Results 31 to 40 of about 921,643 (195)

Influência do uso das cinzas de carvão mineral de termelétrica em argamassas de revestimento: dosagem por curvas granulométricas [PDF]

, 2003
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Civil.O aproveitamento de resíduos sólidos industriais representa uma alternativa benéfica tanto para as indústrias geradoras ...
Margon, Patrícia Vilela
core  

Mineral resources of Thailand [PDF]

, 2002
Volume 16 of the ESCAP Mineral Atlas series represents the continuation of the ESCAP secretariat’s work in the evaluation of the geological prospects, mineral resource potential and mineral development policy of ESCAP member countries.
UN.ESCAP, Thailand. Department of Mineral Resources   +1 more
core   +1 more source

Prospect for Fine and Coarse Coal Waste Deployment for a Constructed Technosol and Eragrostis Tef Growth

Mining
The aim of this study was to evaluate soil properties and Eragrostis tef (teff) growth on Technosols produced from coarse and fine coal wastes from Moatize Mine, Mozambique.
Eduardo Kercher de Oliveira, Arthur Cesa Venturella, Jéssica Weiler, Ivo André Homrich Schneider   +3 more
doaj   +1 more source

Rare Earth Element Potential in the Araí Rift Metavolcanic, Central Brazil: Gamma‐Ray Signatures, Mineralogy and Exploration Implications

Terra Nova, EarlyView.
ABSTRACT Although central Brazil hosts significant ion‐adsorption rare earth element (REE) deposits associated with A‐type granites, their coeval volcanic counterparts have been largely overlooked as exploration targets. This study demonstrates that acidic metavolcanic rocks of the Araí Group share strong radiometric, geochemical and mineralogical ...
Yuri Ribeiro, Nilson Francisquini Botelho, Valmir da Silva Souza, Diego Guilherme da Costa Gomes   +3 more
wiley   +1 more source

Multi‐Mineral Geochronology Across the Neoproterozoic Brasília Nappe Stack: Constraints on Thermal Resetting and Metamorphic Architecture

Terra Nova, EarlyView.
ABSTRACT The Southern Brasília Orogen formed during Western Gondwana's final assembly and comprises nappe systems piled against the São Francisco Craton. We present new rutile U–Pb ages from the lowermost Canastra Group (> 2.2 Ga) and the uppermost Carrancas Group (~560 Ma), integrated with published zircon, monazite, garnet, and mica ages from the ...
Rodrigo Irineu Cerri, Alex J. Choupina A. Silva, Tamiris Pagotti Gonçalves Pinto, Rodrigo Prudente de Melo, George Luiz Luvizotto, Regiane Andrade Fumes, Fabrício de Andrade Caxito, Renato Moraes   +7 more
wiley   +1 more source

Caracterização térmica e mineralógica de materiais vitroceramicos obtidos a partir de cinza pesada de carvão mineral [PDF]

, 2014
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Química, Florianópolis, 2014Os mercados atuais e futuros apontam para uma necessidade cada vez maior de se reaproveitar os insumos ...
Martins, Geraldo Jorge Mayer
core  

Valorization of Post‐Consumer Waste From Metallized Flexible Packaging and Industrial EPM Waste: Development of Sustainable Composites

Journal of Applied Polymer Science, Volume 143, Issue 40, October 20, 2026.
Post‐consumer metallized flexible packaging waste and industrial EPM waste are transformed into sustainable composites through mechanical recycling. The incorporation of 30 wt% EPM provides the most favorable balance between stiffness, ductility, and impact resistance, achieving 53.36 kJ/m2.
Tiago O. Oliveira, Samara L. Santos, Ruth M. C. Santana   +2 more
wiley   +1 more source

Influência do uso de cinzas da combustão de carvão mineral em argamassas de revestimento [PDF]

, 2001
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia CivilHá muito tempo, estudiosos de todo mundo, encontram alternativas para a disposição das cinzas de carvão mineral, desde o uso
Lenzi, Elon José
core  

Application of SAP to Improve the Handling Properties of Iron Ore Tailings of High Cohesiveness: Could a Reagent Help the Decommissioning Process of a Dam?

Mining
This work aims to evaluate the use of a superabsorbent polymer (SAP) to provide improvements in the handling properties of iron ore tailings (IOT). The material studied came from the magnetic separation reprocessing of the material discarded at the ...
Hely Simões Gurgel, Ivo André Homrich Schneider   +1 more
doaj   +1 more source

SIMULAÇÃO E AVALIAÇÃO EXPERIMENTAL DE ESTRUTURAS GEODÉSICAS DE BAMBU REFORÇADAS COM CABOS

Mix Sustentável, 2020
O objetivo deste trabalho é analisar o comportamento do reforço feito com cabos de nylon trançado feito em estruturas geodésicas construída com barras de bambu cilíndricas e maciças unidas com resina de poliéster com carga mineral.
Fabiano Ostapiv, Gustavo Correa Castro, Joamilton Stahlschmidt, Gabriel Ostapiv   +3 more
doaj   +1 more source