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PÓS-GRADUAÇÃO EM ENGENHARIA DE MINAS
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PÓS-GRADUAÇÃO EM ENGENHARIA DE MINAS
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Estudo cinético da microflotação do espodumênio utilizando como coletor óleo de mamona saponificado. (BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 1998-07-02)The present work is a microflotation kinetic study of Spodumene of Seridozinho-Paraiba mine origin. The microflotation tests were made with anionic collectors (Sodium Oleate and Saponified Castor Oil), using a modified ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 1997-12-29)This present research work has as main objective present a method to explore in rocky massif of Picui Granit, considering the nowadays situations of the main methods of exploring and cutting techniques used on exploitation ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 2004-04)This work aimed at the technological characterization of samples of verniculite ores of Paraiba, in terms of chemical and mineralogical composition, concentration, with special prominence for the process of thermal ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 2005)This study aims to establish a methodology for short-term planning in a limestone quarry. The main objective is to reduce the standard deviation in the concentration of CaC03, Si02, Fe203 and A1203 in the ROM (Run of ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 2005-08-29)Cut-Off quality is the basic parameter for mining economic definition. It is the ore substance which is capable of paying the piowings operations, its process and commercialization. Hence, this paper aimed at developing ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 1994-01-24)The purpose of this research is to estimate the productivity of an underground mine haulage system, using the simulation technique. A hybrid model involving deterrninistic and stochastic simulation has been employed. The ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 2003-08-05)The Bentonitic clay is widely used in many areas of the industry, such as drilling mud for petroleum and water perforations, steel industries, pelotization of iron ore, chemical and pharmaceutical industry, among others. ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 1995-09-21)"Die scheelite mining cycle ocurred in a region of Northeast Brazil that includes part of the States of Rio Grande do Norte and Paraiba, usually known as the Northeast Scheelite Province. That province contributed, during ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 1997-09-26)This research is developed in the context of rock mechanics regarding to design of excavations in rock by mean of numerical method. Hoek-Brown failure criterion for analysis of stability in rock masses excavations is ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 2003)The vermiculite deposits of the Queimada Nova locality of the Paulistana region of Piaui State in northeast Brazil is associated with the ultrabasic intrusives which are enclosed by the country rocks composed of garnet ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 2001-10-15)The primary objective of this dissertation is to verify the conditions of application of a block modeling software, already with wide and proven use in the modeling of mineral deposits and mines in operation, for the ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 1999-12-16)The present study deals with the geostatistical analysis of soil samples and auriferous stream sediments from the municipality of Princesa Isabel (PB). Gold occurs in quartz veins of Higher Formations metasedimentary ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 1998)The main objective of the present dissertation is to analyze the fragmentation resulting from blasting at a quarry located at Queimadas County, in the State of Paraiba. The quarry is owned by PEDRAQ company. The rock, ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 2007-12-11)This research proposes a methodology for the determination of the state of stress in ornamental stones rock masses, based on the stress relief of the rock surface. It is adopted as reference of that study a granitic ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 1998-12-29)Mine ventilation network analysis is a useful technique for solving air flow problems both in new projects and at operating mines. The present research, which encompasses mine ventilation network analysis, has been ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 2003-04-29)The studies presented were performed aiming at a better knowledge of the kaolin from the region of Borborema-Seridó (Paraíba and Rio Grande do North, Brazil) and consist of: a detailed presentation of sample preparation for ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 1991-09-30)The purpose of this work is to contrioute on a better utilization of the pegmatite minerals in the Paraiba state and elucidate fundamental aspect related with to flotation. This work represents a initial step forwards ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 2000-03)The objective of this research is to analyse the noise that comes from a limestone quarry located in the urban area of Joao Pessoa city, capital of the state of Paraiba. A Portuguese group named CIMPOR actually owns the ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 2009-12-04)Traditionally the characterization of ornamental rocks is limited to the aspects related to the use of final products. That type of characterization is made for commercial purposes. However, there i t is possible to ...
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(BrasilCentro de Tecnologia e Recursos Naturais - CTRNPÓS-GRADUAÇÃO EM ENGENHARIA DE MINASUFCGUniversidade Federal de Campina Grande, 2007-12-11)The study of fractures is of great importance for the extraction of ornamental rock, as discontinuities can present themselves closed, open or filled and persistent, making it difficult to thus disassemble it to be ...