S. Rada
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View article: Comparison of the Water Absorbability of Rocks and Composite-Cement Stones for Optimal Characterization of Sustainable Building Materials
Comparison of the Water Absorbability of Rocks and Composite-Cement Stones for Optimal Characterization of Sustainable Building Materials Open
The aim of this study was to analyze properties of natural and waste-containing porous materials intended for use in construction. Experiments using the hydrostatic buoyancy method were conducted to assess the fundamental characteristics o…
View article: Enhancing Electrochemical Properties of Vitreous Materials Based on CaO–Fe2O3–Fe–Pb and Recycled from Anodic Plate of a Spent Car Battery
Enhancing Electrochemical Properties of Vitreous Materials Based on CaO–Fe2O3–Fe–Pb and Recycled from Anodic Plate of a Spent Car Battery Open
This paper presents a novel approach for the recycling of spent anodic plates from lead-acid batteries through the melt quenching method using iron and calcium oxides and iron powder. The resulting recycled samples, with a 3CaO·5Fe2O3·xFe·…
View article: Recycling of Lead-Acid Battery Electrodes Using Sb2O3 and CuO: Characterization and Electrochemical Investigations
Recycling of Lead-Acid Battery Electrodes Using Sb2O3 and CuO: Characterization and Electrochemical Investigations Open
The recycling of spent automotive batteries is essential for minimizing their environmental impact. This requires eco-innovative methods with low cost and energy use. The present study explores the recycling of battery electrodes through t…
View article: Structural and Textural Characteristics of Municipal Solid Waste Incineration Bottom Ash Subjected to Periodic Seasoning
Structural and Textural Characteristics of Municipal Solid Waste Incineration Bottom Ash Subjected to Periodic Seasoning Open
The objective of this study was to determine the structural and textural description of municipal solid waste incineration (MSWI) bottom ash that was subjected to a six-month seasoning process. Bottom ash samples, with a particle size frac…
View article: Graphite–Phosphate Composites: Structure and Voltammetric Investigations
Graphite–Phosphate Composites: Structure and Voltammetric Investigations Open
The utilization of lithium-ion batteries (LIBs) is increasing sharply with the increasing use of mobile phones, laptops, tablets, and electric vehicles worldwide. Technologies are required for the recycling and recovery of spent LIBs. In t…
View article: The Effect of Calcium and Iron (III) Oxides on Lead Spent Plates: Spectroscopic, Voltametric, and EIS Investigations
The Effect of Calcium and Iron (III) Oxides on Lead Spent Plates: Spectroscopic, Voltametric, and EIS Investigations Open
In this study, xCaO‧5Fe2O3‧(95−x)Pb glasses and vitroceramics containing various concentrations of calcium ions (from 0 to 50 mol% CaO) were prepared using the spent anodic plate of a car battery. X-ray diffraction analysis revealed change…
View article: Circular Economy of Construction and Demolition Waste for Nanocomposite Cement: XRD, NMR, Vickers, Voltammetric and EIS Characterization
Circular Economy of Construction and Demolition Waste for Nanocomposite Cement: XRD, NMR, Vickers, Voltammetric and EIS Characterization Open
In this paper, we present the structural, mechanical and electrical properties of composite cement materials that can be widely used as substituent for cement. We start with the characterization of a composite cement sample using an analys…
View article: Physico-chemical characterization and possible uses of sludge processed from an urban sewage treatment plant
Physico-chemical characterization and possible uses of sludge processed from an urban sewage treatment plant Open
Nowadays, the challenge is to transform dehydrated sewage sludge resulting from wastewater treatment plants from waste into resource. Following this objective, the sludge was further dried and submitted to X-ray diffraction (XRD) and FTIR …
View article: Development of Iron–Silicate Composites by Waste Glass and Iron or Steel Powders
Development of Iron–Silicate Composites by Waste Glass and Iron or Steel Powders Open
There is growing interest in the opportunities regarding construction and demolition wastes, such as glass and metal powders, for developing a circular economy and their transformation into new materials. This management and recycling of c…
View article: Recycled and Nickel or Cobalt-Doped Lead Materials from Lead Acid Battery
Recycled and Nickel or Cobalt-Doped Lead Materials from Lead Acid Battery Open
This paper proposes the recycling of plates from spent car batteries by the melt quenching method and the incorporation of NiO or Co3O4 contents in order to improve the electrochemical performance of new materials for applications as elect…
View article: Nanocomposites as Substituent of Cement: Structure and Mechanical Properties
Nanocomposites as Substituent of Cement: Structure and Mechanical Properties Open
To date, the scientific research in the field of recycling of construction and demolition wastes was focused on the production of concrete, cements, and bricks. The attainment of these products was limited to the addition of suitable binde…
View article: Natrium Diacid Phosphate-Manganese-Lead Vitroceramics Obtained from Spent Electrodes
Natrium Diacid Phosphate-Manganese-Lead Vitroceramics Obtained from Spent Electrodes Open
NaH2PO4-MnO2-PbO2-Pb vitroceramics were studied usinginfrared (IR), ultraviolet-visible (UV-Vis) and electron paramagnetic resonance (EPR) spectroscopies to understand the structural modifications as potential candidates for electrode mate…
View article: Structural, Optical, and Magnetic Studies of the Metallic Lead Effect on MnO2-Pb-PbO2 Vitroceramics
Structural, Optical, and Magnetic Studies of the Metallic Lead Effect on MnO2-Pb-PbO2 Vitroceramics Open
MnO2-lead materials have attracted attention in their applications as electrodes. This work reports a detailed spectroscopic study of the compositional variation of MnO2-xLead vitroceramic materials with varied Pb contents. The concentrati…
View article: XANES, EXAFS, Voltammetric, and Microhardness Studies of Manganese Dioxide–Lead–Lead Dioxide Vitroceramics
XANES, EXAFS, Voltammetric, and Microhardness Studies of Manganese Dioxide–Lead–Lead Dioxide Vitroceramics Open
In this work we investigated the electrochemical performances and mechanical behavior of the manganese dioxide–lead dioxide–lead vitreous system. The structural and electrochemical properties of vitroceramics were investigated by the analy…
View article: Spectroscopic and Voltammetric Study of Recycled and Cooper-Manganese-Doped Electrode Materials
Spectroscopic and Voltammetric Study of Recycled and Cooper-Manganese-Doped Electrode Materials Open
The novelty of this study consists in: i) synthesis and characterization of electrode materials recycled from a spent car battery and doped with MnO2 and CuO by the analysis of X-ray diffraction (XRD), Infrared (IR) and Electron Paramagnet…
View article: Performance of the Recycled and Copper-Doped Materials from Spent Electrodes by XPS and Voltammetric Characteristics
Performance of the Recycled and Copper-Doped Materials from Spent Electrodes by XPS and Voltammetric Characteristics Open
Recycling of electrodes from a car battery and doping them with high CuO content was achieved by the melt quenching method. As sources of PbO 2 and Pb, the active mass of the anode (Pb) and the cathode (PbO 2 ) of a spent lead accumulator …