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Browsing by Subject "Biodegradation"

Now showing items 1-20 of 27

Anticipating the impact of pitfalls in kinetic biodegradation parameter estimation from substrate depletion curves of organic pollutants

Escuder-Gilabert, Laura; Martin-Biosca, Y.; Sagrado Vives, Salvador; Medina-Hernández, M.J. (Elsevier, 2019-09)

[EN] Accurate and reliable estimation of kinetic parameters of pollutant biodegradation processes is essential for environmental and health risk assessment. Common biodegradation models proposed in the literature, such as ...
Biodegradability and disintegration of multilayer starch films with electrospun PCL fibres encapsulating carvacrol

Tampau, Alina; González Martínez, María Consuelo; Chiralt Boix, Mª Amparo (Elsevier, 2020-03)

[EN] The biodegradation and disintegration of thermoplastic starch multilayers containing carvacrol(CA)-loaded poly-(epsilon-caprolactone) electrospun mats were evaluated under thermophilic composting conditions for 45 and ...
Biodegradable Antimicrobial Films for Food Packaging: Effect of Antimicrobials on Degradation

Hernandez-Garcia, Eva; Vargas, Maria; González Martínez, María Consuelo; Chiralt Boix, Mª Amparo (MDPI AG, 2021-06)

[EN] The environmental problem generated by the massive consumption of plastics makes necessary the developing of biodegradable antimicrobial materials that can extend food shelf-life without having a negative impact on ...
Biodegradación de films en medios acuáticos

Egea Doménech, Ana María (Universitat Politècnica de València, 2020-12-28)

[ES] Los plásticos suponen un problema medioambiental indiscutible en estos momentos, y por ello, se pueden encontrar cada vez más trabajos que analizan los procesos de desintegración y biodegradación de estos plásticos ...
Biodegradation of PLA-PHBV Blend Films as Affected by the Incorporation of Different Phenolic Acids

Hernandez-Garcia, Eva; Vargas, Maria; Chiralt Boix, Mª Amparo; González Martínez, María Consuelo (MDPI AG, 2022-01)

[EN] Films based on a 75:25 polylactic acid (PLA) and Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) blend, containing 2% (w/w) of different phenolic acids (ferulic, p-coumaric or protocatechuic acid), and plasticised ...
Biotic degradation of poly(DL-lactide) based nanocomposites

FUKUSHIMA, KEIKO; Giménez Torres, Enrique; Cabedo Mas, Luis; Lagaron Cabello, Jose Maria; Feijoo, José L. (Elsevier, 2012-08)

[EN] Amorphous PLA nanocomposites based on organic modified kaolinite (KAO) and montmorillonite (MONT) at 4 wt.% were prepared by melt blending and then biodegraded in compost. All materials showed effective degradation ...
Comportamiento de membranas porosas de poliuretanos basados en policaprolactona y polietilenglicol para aplicaciones biomédicas

Guerra Ojeda, Solanye Jacqueline (Universitat Politècnica de València, 2015-02-25)

[EN] Amphiphilic polyurethanes were synthesized from higth molecular eigth PEG and PCL diols as polymer segments and hexamethylene diisocyanate (HMDI) as binding agent. From these materials, biodegradable membranes were ...
Contribution to the study of thermal, biological and photo degradation of polylactide

Santonja Blasco, Laura (Universitat Politècnica de València, 2012-07-09)

El propósito de la presente tesis doctoral es estudiar el efecto de la degradación térmica, biológica y fotolítica en la polilactida (PLA) para contribuir a la caracterización de este polímero biodegradable bajo diferentes ...
Efecto de la incorporación de antimicrobianos en la biodegradación y compostaje de films activos para el envasado de alimentos

Alventosa Carbó, Javier (Universitat Politècnica de València, 2020-07-30)

[ES] El problema medioambiental generado por el consumo masivo de plásticos en el envasado de alimentos y la necesidad de envasado para garantizar su conservación, hace necesario el desarrollo de materiales biodegradables ...
Effect of limonene on anaerobic digestion of citrus waste and pretreatments for its improvement

RUIZ FUERTES, BEGOÑA (Universitat Politècnica de València, 2015-12-14)

[EN] Anaerobic digestion is a sustainable and technically sound way to valorise citrus waste if the inhibitory effect of the citrus essential oil (CEO) is controlled. Several strategies have been proposed to overcome these ...
Effect of temperature and air velocity on drying kinetics, antioxidant capacity, total phenolic content, colour, texture and microstructure of apple (var. Granny Smith) slices

Vega-Galvez, Antonio; Ah-Hen, Kong; Chacana, Marcelo; Vergara, Judith; Martínez Monzó, Javier; García Segovia, Purificación; Lemus Mondaca, Roberto; Di Scala, Karina Cecilia (Elsevier, 2012-05-01)

The aim of this work was to study the effect of temperature and air velocity on the drying kinetics and quality attributes of apple (var. Granny Smith) slices during drying. Experiments were conducted at 40, 60 and 80 °C, ...
Electrochemical treatment of a synthetic wastewater containing a sulphonated azo dye. Determination of naphthalenesulphonic compunds produced as main by-products

Del Río García, Ana Isabel; Fernández Sáez, Javier; Molina Puerto, Javier; Bonastre Cano, José Antonio; Cases Iborra, Francisco Javier (Elsevier, 2011-06-15)

The electrochemical treatment of wastewaters from textile industry is a promising technique for substances which are resistant to biodegradation. This paper deals with the electrochemical decolourisation/degradation of ...
Enhancement of the catalytic activity of supported gold nanoparticles for the fenton reaction by light

Navalón Oltra, Sergio; De Miguel de la Torre, Maykel; Martín González, Roberto; Alvaro Rodríguez, Maria Mercedes; García Gómez, Hermenegildo (American Chemical Society, 2011)

[EN] Laser flash photolysis of supported gold nanopar-ticles exciting at the surface plasmon band (532 nm) has allowed in the case of Au/CeO 2 and Au/OH-npD (OH-npD: Fenton-treated diamond nanoparticles) detection of ...
Envases alimentarios compostables basados en papel

Mendoza Tachong, Josselyn Gioconda (Universitat Politècnica de València, 2022-12-07)

[ES] En este Trabajo de fin de grado se ha realizado una revisión de los diferentes desarrollos que se están investigando para reducir el impacto ambiental para los alimentos perecederos. Se enfoca el estudio sobre aquellos ...
Estudio de la síntesis de polienaminonas y su impacto ambiental en términos de biodegradabilidad acuática, con su evaluación del ciclo de vida y gestión de residuos

Segarra Durán, Pablo (Universitat Politècnica de València, 2020-10-13)

[EN] The aim of the work was to study the synthesis of polyenaminones, polymers that are insoluble in water but with the ability to be chemically recycled. After overview of various pathways of synthesis, their environmental ...
Evaluación de extractos de Lentisco (Pistacia lentiscus) como fungicida

Lacruz Planes, Sofia (Universitat Politècnica de València, 2017-10-02)

[ES] El uso de fungicidas sintéticos, para el control en post-cosecha de frutas y verduras es la práctica más extendida durante el periodo de almacenamiento en cámaras. Un uso continuado del tratamiento químico puede ...
Evolution of chemical composition and gas emissions from aged pig slurry during outdoor storage with and without prior solid separation

Moset, V.; Cambra López, María; Estellés, F.; Torres Salvador, Antonio Germán; Cerisuelo, Alba (Elsevier, 2012-01)

Chemical composition and gas emissions from two types of pig slurry were evaluated: the liquid fraction of mechanical solid-liquid separated slurry (SS), and raw slurry (RS). The slurry was obtained at the end of a pig ...
Étude de la biodégradation de sacs à usage unique dédiés à la collecte de biodéchets

Esparza Galiana, Ana Alicia (Universitat Politècnica de València, 2022-10-06)

[ES] El presente trabajo se centra en la fracción orgánica de los residuos, es decir, los biorresiduos. Esta puede ser tratada mediante compostaje y/o metanización con el objetivo de obtener fertilizantes para la agricultura ...
Formulaciones industriales de ácido poliláctico con plastificantes de alto rendimiento medioambiental basados en diésteres del ácido tartático

Medina Casas, Martha Patricia (Universitat Politècnica de València, 2022-10-26)

[ES] El ácido poliláctico (PLA) ha ido ganando aplicaciones en diversos sectores industriales, debido a un buen equilibrio entre propiedades, coste y, fundamentalmente, como consecuencia de su origen renovable. No obstante, ...
Influence of substrate and temperature on the biodegradation of polyester-based materials: Polylactide and poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) as model cases

Gil-Castell, O.; Andres-Puche, R.; Dominguez, E.; Verdejo, E.; Monreal Mengual, Llucía; Ribes-Greus, A. (Elsevier, 2020-10)

[EN] The extended use of polymers from renewable resources such as aliphatic polyesters or polyhydroxyalkanoates boosted the necessity to understand their behaviour in an end-of-life scenario. Although they can be degraded ...