Search Results - "Pedro Bolívar, Juan"

Recycled Aggregates from Construction and Demolition Waste in the Manufacture of Urban Pavements by Contreras-Llanes, Manuel, Romero, Maximina, Gázquez, Manuel Jesús, Bolívar, Juan Pedro

“…Construction and Demolition Waste (CDW) is among the largest waste streams in the world. Therefore, within the Circular Economy concept, there is a growing…”
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A Review of the Commercial Uses of Sulphate Minerals from the Titanium Dioxide Pigment Industry: The Case of Huelva (Spain) by Manuel Jesús Gázquez, Manuel Contreras, Silvia María Pérez-Moreno, Jose Luis Guerrero, Melquiades Casas-Ruiz, Juan Pedro Bolívar

“…This study was focused on the historical evolution of the waste management policy carried out by the Spanish industry devoted to titanium dioxide pigments…”
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Dynamics of contaminants in phosphogypsum of the fertilizer industry of Huelva (SW Spain): From phosphate rock ore to the environment by Pérez-López, Rafael, Nieto, José Miguel, López-Coto, Israel, Aguado, Juan Luis, Bolívar, Juan Pedro, Santisteban, María

“…The dynamics of trace elements from phosphate rock ore to the environment in a phosphoric acid plant located in SW Spain and the impact of phosphogypsum wastes…”
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Utilization of phosphogypsum and red mud in alfalfa cultivation by Palencia, Pedro, Luis Guerrero, José, Millán, Rebeca, Mosqueda, Fernando, Pedro Bolívar, Juan

“…In this work, the utilization of phosphogypsum (PG), a waste coming from the manufacture of phosphate fertilizers, as fertilizer for alfalfa (Medicago sativa…”
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Radiological assessment of both unperturbed and agricultural soils from southern Ecuador by Ramos-Lerate, Inmaculada, Lozano-Bermejo, Rafael, Burneo, Juan Ignacio, Armijos, Chabaco, Piñero, Manuel, Bolívar, Juan Pedro, Gázquez, Manuel Jesús

“…The radiological background in soils across various areas in Southern Ecuador, such as Vilcabamba, Loja, Palanda, Catamayo, and Taquil, was studied to…”
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Microencapsulation of phosphogypsum into a sulfur polymer matrix: Physico-chemical and radiological characterization by López, Félix A., Gázquez, Manuel, Alguacil, Francisco José, Bolívar, Juan Pedro, García-Díaz, Irene, López-Coto, Israel

“…► Microencapsulation of phosphogypsum residues into a sulfur polymer matrix. ► Inertization of a waste material. ► Radiological characterization of the as…”
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Valorisation of waste ilmenite mud in the manufacture of sulphur polymer cement by Contreras, Manuel, Gázquez, Manuel Jesús, García-Díaz, Irene, Alguacil, Francisco. J., López, Félix. A., Bolívar, Juan Pedro

“…This paper reports the preparation of sulphur polymer cements (SPCs) incorporating waste ilmenite mud for use in concrete construction works. The ilmenite mud…”
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Synoptic and meteorological characterisation of olive pollen transport in Córdoba province (south-western Spain) by Hernández-Ceballos, Miguel A, García-Mozo, Hermínia, Adame, José Antonio, Domínguez-Vilches, Eugenio, De la Morena, Benito A, Bolívar, Juan Pedro, Galán, Carmen

“…The main goal of the present study was to provide a detailed analysis of olive pollen transport dynamics in the province of Córdoba (south-western Spain) by…”
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Stabilization of Phosphogypsum by Sulfur Polymer by García-Díaz, Irene, López-Coto, Israel, Bolívar, Juan Pedro, Alguacil, Francisco José, Gázquez, Manuel, López, Félix Antonio

“…AbstractIn this research, a new type of phosphogypsum–sulfur polymer cement (PG-SPC) for use in the manufacture of building materials was obtained…”
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Evaluation of the radioactive pollution in the salt-marshes under a phosphogypsum stack system by Guerrero, José Luis, Gutiérrez-Álvarez, Isidoro, Mosqueda, Fernando, Gázquez, Manuel Jesús, García-Tenorio, Rafael, Olías, Manuel, Bolívar, Juan Pedro

“…Next to the city of Huelva (SW of Spain), around 100 Mt of phosphogypsum (PG) are stored in stacks on the salt-marshes of the Tinto River estuary covering a…”
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Continuous and simultaneous conversion of phosphogypsum waste to sodium sulfate and potassium sulfate using quaternary phase diagram by Laaboubi, Khaoula, Bouargane, Brahim, Moreno, Silvia Pérez, Bakiz, Bahcine, Raya, Juan Pedro Bolívar, Atbir, Ali

“…In this present work, the transformation of the Moroccan phosphogypsum (PG) waste, considered a potential source of sulfate, into potassium sulfate compound…”
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A new methodology based on TRU resin to measure U-, Th-isotopes and 210Po by alpha-particle spectrometry by Gázquez, Manuel Jesús, Paz Gómez, Daniela Carolina, Alonso, José Juan, Pérez-Moreno, Silvia María, Ramos-Lerate, Inmaculada, Ruiz, Melquiades Casas, Bolívar, Juan Pedro

“…This report presents a new methodology to isolate and measure 210Po, as well as uranium and thorium isotopes. This new methodology reduces the standard time of…”
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Radioactive impact in sediments from an estuarine system affected by industrial wastes releases by Bolı́var, Juan Pedro, Garcı́a-Tenorio, Rafael, Mas, José Luis, Vaca, Federico

“…A big fertilizer industrial complex and a vast extension of phosphogypsum piles (12 km 2), sited in the estuary formed by the Odiel and Tinto river mouths…”
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A Practical Procedure to Determine Natural Radionuclides in Solid Materials from Mining by Alejandro Barba-Lobo, Manuel Jesús Gázquez, Juan Pedro Bolívar

“…There are many regulations related to the radiological control of NORMs (Naturally Occurring Radioactive Materials) in activities such as mining, industry,…”
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Influence of State of Alarm Caused by COVID-19 on Noise in the City Centre of Huelva (Spain) by tes, Juan Carlos, Sánchez-Sánchez, Rafael, Bolívar, Juan Pedro

“…At the beginning of the COVID-19 pandemic the government of Spain decreed the State of Alarm to confine the entire population at their homes, except for…”
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The geochemical behavior of natural radionuclides in coastal waters: A modeling study for the Huelva estuary by Periáñez, Raúl, Hierro, Almudena, Bolívar, Juan Pedro, Vaca, Federico

“…A numerical model to study the behavior and distribution of natural radionuclides in sediments of an estuary (Odiel and Tinto rivers, SW Spain) affected by…”
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Construction and demolition waste as recycled aggregate for environmentally friendly concrete paving by Contreras Llanes, Manuel, Romero Pérez, Maximina, Gázquez González, Manuel Jesús, Bolívar Raya, Juan Pedro

“…Recycled aggregates (RA) from construction and demolition waste (CDW) instead of natural aggregates (NA) were analysed in the manufacture of new eco-friendly…”
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Recovery of ilmenite mud as an additive in commercial Portland cements by Llanes, Manuel Contreras, González, Manuel Jesús Gázquez, Moreno, Silvia María Pérez, Raya, Juan Pedro Bolívar

“…This work is focused on the manufacture of commercial cement using as additive ilmenite mud, a waste generated during TiO 2 pigment production. The cements…”
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The characterization of noise levels in a neonatal intensive care unit and the implications for noise management by tes-Garrido, Juan Carlos, Velez-Pereira, Andres Mauricio, Gazquez, Manuel, Hidalgo-Hidalgo, Montserrat, Juan Pedro Bolivar

“…Background The effects of noise are particularly harmful for the newborns, and therefore this study assesses and characterizes noise levels in a neonatal…”
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A simple and precise methodology to determine particulate matter mass in atmospheric filters; validation and application cases by Barba-Lobo, Alejandro, Gutiérrez-Álvarez, Isidoro, Adame, José Antonio, Bolívar, Juan Pedro

“…In the past decades, particulate matter (PM) measurements have been used extensively in atmospheric sciences, as it allows studying the evolution of tracers…”
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