Scrap Tires
Mostrando 1-10 de 10 artigos, teses e dissertações.
-
1. Characterization of Metallurgical Coke Produced with Coal Mixtures and Waste Tires
The use of scrap tires in the coal blends is an alternative to reduction of coke production costs as well as mitigates the impact caused by tire accumulation in the environment. Tests were carried out on a pilot scale, with coal blends and waste tire in 4 levels and 3 particle sizes, in order to assess the impact on the produced coke quality, especially on t
Mat. Res.. Publicado em: 03/05/2016
-
2. Development and characterization of post-consumer rubber tire powder, high density polyethylene and ethylene-octene-1copolymer ternary mixtures
Scrap tires are considered a type of waste that litters landfills and the environment in general. Due to its chemically cross-linked structure, this material cannot be recycled by conventional processes because it does not melt. This work examined the production of polymeric composites using high density polyethylene (HDPE) filled with rubber tire powder (RT
Polímeros. Publicado em: 2014-12
-
3. Scrap tire ashes in portland cement production
Scrap tires are not considered harmful waste, but their stocking and disposal are a potential health and environmental risk. Properly controlled calcinations at high temperatures make tire combustion an interesting alternative due to its high calorific power, comparable to that of fuel-oil. Consequently, using them as an alternative combustible material in c
Materials Research. Publicado em: 2009
-
4. CaracterizaÃÃo de ligantes asfÃlticos modificados com borracha de pneu e aditivo / Characterization of asphalt binders modified with rubber and tire additives
In Brazil, the annual production of waste tires is in the order of 40 million units, with an estimated tire disposal of at least 25 million units per year. According to statistics of the National Association of Tire Industry, 100 million of useless tires are spread around the country in landfills, vacant land, rivers and lakes, causing enormous environment d
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 06/03/2008
-
5. Effect of operating conditions on scrap tire pyrolysis
The ever growing focus on environmental issues has raised concerns about scrap tires, whose major component - vulcanized rubber - does not degrade easily. When burned, tires release toxic gases containing substantial amounts of sulfur and ammonia in addition to other pollutants. Dumped on empty city lots, tires are also a breeding ground for mosquitoes. Many
Materials Research. Publicado em: 2008-09
-
6. Caracterization and utilization of the waste rubber from scrap tires in composites to use in the civil construction / Caracterização e utilização do resíduo da borracha de pneus inservíveis em compósitos aplicáveis na construção civil
Este trabalho tem como objetivo o desenvolvimento de uma tecnologia para a atenuação do impacto provocado pelo passivo ambiental gerado por pneus inservíveis, conjuntamente ao desenvolvimento de novos materiais compostos para uso na construção.Os pneus têm uma estrutura física especial, com grande resistência e durabilidade, mesmo ao término de sua
Publicado em: 2008
-
7. Incorporation of scrap tire rubber into asphalts for roofing. / Estudo da viabilidade de incorporação de borracha moída de pneus em asfaltos para impermeabilização na construção civil.
Este trabalho apresenta uma comparação de propriedades entre o cimento asfáltico de petróleo (CAP-20) e o mesmo CAP-20 modificado pela utilização de diferentes tipos de borrachas, visando avaliar uma alternativa para minimizar os problemas ambientais causados pela disposição de pneus usados. Foram preparadas misturas contendo 4, 8 e 12% em massa de S
Publicado em: 2006
-
8. Avaliação do uso da banda de rodagem de pneus inservíveis triturada como suporte ao desenvolvimento de biofilmes em um reator anaeróbio de leito expansível / Granulated tread of scrap tires as support for the development of biofilms in an expanded bed anaerobic reactor
The present research had as objective the assessment of granulated tread of scrap tires (GTST) as support for the development of biofilms in an expanded bed anaerobic reactor (EBAR), in full scale, with a total volume of 32m3, employed for wastewater treatment. The use of this material as support was presented as an innovating proposal, with a high applicati
Publicado em: 2005
-
9. Reciclagem energetica de pneus automotivos atraves de reator de leito fluidizado : uma proposta para a questão ambiental
The growth of the big cities, industrialization and goods consumptions, have forced the civilization to live with more intensive environmental degradation process, threatening both the nature and energy resources, besides the bigger production of gas, liquid and solid wastes. That brings a greater worry related to the sustentability of the growing economy wo
Publicado em: 1999
-
10. ANÁLISE DO COMPORTAMENTO DE UM MURO DE CONTENÇÃO UTILIZANDO PNEUS / BEHAVIOUR OF A GRAVITY RETAINING WALL USING SCRAP TIRES / ANÁLISIS DEL COMPORTAMIENTO DE UN MURO DE CONTENCIÓN UTILIZANDO NEUMÁTICOS
Construction of a retaining wall using scrap tires and soil is presented in this thesis. The technique was developed as part of a research program at PUC-Rio in collaboration with University of Ottawa and Geo-Rio. The present work consisted of building and analyzing an experimental retaining wall which was constructed in Jacarepaguá, Rio de Janeiro and made
Publicado em: 1998