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Browsing Recerca by Author "Ponsá Salas, Sergio"

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Biomass fuel production from cellulosic sludge through biodrying: Aeration strategies, quality of end-products, gaseous emissions and techno-economic assessment

Guerra Gorostegui, Nagore; González, Daniel; Puyuelo Sánchez, Belén; Ovejero García, Jonatan; Colón Jordà, Joan; Gabriel, David; Sánchez, Antoni; Ponsá Salas, Sergio (Elsevier, 2021)

This study assesses the technological, environmental and economic feasibility of biodrying to valorise cellulosic sludge as a renewable energy source. Specifically, three different aeration strategies were compared in terms ...
Brewer’s spent grain as a no-cost substrate for polyhydroxyalkanoates production: assessment of pretreatment strategies and different bacterial strains

Corchado-Lopo, Carlos; Martínez-Avila, Oscar; Marti Serrano, Elisabet; Llimós Turet, Jordi; Busquets Monsó, Anna M.; Kucera, Dan; Obruca, Stanislav; Llenas, Laia; Ponsá Salas, Sergio (Elsevier, 2021)

Polyhydroxyalkanoates (PHAs) are polyesters of significant interest due to their biodegradability and properties similar to petroleum-derived plastics, as well as the fact that they can be produced from renewable sources ...
Brewer’s spent grain biotransformation to produce lignocellulolytic enzymes and polyhydroxyalkanoates in a two-stage valorization scheme

Llimós Turet, Jordi; Martínez-Avila, Oscar; Marti Serrano, Elisabet; Corchado-Lopo, Carlos; Llenas, Laia; Ponsá Salas, Sergio; Gea Leiva, Teresa (Springer, 2020)

Lignocellulolytic enzymes from low-cost sources are gaining attention as a tool to reduce production costs. Such enzymes can be obtained sustainably by diverse fungal strains via solid-state fermentation (SSF) of ...
CalcPEFDairy: A Product Environmental Footprint compliant tool for a tailored assessment of raw milk and dairy products

Egas Galarza, Daniel Francisco; Ponsá Salas, Sergio; Colón Jordà, Joan (Elsevier, 04-2020)

A compliant tool (CalcPEFDairy) to determine the Product Environmental Footprint (PEF) of Dairy products has been developed following the Product Environmental Footprint Category Rules (PEFCR) v.6.3 guidance and the 2018 ...
Chloride and sulphate toxicity to Hydropsyche exocellata (Trichoptera, Hydropsychidae): Exploring intraspecific variation and sub-lethal endpoints

Sala, Miquel; Faria, Melissa; Sarasúa, Ignacio; Barata, Carlos; Bonada, Núria; Brucet Balmaña, Sandra; Llenas, Laia; Ponsá Salas, Sergio; Prat, Narcís; Soares, Amadeu M.V.M.; Cañedo-Argüelles, Miguel (Elsevier, 2016)

The rivers and streams of theworld are becoming saltier due to human activities. In spite of the potential damage that salt pollution can cause on freshwater ecosystems, this is an issue that is currently poorly managed. ...
Efecto de la fertilización con purín de cerdo en sistemas de doble cultivo en secanos subhúmedos del noreste de Cataluña

Ovejero García, Jonatan (31-03-2017)

La producción intensiva de cerdos se ha desarrollado significativamente en muchas áreas de Europa en las últimas décadas. En estas zonas se genera gran cantidad de deyecciones ganaderas que pueden ser utilizadas directamente ...
Effects of an hypersaline effluent from an abandoned potash mine on freshwater biofilm and diatom communities

Vendrell Puigmitjà, Lidia; Llenas, Laia; Proia, Lorenzo; Ponsá Salas, Sergio; Espinosa, Carme; Moirin, Soizic; Abril, Meritxell (Elsevier, 2020)

Potash abandoned mines cause severe environmental damage to their bordering environment, with significant impacts on freshwater ecosystems mostly through uncontrolled discharge of hypersaline effluents. This study aimed ...
Effects of potash mining on river ecosystems: An experimental study

Cañedo-Argüelles, Miguel; Carrasco, Sergi; Flor-Arnau, Núria; Ordeix i Rigo, Marc; Ponsá Salas, Sergio; Coring, Eckhard; Brucet Balmaña, Sandra (Elsevier, 2017)

In spite of being a widespread activity causing the salinization of rivers worldwide, the impact of potash mining on river ecosystems is poorly understood. Here we used a mesocosm approach to test the effects of a salt ...
Effects of the interaction between nutrient concentration and DIN:SRP ratio on geosmin production by freshwater biofilms

Espinosa, Carme; Abril, Meritxell; Ponsá Salas, Sergio; Ricart, Marta; Vendrell Puigmitjà, Lidia; Ordeix i Rigo, Marc; Llenas, Laia; Proia, Lorenzo (Elsevier, 2021)

The global increase of cyanobacterial blooms occurrence has been associated with the presence of compounds that generate earthy and musty odour in freshwater systems, among which geosmin stands out. The lack of information ...
Evaluation of Pre-treatments of Brewery’s Spent Grain for Growing Bacteria in the Production of Polyhydroxyalkanoates

Mendez, Daniel A.; Marti Serrano, Elisabet; Puyuelo Sánchez, Belén; Colón Jordà, Joan; Ponsá Salas, Sergio (AIDIC, 2018)

A suitable solution to solve the problems related to the conventional plastics is their replacement by biodegradable materials with similar properties such as polyhydroxyalkanoates (PHAs). PHAs ...
Filling in sewage sludge biodrying gaps: Greenhouse gases, volatile organic compounds and odour emissions

González, Daniel; Guerra Gorostegui, Nagore; Colón Jordà, Joan; Gabriel, David; Ponsá Salas, Sergio; Sánchez, Antoni (Elsevier, 2019)

In the present work, a complete study of the sewage sludge (SS) biodrying technology was conducted at benchscale, aiming at assessing its performance and providing a valuable insight into the different gaseous emission patterns ...
Implementation of the Product Environmental Footprint Category Rules for dairy products: An approach to assess nitrogen emissions in a mass balanced dairy farm system

Egas Galarza, Daniel Francisco; Vasilaki, V.; Katsou, E.; Stanchev, P.; Ponsá Salas, Sergio; Colón Jordà, Joan (Elsevier, 04-2019)

Following the Single Market for Green Products, the European Commission released the Product Environmental Footprint Category Rules for Dairy Products (PEFCR-D). According to the PEFCR-D, nitrogen (N) emissions must be ...
Integrated solid-state enzymatic hydrolysis and solid-state fermentation for producing sustainable polyhydroxyalkanoates from low-cost agro-industrial residues

Martínez-Avila, Oscar; Llimós Turet, Jordi; Ponsá Salas, Sergio (Elsevier, 2021)

Polyhydroxyalkanoates (PHA) are biodegradable bioplastics of interest as potential substitutes of petroleum-derived plastics that can be produced starting from lignocellulosic-derived residues. This study presents the ...
Lignocellulolytic enzymes production via Solid-State Fermentation of agroindustrial residues: process optimization and application

Llimós Turet, Jordi (Universitat de Vic - Universitat Central de Catalunya, 03-03-2022)

Aquesta tesis esta enfocada en la valorització de residus agroindustrials mitjançant la utilització de la fermentació en estat sòlid per a la producció enzimàtica. Aquest estudi es troba emmarcat dins el projecte Valorització ...
Multilevel environmental assessment of the anaerobic treatment of dairy processing effluents in the context of circular economy

Stanchev, P.; Vasilaki, V.; Egas Galarza, Daniel Francisco; Colón Jordà, Joan; Ponsá Salas, Sergio; Katsou, E. (Elsevier, 2020)

The capability of Anaerobic Digestion (AD) in minimising waste and retaining the value of materials and energy within the biological and technical cycles in the Dairy Industry (DI) makes AD a critical instrument of transition ...
Municipal solid waste management and waste-to-energy in the context of a circular economy and energy recycling in Europe

Malinauskaite, J.; Jouhara, H.; Czajczy nska, D; Stanchev, P.; Katsou, E.; Rostkowski, P.; Thorne, R.J.; Colón Jordà, Joan; Ponsá Salas, Sergio; Al-Mansour, F.; Anguilano, L.; Krzyzynska, R.; López, I.C.; Vlasopoulos, A.; Spencer, N. (Elsevier Ltd., 2017)

This paper proposes an overarching review of national municipal waste management systems and waste- to-energy as an important part of it in the context of circular economy in the selected countries in Europe. The growth ...
Mutiple valorization pathways to recover high value resources from dairy wastewater and beyond

Binder, Pablo Martín (Universitat de Vic - Universitat Central de Catalunya, 02-02-2024)

El creixement de la població preveu un augment de la demanda de matèries primeres i energia, exacerbant les deficiències del model d'economia linear. L'economia circular emergeix com una alternativa, emfatitzant la recuperació ...
Obtaining new-generation biomass fuels and bio-based fertilisers from sludges through biodrying and advanced composting technologies to enhance the overall resource recovery of the water sector

Guerra Gorostegui, Nagore (Universitat de Vic - Universitat Central de Catalunya, 04-02-2022)

En el context de l'actual pla d'acció europeu d'economia circular, els fangs de depuradora presenten un potencial com a font de nutrients i d'energia. A causa d'algunes limitacions tècniques, ambientals i/o econòmiques de ...
Optimising the environmental sustainability of the dairy industry

Egas Galarza, Daniel Francisco (Universitat de Vic - Universitat Central de Catalunya, 22-01-2021)

Els resultats d'aquesta tesi van demostrar que és possible una avaluació i millora ambiental constant dels sistemes lactis mitjançant l'ús d'eines especialitzades com CalcPEFDairy, auditories energètiques i indicadors ...
Pig slurry fertilization in a double-annual cropping forage system under sub-humid mediterranean conditions

Ovejero García, Jonatan; Ortiz, C.; Boixadera, J.; Serra Jubany, Xavier; Ponsá Salas, Sergio; Lloveras, J.; Casas i Arcarons, M. Carme (Maria Carme) (Elsevier, 2016)

In areas of Southern Europe with very intensive pig production, most of the pig slurry (PS) is applied asfertilizer. However, in the European Union, no more than 170 kg N ha−1year−1can be applied in nitratevulnerable zones ...

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