TCC - Engenharia Florestal (Sede)
URI permanente para esta coleçãohttps://arandu.ufrpe.br/handle/123456789/436
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Item Carbonização e análise imediata do carvão vegetal da madeira de Mimosa caesalpiniaefolia Benth e Cupania racemose (Vell.) Radlk(2018-03-01) Gonçalves, Caio Pedro da Silveira; Nogueira, Marcelo; http://lattes.cnpq.br/2791448000405507This paper had the objective of determining the gravimetric yield of the carbonization of Mimosa caesalpiniaefolia and Cupania racemose for charcoal characterization of the wood of these species and indicate the most viable for use as fuel. For the study, six individuals from Mimosa caesalpiniaefolia Benth and six from Cupania Racemosa (Vell.) Radlk were collected at the Pedra Bonita site in Chã-grande, PE, Brazil. The individuals were sectioned in disks along the shaft and later, chips of dimensions 49 x 20 x 4 mm were made along the trunk. The chips were homogenized, comminuted, quarteted and transported to the Forest Technology Laboratory of the Federal Rural University of Pernambuco. Each carbonization was conducted in a total time of 210 minutes at a maximum temperature of 460 ± 10 ° C in a temperature-controlled muffle type oven, rate of 1.4 °C/min after the first hour. NBR 8112/1986 was used, which prescribes the method for the immediate analysis of charcoal. In addition to the NBR, the immediate analysis was conducted according to an adaptation from CETEC (1982) to ASTM (American Society for Testing and Materials) standards. The basic density found for Mimosa caesalpiniaefolia and Cupania racemose was, respectively, 0.87 and 0.83 g / cm 3. The values of ash, volatile matter content, fixed carbon and gravimetric yield for the Sabiá were 1.74%, 46.89%, 44.49% and 44.34%, respectively; and for the Cabotã was 0.25%, 55.26%, 51.36% and 44.12%, respectively. Therefore, both the charcoal coming from Mimosa caesalpiniaefolia and from Cupania racemos have satisfactory characteristics for energy purposes. However, in comparison among the species studied, Cupania racemosa is the most suitable for use as fuel.Item Potencial energético dos resíduos gerados em madeireiras na Região Metropolitana do Recife - PE(2018) Damacena, Rafael Santos; Nogueira, Marcelo; Silva, Thiago Cardoso; http://lattes.cnpq.br/8962087913561252; http://lattes.cnpq.br/2791448000405507; http://lattes.cnpq.br/0769907892300910The exponential growth of the population brings with it several problems. Among them, a greater demand in the generation of energy of polluting sources and greater amount of residues generated. The objective of this work was to evaluate the energy potential of residues generated in two logging. Samples were collected at two logging sites located in the Metropolitan Region of Recife, in Pernambuco. The first sample obtained consisted of the mixture of dust residues of the species Maçaranduba (Manilkara sp.) And Jatobá (Hymenaea sp.). The second sample was a mixture of residues from two species, Maçaranduba and another unidentified The analyzes were carried out at the Forest Technology Laboratory, Department of Forestry Science, Federal Rural University of Pernambuco. The carbonisations were carried out in a digital muffle with temperature control of the brand MAGNU'S model 0910. The carbonization was performed at a rate of 1.4°C/min. Four carbonizations were performed, two for each sample. For the immediate analysis of the charcoal, the adaptation of the CETEC (1982) to ASTM (American Society for Testing and Materials) standards was used, thus it was possible to determine the contents of volatile material, ashes and by fixed carbon difference, dry basis. Charcoal produced by the mixed waste from two logging had an acceptable ash and ash content. The content of volatile materials is higher than desired and as a consequence has a lower fixed carbon content. The higher calorific value is above the average found in the study of Manilkara sp., Probably because the source material is not only maçaranduba. There was no significant difference between the results obtained by the samples, except for the moisture content.Item Evolução da produção florestal madeireira no Nordeste brasileiro frente ao setor nacional de 2006 a 2016(2018) Rocha, Kleydson Diego da; Braz, Rafael Leite; http://lattes.cnpq.br/7332493832361305; http://lattes.cnpq.br/1327427785910347The approval of a fiscal incentives act for reforestation in 1966, which allowed forestry companies to reduce up to 50% of their taxes to invest in forest projects, made the Brazilian forestry sector to start developing and gaining prominence. With results superior to those presented by industries in general and the agriculture sector in the participation in the Gross Domestic Product (GDP), the forest sector can be considered as a very promising and important sector for the national economy. However, the specific contribution of the Northeast region is very small, even worse, the discussions about the issue and how to boost the sector in this region are scarce. Therefore, the objective of this work was to analyze the evolution of the northeastern forest sector in the period between 2006 and 2016, in comparison with the national forest sector, with the intention of identifying weaknesses and opportunities and proposing alternatives for the development of this sector in the aforementioned region, with emphasis on the state of Pernambuco. For that, secondary data obtained from the online portal of the Brazilian Institute of Geography and Statistics (IBGE) were used. The results showed that in Brazil forest production is strongly influenced by the economy, inspections, bans on the exploitation of native forests and availability of labor, while in the northeast the influences are more associated with economic, legal and bureaucratic issues. Among the forest products studied, wood was the one that presented the highest contributions of Pernambuco to Northeast (11.47%), followed by charcoal (0.65%) and log wood (0.10%) in the last year evaluated. It was concluded that the main forms of incentive to the forest sector in Pernambuco and the Northeast should be related to legal issues in the formalization of the sector, fortification of existing market and incentives both fiscal and industrial development.