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View article: Lab- and Pilot-Scale Effects of Spirulina (Limnospira sp.) Biomass Produced from Brewery Wastewater Treatment as a Biofertilizer for Barley (Hordeum vulgare) in Passo Fundo, Brazil
Lab- and Pilot-Scale Effects of Spirulina (Limnospira sp.) Biomass Produced from Brewery Wastewater Treatment as a Biofertilizer for Barley (Hordeum vulgare) in Passo Fundo, Brazil Open
Microalgae have been proposed for the bioremediation of wastewater, as well as for biofertilization and biostimulation of several plant species. This study used Limnospira sp. biomass produced in brewery wastewater to formulate a pelletize…
View article: As-rich florencite-(La) inclusions in euclase and quartz from hydrothermal veins in Abaíra, Bahia, Brazil: evidence from EPMA, single-crystal X-ray diffraction and Raman spectroscopy
As-rich florencite-(La) inclusions in euclase and quartz from hydrothermal veins in Abaíra, Bahia, Brazil: evidence from EPMA, single-crystal X-ray diffraction and Raman spectroscopy Open
View article: Studies on the Radziszewski Reaction—Synthesis and Characterization of New Imidazole Derivatives
Studies on the Radziszewski Reaction—Synthesis and Characterization of New Imidazole Derivatives Open
Two new long-chain N-alkyl imidazole derivatives, 2-(1-octadecyl-imidazol-2-yl)pyridine and 2-(furan-2-yl)-1-(octadecane-1-yl)-1H-imidazole, were synthesized via the Radziszewski reaction followed by N-alkylation. This is the first report …
View article: Interaction of the naphthalene-induced catalysis and leaching of magnetite: insights on acid fracturing for oil and gas recovery efficiency
Interaction of the naphthalene-induced catalysis and leaching of magnetite: insights on acid fracturing for oil and gas recovery efficiency Open
Acid fracturing is a widely used technique to enhance oil recovery in carbonate reservoirs, but its effectiveness depends on several factors, including the presence of iron oxides. Magnetite, commonly found in sedimentary rocks – including…
View article: Poços de Caldas – Cabo Frio Alignment: a Petrochronological Review of an Unconventional Plume Model
Poços de Caldas – Cabo Frio Alignment: a Petrochronological Review of an Unconventional Plume Model Open
This work reviews the Poços de Caldas – Cabo Frio Alignment (PCCFA), one of Brazil's alkaline igneous provinces, comprising syenites, phonolites, and trachytes, as well as magmatic breccias. TAS and Harker (for major and trace elements) di…
View article: Unveiling Early to Middle Devonian Biotic Crises in Eastern Gondwana's Paraná Basin, Brazil: Inorganic Geochemistry and Clay Mineral Insights
Unveiling Early to Middle Devonian Biotic Crises in Eastern Gondwana's Paraná Basin, Brazil: Inorganic Geochemistry and Clay Mineral Insights Open
View article: SYNTHESIS OF PALYGORSKITE PELLETS FOR APPLICATION IN ENVIRONMENTAL REMEDIATION
SYNTHESIS OF PALYGORSKITE PELLETS FOR APPLICATION IN ENVIRONMENTAL REMEDIATION Open
Palygoskite pellets were synthesized with lignin and WAX® and subjected to technological characterization for application in the remediation of Pb ions contained in aqueous effluents. X-ray diffraction (XRD) characterization of the palygor…
View article: ESTUDOS PETROGRÁFICOS E GEOQUÍMICOS DE REJEITOS DA MINERAÇÃO DO MIGMATITO COMPLEXO CAMBORIÚ PARA POTENCIAL REMINERALIZADOR DE SOLO
ESTUDOS PETROGRÁFICOS E GEOQUÍMICOS DE REJEITOS DA MINERAÇÃO DO MIGMATITO COMPLEXO CAMBORIÚ PARA POTENCIAL REMINERALIZADOR DE SOLO Open
RESUMO - A remineralização é um processo de renovação de solos agrícolas a partir da aplicação de rochas silicáticas moídas ricas em bases, onde ocorre a disponibilização de nutrientes necessários para o desenvolvimento das plantas, formam…
View article: Chemical and mineralogical characterization to define parameters for comminution, aiming at granulometric adequacy in rock rich in feldspars extracted in Pedra Lavrada-PB
Chemical and mineralogical characterization to define parameters for comminution, aiming at granulometric adequacy in rock rich in feldspars extracted in Pedra Lavrada-PB Open
The demand for high purity feldspars with low contaminant content, especially for use in the manufacture of porcelain tiles and white crockery, poses a challenge for processing the ore. Due to the need for very low iron levels, less than 0…
View article: OCORRÊNCIAS DE CASSITERITA E DE MINERAIS DO SUBGRUPO DA COLUMBITA NOS MUNICÍPIOS DE CONSELHEIRO LAFAIETE, CARANAÍBA E CRISTIANO OTONI, SUL DO ESTADO DE MINAS GERAIS.
OCORRÊNCIAS DE CASSITERITA E DE MINERAIS DO SUBGRUPO DA COLUMBITA NOS MUNICÍPIOS DE CONSELHEIRO LAFAIETE, CARANAÍBA E CRISTIANO OTONI, SUL DO ESTADO DE MINAS GERAIS. Open
RESUMO - Os municípios de Conselheiro Lafaiete, Caranaíba e Cristiano Otoni, no estado de Minas Gerais, estão inseridos na compartimentação tectônica denominada de Cinturão Mineiro. Esta região é considerada como uma extensão da Província …
View article: Unraveling the Poços De Caldas – Cabo Frio Alignment: A Petrochronological Review of a Non-Conventional Plume Model
Unraveling the Poços De Caldas – Cabo Frio Alignment: A Petrochronological Review of a Non-Conventional Plume Model Open
View article: Tonian Meta-Volcano-Sedimentary Group Linked to Ultramafic Magmatism on the Sw São Francisco Paleocontinent Margin: U-Pb Analysis and Field Insights from the Sw Brasília Orogen, West Gondwana, Brazil
Tonian Meta-Volcano-Sedimentary Group Linked to Ultramafic Magmatism on the Sw São Francisco Paleocontinent Margin: U-Pb Analysis and Field Insights from the Sw Brasília Orogen, West Gondwana, Brazil Open
View article: Synthesis and Characterization of Clay Composites with Zeolitic Imidazolate Framework for Application as an Herbicide Adsorbent
Synthesis and Characterization of Clay Composites with Zeolitic Imidazolate Framework for Application as an Herbicide Adsorbent Open
View article: Provenance Evolution And Sedimentary Records in a Rift Basin: U-Pb Detrital Zircon and Petrography of Sandstones of the Volta Redonda Basin (Central Segment of the Continental Rift of Southeastern Brazil)
Provenance Evolution And Sedimentary Records in a Rift Basin: U-Pb Detrital Zircon and Petrography of Sandstones of the Volta Redonda Basin (Central Segment of the Continental Rift of Southeastern Brazil) Open
View article: A Bibliometric Analysis of Geosmin Removal and Treatment Technologies using Web of Science Database and VOSviewer
A Bibliometric Analysis of Geosmin Removal and Treatment Technologies using Web of Science Database and VOSviewer Open
In the last few years, the presence of geosmin (GEO) in water bodies has caused serious problems related to water consumption by the population. Many studies focus on its occurrence and detection, but little is discussed about the technolo…
View article: Unraveling the Poços De Caldas – Cabo Frio Alignment: A Petrochronological Review
Unraveling the Poços De Caldas – Cabo Frio Alignment: A Petrochronological Review Open
View article: Amino-Silane - Functionalized Palygorskite with as a Promising Adsorbent for Cr(III): Evaluation of the process variables
Amino-Silane - Functionalized Palygorskite with as a Promising Adsorbent for Cr(III): Evaluation of the process variables Open
Chromium represents a serious threat to living organisms and ecological system. Thus, this removal from wastewater is an urgent concern. The present study evaluates the ability of the functionalized clay mineral palygorskite (PalSIL) to re…
View article: Antibiotics in water bodies, cyanobacterial toxicity and odorous compounds release: a review
Antibiotics in water bodies, cyanobacterial toxicity and odorous compounds release: a review Open
The present study aimed to propose a new cause of odorous compounds release, i.e., the presence of antibiotics in water bodies and its toxicity to cyanobacteria, known to be the main producer of geosmin (GEO) and 2-methylisoborneol (2-MIB)…
View article: The Influences of Forest Fires on the Repellency, Mineralogy and Thermogravimetry of Soils in a Mountainous Area of the Atlantic Forest Biome - the Study Case of São Pedro da Serra, Rio de Janeiro (Brazil)
The Influences of Forest Fires on the Repellency, Mineralogy and Thermogravimetry of Soils in a Mountainous Area of the Atlantic Forest Biome - the Study Case of São Pedro da Serra, Rio de Janeiro (Brazil) Open
Landscapes are systems undergoing constant transformation, associated with different forms of environmental disturbances. Among these disturbances are fires, which depending on the magnitude and frequency can have effects with different se…
View article: Composite Based on Babassu (Orbignya SP.) Mesocarp Residue and Palygorskite as Bioplastic
Composite Based on Babassu (Orbignya SP.) Mesocarp Residue and Palygorskite as Bioplastic Open
The solid waste generated by the disposal of plastic materials has become one of society's major problems in recent years. In this sense, several researchers have sought alternatives to minimize environmental pollution. A promising option …
View article: CARACTERIZAÇÕES PETROGRÁFICA E GEOFÍSICA DAS UNIDADES LITOLÓGICAS DO MUNICÍPIO DE BANANAL, LESTE DO ESTADO DE SÃO PAULO, E CORRELAÇÃO COM OCORRÊNCIAS DE ILMENITA.
CARACTERIZAÇÕES PETROGRÁFICA E GEOFÍSICA DAS UNIDADES LITOLÓGICAS DO MUNICÍPIO DE BANANAL, LESTE DO ESTADO DE SÃO PAULO, E CORRELAÇÃO COM OCORRÊNCIAS DE ILMENITA. Open
O mineral ilmenita (FeTiO3) corresponde a um dos principais portadores de Ti, e perfaz 90% do consumo mundial desse elemento. China e Austrália detém 50% das reservas mundiais medidas de ilmenita. No Brasil, as principais jazidas estão loc…
View article: Mineralogical Characterization of Pegmatites with Occurrences of Halloysite in the Regions of Porciúncula (RJ) and Patrocínio do Muriaé (MG), Southeastern Brazil
Mineralogical Characterization of Pegmatites with Occurrences of Halloysite in the Regions of Porciúncula (RJ) and Patrocínio do Muriaé (MG), Southeastern Brazil Open
Halloysite (Al2Si2O5(OH)4.2H2O) is a polymorphic kaolinite mineral whose predominant morphology is tubular. Due to this characteristic, halloysite is widely used in industrial applications, such as manufacture of silica- luminous catalysts…
View article: Adsorption of Glyphosate by Palygorskite
Adsorption of Glyphosate by Palygorskite Open
Glyphosate affects ecosystems due to exposure of non-target crops and is a persistent contaminant at low concentrations. The application of palygorskite to reduce glyphosate contamination in Brazil is an environmentally friendly way to rem…
View article: Avaliação da influência de variáveis de processo na adsorção de Cr (III) utilizando palygorskita funcionalizada com aminossilano.
Avaliação da influência de variáveis de processo na adsorção de Cr (III) utilizando palygorskita funcionalizada com aminossilano. Open
Anais da 2ª Conferência Brasileira de Planejamento Experimental e Análise de Dados: ConBraPA 2022 (978-85-5722-443-8) - Avaliação Da Influência De Variáveis De Processo Na Adsorção De Cr (Iii) Utilizando Palygorskita Funcionalizada Com Ami…
View article: Use of Airborne Geophysics for Potential Fe-Ti-V Oxides Mineralization in Metagabbros: An Example within the Paleoproterozoic Basement of Ribeira Belt, Southeast Brazil
Use of Airborne Geophysics for Potential Fe-Ti-V Oxides Mineralization in Metagabbros: An Example within the Paleoproterozoic Basement of Ribeira Belt, Southeast Brazil Open
The use of aerogeophysics applied to mineral exploration constitutes an important tool in investigation of metalliferous deposits. In this sense, the present study was motivated by a 720-ppm vanadium anomaly, associated with metagabbroic r…
View article: Mineralogy of Palygorskite Occurrences from Guadalupe, Piauí, Parnaíba Basin
Mineralogy of Palygorskite Occurrences from Guadalupe, Piauí, Parnaíba Basin Open
Palygorskite is a clay mineral with structural units forming ribbons, whose economic importance is directly related to its unusual structure and physicochemical properties, which give it a wide variety of uses in industry. The formation st…
View article: A influência do fogo nas propriedades de um solo sob manejo de agricultura de corte e queima em ambiente serrano no bioma de Mata Atlântica
A influência do fogo nas propriedades de um solo sob manejo de agricultura de corte e queima em ambiente serrano no bioma de Mata Atlântica Open
The objective of this study was to evaluate the effect of fire on the transformation of the soil’s physical (granulometry and porosity), chemical (organic matter and pH) and mineralogical properties in an area where slash-and-burn farming …
View article: Evidence of lead ions on palygorskite surface after adsorptive process: kinetic and isotherms studies
Evidence of lead ions on palygorskite surface after adsorptive process: kinetic and isotherms studies Open
Our previous work reported that palygorskite has potential for application as metal cations adsorbent due to its chemical and mineralogical properties.In this work, kinetic study and adsorption isotherms were performed in order to evaluate…
View article: Amoxicillin Trihydrate Characterization and investigative adsorption using a Brazilian montmorillonite
Amoxicillin Trihydrate Characterization and investigative adsorption using a Brazilian montmorillonite Open
The objective of this work was to investigate the adsorptive potential of a previously benefited and characterized brazilian montmorillonite sample, regarding amoxicillin trihydrate removal, a zwitterionic species, present in aqueous solut…
View article: Impact of implementing quality control systems in laboratories associated with teaching and research institutions − The case study of the laboratory for macromolecules and colloids in the petroleum industry
Impact of implementing quality control systems in laboratories associated with teaching and research institutions − The case study of the laboratory for macromolecules and colloids in the petroleum industry Open
The competitiveness between institutions and companies generates the need to cheapen products and services and facilitate their production. Thus, several companies establish partnerships with specialized university laboratories in order to…