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Natural radionuclides in lichens, mosses and ferns in a thermal power plant and in an adjacent coal mine area in southern Brazil
(2017-02-01)
The radio-elements 234U, 235U, 238U, 230Th, 232Th and 210Po were characterized in lichens, mosses and ferns species sampled in an adjacent coal mine area at Figueira City, Paraná State, Brazil, due to their importance for ...
Prevención y control del metano en minería subterránea de carbón como oportunidad de proyectos sostenibles en Colombia.
(Universidad Nacional de ColombiaMedellín - Minas - Maestría en Ingeniería – Materiales y ProcesosDepartamento de Materiales y MineralesFacultad de MinasMedellínUniversidad Nacional de Colombia - Sede Medellín, 2018-10-13)
El metano asociado al carbón ha representado grandes retos a nivel mundial en la última década, especialmente para los países donde se desarrolla la minería subterránea de carbón. Estos desafíos se presentan de varias ...
Biodegradable jute cloth reinforced thermoplastic copolyester composites: Fracture and failure behaviour
(Maney Publishing, 2006-07)
Jute cloth reinforced, fully biodegradable thermoplastic composites were produced by the film stacking technique, with a semicrystalline copolyester (Ecoflex) as the matrix material. The jute cloth content varied between ...
Soils and spoils: mineralogy and geochemistry of mining and processing wastes from lead and zinc mining at the Gratz Mine, Owen County, Kentucky
(Springer Science + Business MediaGermany, 2022)
Avaliação de MP10 na região metropolitana de Belo Horizonte
(Universidade Federal de Minas GeraisUFMG, 2016-01-27)
The urban evolution and the industrial development have caused changes in the environment and increased the emission of pollutants in the atmosphere. The lack of control of the emissions represents health risks. In urban ...
Human health risk assessment of metals and metalloids in mining areas of the Northeast Andean foothills of the Ecuadorian Amazon
(2022)
Gold mining (GM) is a major source of metals and metalloids in rivers, causing severe environmental pollution andincreasing the exposure risks to the residents of surrounding areas. Mining in Ecuadorian Amazonia has ...
Screening Arabidopsis mutants in genes useful for phytoremediation
(Elsevier Science, 2017-08)
Emissions of heavy metals have risen over the past 200 years and significantly exceed those from natural sources. Phytoremediation strategies may be able to recover soil productivity in self-sustaining ecosystems; however, ...
On-line preconcentration and analysis of zinc in water by flow injection-knotted reactor: Application to geological and environmental exploration
(Taylor & Francis, 2008-05)
A preconcentration on-line system composed of flow injection (FI) and a knotted reactor (KR), associated with inductively coupled plasma atomic emission spectrometry (ICP-AES) has been used to determine Zn concentrations ...
Estudo do desempenho de poliamina sobre a desestabilização de suspensões coloidais ricas em ferro e sílica
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação de Mestrado Profissional em Química - PPGQCâmpus São Carlos, 2021-02-24)
The purpose of this Professional Master's project was to study the performance of polyamine on the destabilization of iron ore tailings suspensions, which are considered colloidal suspensions rich in iron and silica to ...