Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Versiane Albis Leão"'
Publikováno v:
Biotechnology Reports, Vol 25, Iss , Pp - (2020)
Manganese (Mn) is toxic at higher concentrations requiring its removal before returning the wastewater to the environment. This article reported the Mn removal of two fungi strains isolated from mine wastewater. ITS rRNA region sequencing identified
Externí odkaz:
https://doaj.org/article/3f76809889a547cfb103856fcb00f3e8
Publikováno v:
Tecnologia em Metalurgia, Materiais e Mineração, Vol 12, Iss 1, Pp 43-49 (2015)
Chalcopyrite leaching by ferric iron is considered a slow process with low copper recovery; a phenomenon ascribed to the passivation of the mineral surface during leaching. Thus, the current study investigated the leaching kinetics of a high purity
Externí odkaz:
https://doaj.org/article/cbec5f9c3e4e4321ae8b0e4bc400b507
Autor:
Damaris Guimarães, Klinger Carlos Silva Lopes, Michael Leonardo Marques Rodrigues, Sueli Moura Bertolino, Versiane Albis Leão
Publikováno v:
Holos, Vol 3, Iss 0, Pp 332-340 (2014)
A proposta do presente trabalho foi estudar uma forma de tratamento alternativo para efluentes líquidos ácidos ricos em metais utilizando para isso um efluente sulfetogênico gerado em um reator anaeróbio (UASB) e cal. Os ensaios foram realizados
Externí odkaz:
https://doaj.org/article/c3271bbd68d74b0b920e40e62590faed
Publikováno v:
REM: International Engineering Journal, Vol 69, Iss 4, Pp 479-485
Abstract In this paper, a detailed study of the influence of Mn2+ ions on quartz and hematite flotation (at pH 10.5 with starch/amine as depressor/collector) in the absence and presence of ethylenediaminetetraacetic acid (EDTA) is presented. By using
Externí odkaz:
https://doaj.org/article/8e0dcfaef1f64916a10e1b51183e7a48
Autor:
Versiane Albis Leão, Geriane Macedo Rocha, Deisiane Ferreira Lelis, Rosa Malena Fernandes Lima
Publikováno v:
Mineral Processing and Extractive Metallurgy Review. 43:339-345
In the Quadrilatero Ferrifero Region, located in the state of Minas Gerais – Brazil, the utilization of recycled water from the tailing dams in the reverse cationic flotation of siliceous iron ores...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c5705139847383cbe9a07647b83d41f
https://doi.org/10.1080/08827508.2020.1864362
https://doi.org/10.1080/08827508.2020.1864362
Recovering gold from mine tailings: a selection of reactors for bio‐oxidation at high pulp densities
Autor:
Romeu M. N. Giardini, Michael Leonardo Marques Rodrigues, Versiane Albis Leão, Igor J. U. V. Pereira
Publikováno v:
Journal of Chemical Technology & Biotechnology. 96:217-226
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2b4c8cfd77346abac82349221b3a599
https://doi.org/10.1002/jctb.6530
https://doi.org/10.1002/jctb.6530
Publikováno v:
Hydrometallurgy. 216:105995
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98532575f83d80514de931add03183a0
https://doi.org/10.1016/j.hydromet.2022.105995
https://doi.org/10.1016/j.hydromet.2022.105995
Autor:
José Márcio Soares Penna, Versiane Albis Leão, Lucas Sanches Magalhães, Vitor de Andrade Alvarenga Oliveira, Cláudio Gouvêa dos Santos
Publikováno v:
Repositório Institucional da UFOP
Universidade Federal de Ouro Preto (UFOP)
instacron:UFOP
Universidade Federal de Ouro Preto (UFOP)
instacron:UFOP
The cementation of copper and cadmium by zinc powder was investigated in order to assess the influence of different parameters in the process. The results showed that the process follows a first order reaction with two stages in both systems. In the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ffb8cf96c605c08a000d70debb2e176
https://doi.org/10.4322/2176-1523.20191661
https://doi.org/10.4322/2176-1523.20191661
Publikováno v:
Water, Air, & Soil Pollution. 231
Manganese (Mn) is an essential heavy metal for living organisms. However, they tend to accumulate the excess of this element causing health problems. The increase of the environmental contamination by this heavy metal is mainly due to mining practice
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c9e6060d20c9a322a049da6b084167a
https://doi.org/10.1007/s11270-020-04896-1
https://doi.org/10.1007/s11270-020-04896-1
Publikováno v:
Environmental science and pollution research international. 27(29)
Combination of the treatment of effluents with high organic loads and the production of electricity is the driving forces stimulating the development of microbial fuel cells (MFC). The increase in electricity production in MFCs requires not only the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43e69c030197132298c6b6acc9b77f25
https://pubmed.ncbi.nlm.nih.gov/32613514
https://pubmed.ncbi.nlm.nih.gov/32613514