Výsledky vyhledávání - "Juliana Lívi Antoniassi"

Akademický článek

MICROTOMOGRAFIA DE ALTA RESOLUÇÃO NO SETOR MINERAL

Autor: Daniel Uliana, Henrique Kahn, Renato Contessotto, Juliana Livi Antoniassi

Publikováno v: Holos, Vol 3, Iss 0, Pp 11-19 (2014)

A técnica de microscopia por tomografia de raios X (MRX) oferece uma capacidade única para análise de associações, morfologia e liberação de múltiplas fases através da aquisição direta de imagens tridimensionais de alta resolução. Trata-

Externí odkaz: https://doaj.org/article/ad9f290358f348b3b88435f23a53dc20

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Akademický článek

High quality recycled sand from mixed CDW – is that possible?

Autor: Carina Ulsen, Juliana Lívi Antoniassi, Isabel M. Martins, Henrique Kahn

Publikováno v: Journal of Materials Research and Technology, Vol 12, Iss , Pp 29-42 (2021)

Sand scarcity is occurring in different countries all over the world as highlighted by the United Nations Environmental Program, therefore, the development of sustainable alternative materials is vital. This paper presents the potential of mineral pr

Externí odkaz: https://doaj.org/article/1d74b3cf014c46c79e0f2fbce209242f

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Akademický článek

Effective density concentration in refractory gold ore for characterization purposes

Autor: Fabrizzio Rodrigues Costa, Guilherme Pinho Nery, Juliana Lívi Antoniassi, Carina Ulsen

Publikováno v: REM: International Engineering Journal, Vol 73, Iss 4, Pp 579-586 (2020)

Abstract This article evaluates the efficiency, benefits and limitations of pre-concentration by density separation for process mineralogy studies of low-grade gold ore. The pre-concentration by density aims to generate a product with a high content

Externí odkaz: https://doaj.org/article/1cfcf1844b85498fa4791dbe3edb4642

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Akademický článek

Process mineralogy of rare earths from deeply weathered alkali-carbonatite deposits in Brazil

Autor: Juliana Lívi Antoniassi, Daniel Uliana, Renato Contessotto, Henrique Kahn, Carina Ulsen

Publikováno v: Journal of Materials Research and Technology, Vol 9, Iss 4, Pp 8842-8853 (2020)

Brazil has the second largest rare earths mineral (REM) resource in the world, mainly associated with the weathered portion of carbonatite complexes. This paper reports process mineralogy studies performed for 10 samples collected from the deeply wea

Externí odkaz: https://doaj.org/article/90d76a2edfe948bfa079bf2f0ad428b0

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Dissertation/ Thesis

Caracterização tecnológica de recursos minerais de terras raras em complexos alcalinos e alcalino-carbonatíticos do Brasil.

Autor: Juliana Lívi Antoniassi

Publikováno v: Biblioteca Digital de Teses e Dissertações da USPUniversidade de São PauloUSP.

Este trabalho enfocou o levantamento de informações químicas e mineralógicas de detalhe em amostras de depósitos alcalinos e alcalino carbonatíticos brasileiros contento terras raras, de modo a fornecer subsídios para o desenvolvimento de proc

Externí odkaz: http://www.teses.usp.br/teses/disponiveis/3/3134/tde-27112017-143927/

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Dissertation/ Thesis

A difração de raios X com o método de Rietveld aplicada a bauxitas de Porto Trombetas, PA.

Autor: Juliana Lívi Antoniassi

Publikováno v: Biblioteca Digital de Teses e Dissertações da USPUniversidade de São PauloUSP.

O projeto enfocou a aplicação da difração de raios X (DRX) associada ao método de Rietveld na determinação quantitativa da composição mineralógica de bauxitas de Porto Trombetas, PA. Os resultados obtidos foram comparados com aqueles de out

Externí odkaz: http://www.teses.usp.br/teses/disponiveis/3/3134/tde-23112010-090249/

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Effective density concentration in refractory gold ore for characterization purposes

Autor: Guilherme Pinho Nery, Fabrizzio Rodrigues Costa, Juliana Lívi Antoniassi, Carina Ulsen

Publikováno v: REM: International Engineering Journal, Vol 73, Iss 4, Pp 579-586 (2020)
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
REM-International Engineering Journal, Volume: 73, Issue: 4, Pages: 579-586, Published: 30 SEP 2020
REM-International Engineering Journal v.73 n.4 2020
REM-International Engineering Journal
Fundação Gorceix (FG)
instacron:FG

This article evaluates the efficiency, benefits and limitations of pre-concentration by density separation for process mineralogy studies of low-grade gold ore. The pre-concentration by density aims to generate a product with a high content of gold a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe38f3f723dc0792464bfb467de0117f
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2448-167X2020000400579&tlng=en

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Process mineralogy of rare earths from deeply weathered alkali-carbonatite deposits in Brazil

Autor: Henrique Kahn, Carina Ulsen, Daniel Uliana, Juliana Lívi Antoniassi, Renato Contessotto

Publikováno v: Journal of Materials Research and Technology, Vol 9, Iss 4, Pp 8842-8853 (2020)
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d3e93c9cc4d2eeb2bbd5a01c73549172
https://doi.org/10.1016/j.jmrt.2020.05.128

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