Results 41 to 50 of about 351 (91)
Metalogénesis del grupo minero Los Guindos (W ± Zn, Bi, Pb, Ag, Sn, Te), distrito minero Pampa de Olaen, Córdoba, Argentina [PDF]
, 2022 Tesis (DCG)--FCEFN-UNC, 2022Fil: Espeche, María José. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina.El grupo minero Los Guindos, localizado en el distrito minero Pampa de Olaen en la provincia de Córdoba ...
Espeche, María José
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, 2021 In this contribution, the design considerations to assemble a pilot-plant for tungsten recovery and further conversion into synthetic scheelite as raw material, as an eco-friendly improvement for the current electroless nickel process in Field Service ...
Oviedo Villamizar, Jenny Andrea +3 more
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Avaliação do concreto de cimento portland com resíduo da produção de scheelita em substituição ao agregado miúdo [PDF]
, 2013 From the 70`s, with the publication of the Manifesto for Environment UN Conference, held in Stockholm, in Sweden (1972), defend and improve the environment became part of our daily lives. Thus, several studies have emerged in several segments in order to
Paiva, Emanuel Henrique Gomes
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Solo como fonte difusa de contaminação em minas de scheelita no semiárido Tropical [PDF]
, 2016 Anthropogenic activities are the main accelerating agents of erosive processes, resulting in the disintegration of soil particles, transport and deposition through the action of raindrops and surface runoff.
Medeiros, Ana Cláudia Leite de
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Biolixivia??o: uma rota biotecnol?gica para extra??o da scheelita
, 2017 Bacterial leaching, also known as bioleaching, has now been widely applied by the mineralmetallurgical industry to treat various ores as well as to recover metals and tailings.
Freire, Gabriella Cristina de Figueiredo
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Utilização do resíduo grosso do beneficiamento da scheelita em aplicações rodoviárias [PDF]
, 2014 Mining is an activity of great economic and social value, assisting in the development of the country. However, it can be extremely harmful to the environment if no proper waste management study exists as mitigation measure its effects. Sample some of
Gerab, André Tabosa Fernandes de Santa Cruz
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Ingeniare: Revista Chilena de IngenieríaSe sintetizaron soportes de Zn-hidroxiapatitas con contenido variable de Zn (0-15% mol Zn); luego fueron impregnados con Mo, como fase activa, y Fe, como promotor. Posteriormente, los sólidos se dividieron en dos porciones: una parte fue calcinada a 400
Edith Figueredo +2 more
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Estudo dos compósitos de PURM com rejeitos do porcelanato e da Scheelita para aplicações em isolantes térmicos [PDF]
, 2018 The use of a polyurethane foam from a renewable source, as the case of the foam from the castor oil and addition of waste (scheelite and porcelain stoneware) plentiful in the northeast region of Brazil, would represent a reduction of consume in limited ...
Galvão, Álvaro César Pontes
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Influência do tipo de cura no efeito filler do resíduo de scheelita moído em matriz cimentícia
Latin American Journal of Energy ResearchA prerrogativa de alcançar o objetivo de desenvolvimento sustentável número 12 até 2030 estimula pesquisadores promoverem a garantia de padrões de consumo e produção sustentáveis para a Industria da Arquitetura, Engenharia e Construção. Analisando as propriedades dos resíduos de scheelita devido ao grande volume gerado na região de Currais Novos/RN em ...
Carolina de Castro Costa +1 more
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Secuencia paragenética del skarn de scheelita de Los Santos (Salamanca, NO España)
, 2008 The Los Santos skarn shows several chemical and mineralogical features common to many other W-bearing calcic mesozonal reduced skarn deposits. Early exoskarn consists of hedenbergite (Hd82-87), grossular (Grs53- 73) and Mo-rich scheelite. The mineral assemblage which formed during the cooling of the system is very complex and is constituted mainly by ...
Timón, S. M., Moro, M. C.
openaire +1 more source