BackExaminar Artículos por departamento (eus.) "Ingeniaritza kimikoa eta ingurumenaren ingeniaritza"
Now showing items 1-20 of 363
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3D printed alginate-cellulose nanofibers based patches for local curcumin administration
(Elsevier, 2021-07)Alginate and nanocellulose are potential biomaterials to be employed as bioinks for three-dimensional (3D) printing. Alginate-cellulose nanofibers (A-CNF) formulations with CNF amounts up to 5 wt% were developed and ... -
3D Printed Chitosan-Pectin Hydrogels: From Rheological Characterization to Scaffold Development and Assessment
Zarandona Rodríguez, Iratxe
; ; ; De la Caba Ciriza, María Coro ; ; Guerrero Manso, Pedro Manuel (MDPI, 2021-10-21)
Chitosan-pectin hydrogels were prepared, and their rheological properties were assessed in order to select the best system to develop scaffolds by 3D printing. Hydrogels showed a weak gel behavior with shear thinning flow ... -
3D printing of customized all-starch tablets with combined release kinetics
González Munduate, Kizkitza; ; ; ; (Elsevier, 2022-06-25)
[EN] Starch-based tablets with tailored releases were prepared by 3D printing using a hydrophobic drug. The importance of the origin of the excipient in the inks and tablets was analyzed. Besides, the effect of the geometry ... -
3D-Printed Hybrid Collagen/GelMA Hydrogels for Tissue Engineering Applications
(MDPI, 2022-10-25)Bioprinting is an emerging technology involved in the fabrication of three-dimensional tissue constructs for the repair and regeneration of various tissues and organs. Collagen, a natural protein found abundantly in the ... -
3D-Printed Mucoadhesive Collagen Scaffolds as a Local Tetrahydrocurcumin Delivery System
Andonegui San Martín, Mireia; ; ; De la Caba Ciriza, María Coro ; Guerrero Manso, Pedro Manuel (MDPI, 2021-10-15)
Native collagen doughs were processed using a syringe-based extrusion 3D printer to obtain collagen scaffolds. Before processing, the rheological properties of the doughs were analyzed to determine the optimal 3D printing ... -
5-Methoxymethyl furfural production by acid heterogeneous catalytic etherification of 5-hydroxymethyl furfural
; Requies Martínez, Jesús María; Iriondo Hernández, Aitziber ; ; (Elsevier, 2024-01)
The use of non-edible raw materials from agriculture as a form of biomass to obtain carbon-based compounds is the most viable solution to replace fossil resources. Within this, 5-hydroxymethyl furfural (HMF) is a platform ... -
A comprehensive review of primary strategies for tar removal in biomass gasification
Cortázar Dueñas, María; Santamaría Moreno, Laura ; López Zabalbeitia, Gartzen ; ; ; ; ; Olazar Aurrecoechea, Martin (Elsevier, 2023-01)
In the current energy scenario, the production of heat, power and biofuels from biomass has become of major interest. Amongst diverse thermochemical routes, gasification has stood out as a key technology for the large-scale ... -
A feasibility study of the installation of a modular bioreactor inside a chemical scrubber at a wastewater treatment plant
Barona Fernández, María Astrid; ; Elías Saenz, Ana Josefina ; ; Santaolalla Ramírez, Arrate ; Gallastegui Ruiz de Gordoa, Gorka Javier (Elsevier, 2021-03)
Chemical scrubbing and biofiltration are well-established technologies for treating contaminated pollutants generated at wastewater treatment plants (WWTPs). Nevertheless, the growing need to reduce the ecological footprint ... -
A Green Approach towards Native Collagen Scaffolds: Environmental and Physicochemical Assessment
Andonegui San Martín, Mireia; Irastorza, Ainhoa; Izeta Permisán, Ander ; Cabezudo Maeso, Sara; De la Caba Ciriza, María Coro ; Guerrero Manso, Pedro Manuel (MDPI, 2020-07-18)
Native collagen scaffolds were prepared in this work, in which both materials and environmental approaches were considered with the aim of providing a global strategy towards more sustainable biomaterials. From the ... -
A Holistic Approach to Integrate and Evaluate Sustainable Development in Higher Education. The Case Study of the University of the Basque Country
Sáez de Cámara Oleaga, Estibaliz; Fernández Fernández, Idoia Begoña ; (MDPI, 2021-01-04)
Since the United Nations (UN) approved the Agenda 2030 for Sustainable Development in 2015, higher education institutions have increasingly demonstrated their commitment by supporting several initiatives. Although a great ... -
A Preliminary Study on the Use of Highly Aromatic Pyrolysis Oils Coming from Plastic Waste as Alternative Liquid Fuels
; ; ; ; ; ; ; ; López Urionabarrenechea, Alexander (MDPI, 2023-09-20)
In this work, the low-temperature pyrolysis of a real plastic mixture sample collected at a WEEE-authorised recycling facility has been investigated. The sample was pyrolysed in a batch reactor in different temperature and ... -
A probabilistic model and capturing device for remote simultaneous estimation of spectral emissivity and temperature of hot emissive materials
Picón Ruiz, Artzai; ; ; López, Gabriel Alejandro ; (Institute of Electrical and Electronics Engineers, 2021-07-12)
[EN] Estimating the temperature of hot emissive samples (e.g. liquid slag) in the context of harsh industrial environments such as steelmaking plants is a crucial yet challenging task, which is typically addressed by ... -
A six-lump kinetic model for HDPE/VGO blend hydrocracking
; ; ; ; ; Arandes Esteban, José María; Gutiérrez Lorenzo, Alazne (Elsevier, 2023-02)
A six lump-based kinetic model has been developed for the hydrocracking of high-density polyethylene (HDPE) blended with vacuum gas oil (VGO) over a PtPd/HY zeolite catalyst. The blend (20 wt% HDPE and 80 wt% VGO) has been ... -
Acid Hydrolysis of Almond Shells in a Biphasic Reaction System: Obtaining of Purified Hemicellulosic Monosaccharides in a Single Step
(Elsevier, 2021-05-21)The aim of this work is to comprehend the biphasic reaction systems through another perspective; the simultaneous purification and production of carbohydrates during the pretreatment of biomass. A dilute acid hydrolysis ... -
Activity and stability of different Fe loaded primary catalysts for tar elimination
Cortázar Dueñas, María; ; ; Santamaría Moreno, Laura ; López Zabalbeitia, Gartzen ; ; ; Olazar Aurrecoechea, Martin (Elsevier, 2022-06)
[EN] The performance of olivine, dolomite and gamma-alumina primary catalysts was evaluated in the continuous tar elimination process in which toluene was selected as the biomass gasification tar model compound. Iron was ... -
Advanced and traditional processing of thermoplastic polyurethane waste
(Elsevier, 2022-04)In this work different ways to valorise discarded ear tags made of TPU from livestock sector were studied. This singular residue does not require separation from other plastics like other industrial and urbane wastes, which ... -
Advances in Waterborne Polyurethane and Polyurethane-Urea Dispersions and Their Eco-friendly Derivatives: A Review
(MDPI, 2021-01-27)Polyurethanes and polyurethane-ureas, particularly their water-based dispersions, have gained relevance as an extremely versatile area based on environmentally friendly approaches. The evolution of their synthesis methods, ... -
An Alternative Approach for the Incorporation of Cellulose Nanocrystals in Flexible Polyurethane Foams Based On Renewably Sourced Polyols
(Elsevier, 2016-11-16)Este trabajo analiza tanto el efecto de los nanocristales de celulosa en las propiedades finales de espumas flexibles de poliuretano basadas en castor oil y maíz, sino que además se realiza un análisis en profundidad sobre ... -
Analysis of multivariate stochastic signals sampled by on-line particle analyzers: Application to the quantitative assessment of occupational exposure to NOAA in multisource industrial scenarios (MSIS)
(IOP Publishing, 2015)In multisource industrial scenarios (MSIS) coexist NOAA generating activities with other productive sources of airborne particles, such as parallel processes of manufacturing or electrical and diesel machinery. A distinctive ... -
Analysis of summer O3 in the Madrid air basin with the LOTOS-EUROS chemical transport model
Escudero, Miguel; Segers, Arjo; Kranenburg, Richard; Querol, Xavier; Alastuey, Andrés; Borge, Rafael; De la Paz, David; Gangoiti Bengoa, Gotzon; Schaap, Martijn (Copernicus, 2019-11)
Tropospheric O-3 remains a major air-quality issue in the Mediterranean region. The combination of large anthropogenic emissions of precursors, transboundary contributions, a warm and dry aestival climate, and topographical ...