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Listar por palabra clave "Waste valorization"

Mostrando ítems 1-20 de 31

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Alginate industrial waste streams as a promising source of value-added compounds valorization

Bojorges, Hylenne; Fabra, Maria José; López-Rubio, Amparo; Martínez-Abad, Antonio (Elsevier, 2022-09-10)

[EN] The alginate industry processes more than hundred thousand tons per year of algae in Europe, discarding around 80% of the algae biomass as different solid/liquid residual streams. In this work, Saccharina latissima ...
Application of soluble bio-organic substances (SBO) as photocatalysts for wastewater treatment: Sensitizing effect and photo-Fenton-like process

Gomis Vicens, Juan; Vercher Pérez, Rosa Francisca; Amat Payá, Ana María; Martire, D. O.; Gonzalez, M. C.; Prevot, A. B.; Montoneri, E.; Arques Sanz, Antonio; Carlos, L. (Elsevier, 2013-06)

Soluble bio-organic substances (SBO) isolated from urban biorefuses have been investigated in photocatalytic processes for wastewater treatment using a cationic dye, namely crystal violet (CV) as target compound. The SBO ...
Blending of industrial waste from different sources as partial substitution of portland cement in pastes and mortars

Baeza, F.; Paya Bernabeu, Jorge Juan; Galao Malo, Oscar; Saval, J.M.; Garcés, Pedro (Elsevier, 2014-09)

Binary and ternary combinations of sewage sludge ash (SSA) with marble dust (MD), fly ash (FA) and rice husk ash (RHA) as replacement in Portland cement pastes, were assessed. Several tests were carried out at different ...
Blends of Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate) with Fruit Pulp Biowaste Derived Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate-co-3-Hydroxyhexanoate) for Organic Recycling Food Packaging

Melendez-Rodriguez, Beatriz; Torres-Giner, S.; Reis, Maria A. M.; Silva, Fernando; Matos, Mariana; Cabedo, Luis; Lagarón, José María (MDPI AG, 2021-04)

[EN] In the present study, a new poly(3-hydroxybutyrate-co-3-hydroxyvalerate-co-3-hydroxyhexanoate) [P(3HB-co-3HV-co-3HHx)] terpolyester with approximately 68 mol% of 3-hydroxybutyrate (3HB), 17 mol% of 3-hydroxyvalerate ...
Cálculo de la huella de carbono de un proceso de compostaje en Valencia

March Ballester, Vicente (Universitat Politècnica de València, 2024-11-01)

[ES] El cambio climático es un problema de interés general y que afecta de manera global a toda la sociedad del planeta. Asimismo, la generación de residuos, y consigo la gestión de estos constituyen una casuística de gran ...
Compatibilization of highly sustainable polylactide/almond shell flour composites by reactive extrusion with maleinized linseed oil

Quiles-Carrillo, Luis; Montanes, Nestor; Sammon, C.; Balart, Rafael; Torres-Giner, S. (Elsevier, 2018-01)

[EN] Highly sustainable composites were produced by melt compounding polylactide (PLA) with almond shell flour (ASF), a processed by-product of the food industry, at a constant weight content of 30 wt.-%. However, due to ...
Development and Characterization of Monolayers and Multilayers Based on Biodegradable Materials Derived from Waste and By-products of Interest in Food Packaging

Meléndez Rodríguez, Beatriz (Universitat Politècnica de València, 2022-07-21)

[ES] La producción y consumo de plásticos derivados de petróleo ha crecido exponencialmente en las últimas décadas, impactando en la naturaleza y los seres vivos. Los envases alimentarios son considerados la principal ...
Development of Sustainable and Cost-Competitive Injection-Molded Pieces of Partially Bio-Based Polyethylene Terephthalate through the Valorization of Cotton Textile Waste

Montava-Jordà, Sergi; Torres-Giner, S.; Ferrándiz Bou, Santiago; Quiles-Carrillo, Luis; Montanes, Nestor (MDPI AG, 2019-03-19)

[EN] This study presents the valorization of cotton waste from the textile industry for the development of sustainable and cost-competitive biopolymer composites. The as-received linter of recycled cotton was first chopped ...
Diseño de una planta de valorización de alpechín para la producción de nanopartículas hierro zero valente encapsuladas en carbono

Martínez Aliaga, Andrés (Universitat Politècnica de València, 2021-02-22)

[ES] En el presente proyecto se presenta el diseño de una planta de valorización de alpechín mediante un proceso de carbonización hidrotermal para la producción de nanopartículas hierro cero valente encapsuladas en carbono. ...
Effect of tray dryer’s independent variables (drying temperature and air velocity) on the quality of olive pomace and system’s energy efficiency

Baysan, Ulaş; Koç, Mehmet; Güngör, A.; Kaymak-Ertekin, Figen (Editorial Universitat Politècnica de València, 2018-09-07)

[EN] In this study, the effects of drying temperature (70, 80, 90°C) and air velocity (0.5, 1.8 m/s) of hot air drying (tray drying) on quality of dried 2-phase olive pomace and system’s energy efficiency were investigated. ...
Enhanced Interfacial Adhesion of Polylactide/Poly(e-caprolactone)/Walnut Shell Flour Composites by Reactive Extrusion with Maleinized Linseed Oil

Montava-Jordà, Sergi; Quiles-Carrillo, Luis; Richart, Nuria; Torres-Giner, Sergio; Montanes, Nestor (MDPI AG, 2019-05)

[EN] Novel green composites were prepared by melt compounding a binary blend of polylactide (PLA) and poly("-caprolactone) (PCL) at 4/1 (wt/wt) with particles of walnut shell flour (WSF) in the 10¿40 wt % range, which were ...
Evaluation of Persimmon (Diospyros kaki Thunb. cv. Rojo Brillante) Industrial Residue as a Source for Value Added Products

Conesa, Claudia; Laguarda-Miro, Nicolas; Fito, Pedro; Seguí Gil, Lucía (Springer-Verlag, 2020-07)

[EN] Purpose To evaluate the potential of the industrial waste of Rojo Brillante persimmon as a source for value-added products. The antioxidant compounds present in persimmon industrial waste (peel and calyx) and the ...
Evaluation of the Pozzolanic Activity of Uncontrolled-Combusted Sewage Sludge Ash

Istuque, Danilo Bordan; Reig, Lucia; Soriano Martinez, Lourdes; Borrachero Rosado, María Victoria; Pinheiro Melges, Jose Luiz; Akasaki, Jorge Luis; Paya Bernabeu, Jorge Juan; Tashima, Mauro Mitsuuchi (American Society of Civil Engineers, 2021-06-01)

[EN] Waste management is a crucial issue facing modern society. The generation of sewage sludge is increasing annually due to the urbanization and improvement of sanitation systems of cities. The construction sector has ...
Geopolymer eco-cellular concrete (GECC) based on fluid catalytic cracking catalyst residue (FCC) with addition of recycled aluminium foil powder

Font-Pérez, Alba; Borrachero Rosado, María Victoria; Soriano Martínez, Lourdes; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan (Elsevier, 2017)

[EN] This study presents a new cellular concrete design focused on the energy eco-efficiency and the sustainability concept: geopolymer eco-cellular concrete (GECC). Geopolymer systems made from alkali-activated fluid ...
Injection-molded parts of fully bio-based polyamide 1010 strengthened with waste derived slate fibers pretreated with glycidyl- and amino-silane coupling agents

Quiles-Carrillo, Luis; Boronat, Teodomiro; Montanes, Nestor; Balart, Rafael; Torres-Giner, Sergio (Elsevier, 2019-08)

[EN] Fully bio-based polyamide 1010 (PA1010) was melt-compounded with 15 wt% of slate fibers (SFs), which were obtained from wastes of the tile industry, and the resultant composites were shaped into parts by injection ...
Manufacturing and Characterization of Green Composites with Partially Biobased Epoxy Resin and Flaxseed Flour Wastes

Lascano-Aimacaña, Diego Sebastián; Garcia-Garcia, Daniel; Rojas-Lema, Sandra Paola; Quiles-Carrillo, Luis; Balart, Rafael; Boronat, Teodomiro (MDPI AG, 2020-06)

[EN] In the present work, green¿composites from a partially biobased epoxy resin (BioEP) reinforced with lignocellulosic particles, obtained from flax industry by¿products or wastes, have been manufactured by casting. In ...
Obtención de ingredientes en polvo a partir de tallos de brócoli. Estudio de las etapas de fermentación y secado, y respuesta a la digestión simulada in vitro

Paredes Ortega, Paloma (Universitat Politècnica de València, 2023-09-06)

[ES] La transformación de frutas y hortalizas genera residuos y destríos en cantidades muy elevadas, lo que constituye un problema para las empresas debido a la necesidad de gestionarlos. La reintroducción de estos productos ...
On the use of acrylated epoxidized soybean oil as a reactive compatibilizer in injection-molded compostable pieces consisting of polylactide filled with orange peel flour

Quiles-Carrillo, Luis; Montanes, Nestor; Lagaron, Jose Maria; Balart, Rafael; Torres-Giner, Sergio (John Wiley & Sons, 2018-10)

[EN] In the present study, novel green composites made of polylactide (PLA) and orange peel flour (OPF) were melt compounded by twin¿screw extrusion (TSE) and shaped into pieces by injection molding. Orange peel, a large ...
Portland cement systems with addition of sewage sludge ash. Application in concretes for the manufacture of blocks

Baeza-Brotons, Francisco; Garces, Pedro; Paya, Jordi; Saval, José Miguel (Elsevier, 2014-11)

This study analyzes the viability of using sewage sludge ash (SSA) as a raw material in the composition of concrete, with a similar dosage to when it is used to manufacture blocks, therefore, with dry consistency given the ...
Production of Polyhydroxyalkanoates for Biodegradable Food Packaging Applications Using Haloferax mediterranei and Agrifood Wastes

Atarés Huerta, Lorena María; Chiralt, Amparo; González Martínez, María Consuelo; Vargas, Maria (MDPI AG, 2024-03)

[EN] Polyhydroxyalkanoates (PHAs) are high-value biodegradable polyesters with thermoplastic properties used in the manufacturing of different products such as packaging films. PHAs have gained much attention from researchers ...