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Browsing by Subject "Circular economy"
Now showing items 1-9 of 9
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Circular economy: comparative life cycle assessment of fossil polyethylene terephthalate (PET)and its recycled and bio-based counterparts
Rybaczewska-Błazejowska, Magdalena; Mena Nieto, Ángel Isidro
(POLISH ACADEMY OF SCIENCES, 2020-12-31)
The transition to circular economy requires diversifying material sources, improving secondary raw materials management, including recycling, and finally finding sustainable alternative materials. Both recycled and bio-based ... -
Eco-Friendly Oleogels from Functionalized Kraft Lignin with Laccase SilA from Streptomyces ipomoeae: An Opportunity to Replace Commercial Lubricants
Domínguez, Gabriela; Blánquez, Alba; Borrero López, Antonio María; Valencia Barragán, Concepción; Eugenio, María Eugenia; Arias, María Enriqueta; Rodríguez, Juana; Hernández, Manuel (American Chemical Society, 2021)
This work demonstrates the usefulness of SilA laccase from Streptomyces ipomoeae to functionalize Kraft lignin to be used as a thickener in the preparation of biodegradable oleogels for lubricating purposes. First, ... -
Immobilization of Hazardous Wastes on One-Part Blast Furnace Slag-Based Geopolymers
Paz Gómez, Daniela Carolina; Silveirinha Vilarinho, Inês; Pérez Moreno, Silvia María; Carvalheiras, João; Guerrero Márquez, José Luis; Miguel Novais, Rui; Seabra, Maria Paula; Ríos Ransanz, Guillermo; Bolívar Raya, Juan Pedro; Labrincha, João António (MDPI, 2021)
: The immobilization of hazardous wastes in ordinary Portland cement (OPC)-based materials has been widely studied and implemented. OPC-based materials have a high carbon footprint associated with their production and ... -
Life cycle assessment of management/valorisation practices for metal-sludge from treatment of acid mine drainage
Moreno González, Raúl; Macías Suárez, Francisco; Meyer, Andreas; Schneider, Petra; Nieto Liñán, José Miguel; Olías Álvarez, Manuel; Ruiz Cánovas, Carlos (Elsevier, 2023)
The treatment of acid mine drainage in sulphide mining generates large amounts of metal-rich sludge whose management suppose an environmental quandary worldwide. Although traditional practices have focused on safe disposal ... -
Phosphogypsum circular economy considerations: A critical review from more than 65 storage sites worldwide
Bilal, Essaid; Ruiz Cánovas, Carlos; Nieto Liñán, José Miguel; Haneklaus, Nils (Elsevier, 2023-05)
Nearly 300 million t of phosphogypsum (PG) are produced every year as a byproduct from phosphate fertilizer production worldwide. Approximately 58% of the PG are stacked, 28% are discharged in coastal waters and only 14% ... -
Reutilisation of Water Contaminated by Mining Waste for the Encapsulation of Potentially Toxic Elements
(MDPI, 2022)Mining activities are essential for a population’s development; however, they also produce negative effects such as the production of waste, an impact on flora and water pollution. On the other hand, construction is one ... -
The circular economy and the optimal recycling rate: A macroeconomic approach
(Elsevier, 2022)This paper studies the economic implications of the circular economy and recycling activities from a macroeconomic perspective. The paper incorporates the circular economy into an otherwise standard neoclassical dynamic ... -
The new face of the tourism industry under a circular economy
Vargas Sánchez, Alfonso (Emerald, 2021)
Purpose – The purpose of this paper is to reflect on the evolution of the tourism ecosystem within a circular economy, considering relevant factors that influence the transition towards the circular economy model. ... -
Traperos de Emaús : economía circular… y solidaria
(Universidad de Huelva, 2018)La experiencia de Traperos en Huelva -el grupo más meridional de Emaús Europa- es un ejemplo de lo que puede suponer la Economía Circular. Una historia que surge desde la necesidad y el encuentro colectivo: un grupo de ...
