dias Júnior,Ananias Francisco; Costa Júnior,Djailson Silva da; Andrade,Azarias Machado de; Oliveira,Elisabeth de; Lana,Artur Queiroz; Brito,José OtávioABSTRACT This study aimed to evaluate the Eucalyptus grandis and Eucalyptus saligna, from production areas of Rio de Janeiro State, intended for energy use. The selection consisted of six trees per specie, at six years old. The wood samples had its basic density determined, then, was subjected to the pyrolysis process with 500 °C of final temperature. Charcoal, pyroligneous liquid and non-condensable gases yiel...
HIGROSCOPICITY OF CHARCOAL PRODUCED IN DIFFERENT TEMPERATURES
Dias Júnior,Ananias Francisco; Pirola,Lucas Pereira; Takeshita,Saly; Lana,Artur Queiroz; Brito,José Otávio; Andrade,Azarias Machado deABSTRACT This research aimed to evaluate hygroscopicity of charcoal produced under four different final carbonization temperatures. For evaluation of hygroscopicity charcoal samples were conditioned in environments with controlled temperature and relative humidity, using saturated salt solutions. The final carbonization temperature significantly influenced the products yields and the properties of charcoal. The...
COMPARISON OF PROCEDURES FOR IMMEDIATE CHEMICAL ANALYSIS OF CHARCOAL
Lana,Artur Queiroz; Salles,Thiago Taglialegna; Carneiro,Angélica de Cássia Oliveira; Cardoso,Marco Túlio; Teixeira,Ramon UbirajaraABSTRACT The climate change, the quest for sustainability and the strong environmental pressures for alternatives to traditional fossil fuels have increased the interest in the search and use of renewable energy sources. Among them stands out the biomass of charcoal coming from renewable forests, widely used as a thermal reductant in the steel industry in the detriment of the use of mineral coal coke. This stud...