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Mostrando ítems 31-40 de 146
Influ?ncia da qualidade da ?gua na sedimenta??o caulim do Equador/RN
(Instituto Federal de Educa??o, Ci?ncia e Tecnologia do Rio Grande do NorteBrasilNatal - CentralIFRN, 2016)
Interação entre surfatantes na flotação de minérios de ferro
(Universidade Federal de Minas GeraisUFMG, 2008-03-31)
There is considerable room for the development of joint application of frothers and amine on iron ore reverse cationic flotation. The use of the frothers in this application is few explored, because in pH usually applicable ...
Flotabilidade da barita usando oleato de s?dio e ?leo de soja de fritura saponificado
(Instituto Federal de Educa??o, Ci?ncia e Tecnologia do Rio Grande do NorteBrasilNatal - CentralIFRN, 2020)
Biodepression of copper-activated pyrite with acidithiobacillus ferrooxidans in flotation with fresh and seawater
(MDPI, 2021)
Acidithiobacillus ferrooxidans has been shown to be a good depressant of pyrite in freshwater and seawater flotation. However, the effect of these bacteria over copper-activated pyrite has not been studied. At the industrial ...
Uso de óleos vegetais amazônicos na flotação de minérios fosfáticos
(Universidade Federal de Minas GeraisUFMG, 2012-01-30)
The target of this investigation was to evaluate the potential application of anionic collectors extracted from Amazon vegetable species in phosphate ores flotation. The composition in fatty acids of six vegetable oils ...
Recovery valuable metals from processing gangue minerals.
(Facultad de Ingeniería, 2022)
Tratamento de efluentes da carcinicultura por flotação em coluna e flotação.
(Universidade Católica de Pernambuco, 2010-06-01)
The high productivity in the breeding of shrimp makes it necessary to approach some aspects to their sustainability, particularly the aquatic environment of the nursery. Thus, the treatment of effluents originating from ...
Effects of flotation variables on feldspathic sand concentration
(Universidad Nacional de Colombia Sede Medellín, 2014-01-22)
The aim of this research was to determine the influence of certain variables (e.g., collector addition, pulp dilution, conditioning times, pH and pulp agitation speed) on the yield for feldspar sand flotation aimed at ...
Seletividade de reagentes na flotação reversa de minério de ferro
(Universidade Federal de Minas GeraisUFMG, 2017-03-17)
Froth flotation of ores is a physicochemical process used for selective separation of substances with different surface properties. The induction of this distinguishing property is held by action of reagents that adsorb ...
Efeitos sinérgicos da mistura de reagentes no desempenho da flotação catiônica reversa de minério de ferro
(Universidade Federal de Minas GeraisBrasilENG - DEPARTAMENTO DE ENGENHARIA METALÚRGICAPrograma de Pós-Graduação em Engenharia Metalúrgica, Materiais e de MinasUFMG, 2021-05-21)
The mixture of reagents is strategic in the search for more efficient results for ore flotation. When used in the proper process conditions, the interaction of the reagents in the mixture can generate synergistic effects ...