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Low-cost ceramic membrane bioreactor: Effect of backwashing, relaxation and aeration on fouling. Protozoa and bacteria removal
Elsevier (2022-07-04)Membrane biological reactors (MBR) constitute an alternative to conventional wastewater treatments for improved recovery, reuse, and recycling of water. MBRs have a smaller footprint, provide better biotreatment and achieve ... -
Low-cost ceramic membranes: A research opportunity for industrial application
Elsevier (2019-03)Obtaining low-cost ceramic membranes has attracted great interest in the scientific community in last years, as it allows to preserve the advantages of ceramic materials while significantly reduce their manufacturing costs. ... -
Mechanical Behavior Monitored by Acoustic Emission of Nanostructured Alumina–Titania Coatings
Springer (2022-10-09)This study aims to evaluate the mechanical behavior of nanostructured and conventional alumina–titania coatings by means of combining four-point bend tests monitored with acoustic emission. Determination of bending strength, ... -
Mechanical properties obtained by nanoindentation of sintered zircon-glass matrix composites
Elsevier (2020-01-10)This study was undertaken to determine the effect of zircon content and firing temperature on the hardness and indentation modulus of zircon–glass composites obtained by sintering. A standard non-devitrified borosilicate ... -
Microfluidic rheology: A new approach to measure viscosity of ceramic suspensions at extremely high shear rates
Elsevier ScienceDirect (2020-12-19)This paper describes the operation principles of a micro-scale rheometry equipment based on the technology of microchannels on a chip and compares it with a conventional macro-scale rotational rheometer. Both techniques ... -
Microstructural and in vitro characterisation of 45S5 bioactive glass coatings deposited by Solution Precursor Plasma Spraying (SPPS)
Elsevier (2018-12-20)The present work focused on the development of bioactive glass coatings employing Solution Precursor Plasma Spraying. Precursors of SiO2, CaO, Na2O and P2O5 were mixed in distilled water to prepare concentrated solutions ... -
Microstructure assessment of suspension plasma spraying coatings from multicomponent submicronic Y-TZP/Al2O3/SiC particles
Elsevier (2018-08-01)In this research, Suspension Plasma Spraying (SPS) technique was used for the thermal deposition of a multicomponent mixture made up of an Y-TZP/Al2O3 matrix with SiC particles. Two suspensions of Y-TZP and Al2O3 with ... -
Microstructure-dependent magnetic permeability in ferrites from nanoparticles
Elsevier (2023-04-03)Ferrite samples of composition Cu0.12Ni0.23Zn0.65(Fe2O4) have been prepared by a conventional ceramic process using different sintering temperatures and dwell times. The average particle size is around 25–30 nm and, after ... -
Modeling of High Nanoparticle Exposure in an Indoor Industrial Scenario with a One-Box Model
MDPI (2019-05)Mass balance models have proved to be effective tools for exposure prediction in occupational settings. However, they are still not extensively tested in real-world scenarios, or for particle number concentrations. An ... -
Nanoparticle formation and emission during laser ablation of ceramic tiles
Elsevier (2018-12)Pulsed laser ablation (PLA) is a widely used technology, for surface structuring and tile decoration in the ceramic industry. During PLA, nanoparticles (NP <100 nm) are unintentionally released and may impact exposure. ... -
Non-isothermal sintering of powdered vitrified composites. A kinetic model
Elsevier (2019)This report sets out the results obtained on studying the sintering process of glass–zircon composites, analysing the microstructural changes that developed on modifying zircon content. The sintering of composites with ... -
Norfloxacin mineralization under light exposure using Sb-SnO2 ceramic anodes coated with BiFeO3 photocatalyst
Elsevier (2022-12-07)Advanced Oxidation Processes have been proven to be an efficient way to remove organic pollutants from wastewaters. In this work, a ceramic electrode of Sb–SnO2 (BCE) with a layer of the photocatalytic material BiFeO3 ... -
Novel Sb-doped SnO2 ceramic anode coated with a photoactive BiPO4 layer for the photoelectrochemical degradation of an emerging pollutant
Elsevier (2023-06-08)In the present work, a study about the electrochemical and photoelectrochemical degradation of an emerging pollutant using an Sb-doped SnO2 anode coated with a photocatalytic layer of BiPO4 has been performed. The ... -
On the Relationship between Exposure to Particles and Dustiness during Handling of Powders in Industrial Settings
Oxford University Press (2019-01-07)Exposure to ceramic powders, which is frequent during handling operations, is known to cause adverse health effects. Finding proxy parameters to quantify exposure is useful for efficient and timely exposure assessments. ... -
Phytochemical Analysis, Acetylcholinesterase Inhibition, Antidiabetic and Antioxidant Activities of Atriplex halimus L. (Amaranthaceae Juss.)
Wiley (2024-01-15)Mediterranean saltbush Atriplex halimus L. (Amaranthaceae) from different bioclimatic arid zones (ten wild populations) were studied. Phenols contents, flavonoids, flavonols, tannins and anthocyanins were determined and ... -
Quartz particle size and cooling rate effects on microstructural defects and mechanical properties of feldspar-based ceramic materials
Elsevier (2023-07-14)Reinforcement or microstructural damage? What effect do quartz particles have on a feldspar-based ceramic material? To answer this question, this study investigates the impact of different cooling conditions on the generation ... -
Residual stresses in porcelain tiles. Measurement and process variables assessment
Elsevier (2019-04-22)This research addresses the residual stresses phenomenon taking place during the manufacture of porcelain tiles. Residual stresses were quantified by the strain relaxation slotting method. The method is based on the fact ... -
Revisiting pyroplastic deformation. Application for porcelain stoneware tile bodies
Elsevier (2018-09-21)In this research an analysis of firing deformation tendency in porcelain stoneware tile compositions was carried out based on pyroplastic deformation measurements. The effect of the amount and nature of some fluxing additives ... -
Single droplet drying of detergents: Experimentation and modelling
Elsevier (2021-03-03)This study evaluates the single droplet drying (SDD) of detergents. Experimental data are used to validate a theoretical multistage model. The experiments are carried out in an acoustic levitator analysing six different ... -
Sintered microstructure effect on RF-wave shielding properties of a Cu-doped Ni–Zn-polycrystalline ferrite
Elsevier (2021)The shielding properties of a Cu-doped Ni–Zn polycrystalline ferrite in the frequency range 1 MHz to 1 GHz were explored. Samples of composition (Cu0.12Ni0.23Zn0.65)Fe2O4 were prepared by the traditional ceramic route. The ...