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José L. S. Pereira, Telma Costa, Vitor Figueiredo, Francisco Marques, Adelaide Perdigão, Isabel Brás, Maria E. F. Silva and Dulcineia F. Wessel
Composting is one of the best organic waste management techniques, with zero waste; however, it generates environmental impacts. The objective of this study was to evaluate the emission of NH3, N2O, CO2, and CH4 from the composting of olive, elderberry, ...
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Caroline Fritsch, Andreas Staebler, Anton Happel, Miguel Angel Cubero Márquez, Ingrid Aguiló-Aguayo, Maribel Abadias, Miriam Gallur, Ilaria Maria Cigognini, Angela Montanari, Maria Jose López, Francisca Suárez-Estrella, Nigel Brunton, Elisa Luengo, Laura Sisti, Maura Ferri and Gianluca Belotti
The vast and ever-growing amount of agricultural and food wastes has become a major concern throughout the whole world. Therefore, strategies for their processing and value-added reuse are needed to enable a sustainable utilization of feedstocks and redu...
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Tomislav Ivankovic, Mislav Kontek, Valentino Mihalic, Antonia Ressler and Vanja Jurisic
Improvement of anaerobic digestion reactors for biogas production.
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Juan C. Sanchez-Hernandez, Jose A. Sáez, Alberto Vico, Joaquín Moreno and Raúl Moral
The olive-oil industry generates large amounts of residues that, in the past, were accumulated in evaporating ponds in many Mediterranean countries. Currently, these open-air ponds pose a serious environmental hazard because of toxic chemicals that conce...
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Steam-explosion is a promising technology for recovering phenolic compounds from olive mill solid waste (OMSW) due to its high impact on the structure of the fibre. Moreover, the recovery of the phenols, which are well-known microbial inhibitors, could i...
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Mercedes del Río Merino, Javier Guijarro Rodríguez, Francisco Fernández Martínez, Jaime Santa Cruz Astorqui
Pág. 431 - 438
AbstractThis article presents the results of a research project which studies the feasibility of substituting -in cement mortars- the most commonly used lightweight aggregates in Spanish building constructions (i.e. expanded clay), by waste from the oliv...
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Felipe Gordillo, Oscar Candia, Alex R. Gonzalez, Paulina Pradel, Cecilia Cordero, Rodrigo Diaz, Rolando Garcia-Gonzalez
Pág. 84 - 90
Food manufacturing wastes, such as olive mill solid waste, tomato pomace and grape pomace are three wastes produced by food industries in the Region of Maule. One of the simplest strategies for the proper disposal of these residues is to directly...
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Mathhar Bdour, Mohammad Al-Addous, Michael Nelles and Andreas Ortwein
Biomass as a source of renewable energy is a promising solution for current problems in energy supply. Olive waste is considered as an interesting option, especially for Mediterranean countries. Within this paper, a microscale externally fired gas turbin...
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Ana Fernando, Sofia Monteiro, Filomena Pinto and Benilde Mendes
In this study, waste olive cake (OC) was utilized as the raw material for the production of biosorbents by chemical treatment and its adsorption capacity for zinc ion was evaluated. Tests were conducted with the total biomass (T) and with the fraction > ...
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Eleonora Cintura, Paulina Faria, Marta Duarte and Lina Nunes
Screening tests were developed or adapted from RILEM recommendations, standards and past studies, and carried out to characterize some agro-industrial wastes and to assess their feasibility as aggregates for eco-efficient building composites. Spent coffe...
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Rossella Cottone, Louena Shtrepi, Valentina Serra and Simonetta Lucia Pagliolico
The agricultural activity of pruning olive trees generates waste which, due to long-standing practices and unawareness of the consequences, are burned on site, thereby producing CO2 emissions in the atmosphere. Therefore, in order to prevent environmenta...
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Felipe Gordillo-Fuenzalida, Alex Echeverria-Vega, Sara Cuadros-Orellana, Claudia Faundez, Thilo Kähne and Rodrigo Morales-Vera
The cost of cellulase enzymes is a main contributor to the operational cost of a biorefinery producing ethanol from lignocellulosic material. Therefore, onsite production of enzymes using low-value substrates might be an option to make a bio-based facili...
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Teresa Rodríguez-Espinosa, Jose Navarro-Pedreño, Ignacio Gómez Lucas, María Belén Almendro Candel, Ana Pérez Gimeno and Antonis A. Zorpas
Member States of the European Union must ban burning arable stubble by 2023 and improve the recycling of organic waste into fertilizers and organic farming practices by 2030. The current lack of nutrients from soils and crops leads to food insecurity, hu...
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Antonios Chrysargyris, Panayiota Xylia and Nikolaos Tzortzakis
The intensive cultivation of olive trees and grapevines in the Mediterranean region not only results in large yields but also generate wastes, with high restrictions on their impact on people?s well-being and the environment. The current study sought to ...
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Nuno Rodrigues, Catarina Oliveira, Susana Casal, José Alberto Pereira and Elsa Ramalhosa
This ingredient will use the surplus of table olive fruits that do not have the characteristics to be marketed, such as fruits with no commercial size or containing some visual defects. In this way, these fruits can be valued through flour production. Th...
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Marta Barón-Yusty, Ginés Benito Martínez-Hernández, María Ros-Chumillas, Laura Navarro-Segura and Antonio López-Gómez
(1) Background: New clean technologies are needed to reduce the high frying oil waste in the food industry of fried breaded products, together with the obtention of healthier (less fat content) and safer (less microbial growth and acrylamide formation) b...
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Leonel J. R. Nunes, Liliana M. E. F. Loureiro, Letícia C. R. Sá and Hugo F. C. Silva
Agroforestry waste stores a considerable amount of energy that can be used. Portugal has great potential to produce bioenergy. The waste generated during agricultural production and forestry operation processes can be used for energy generation, and it c...
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Marianna Dedousi, Valentina Mamoudaki, Spyros Grigorakis and Dimitris P. Makris
Olive leaves (OLL) represent a major waste generated during the production of olive oil, but there is a great potential for their valorization, because they provide important content in polyphenolic phytochemicals, which possess several bioactivities. In...
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Giuseppina Iacomino, Mohamed Idbella, Alessia Staropoli, Bruno Nanni, Tomaso Bertoli, Francesco Vinale and Giuliano Bonanomi
Wood vinegar is a by-product of the pyrolysis of organic raw materials. In this study, we investigated the chemical composition and biological activity of industrial wood vinegar derived from the pyrolysis of wood pruning waste. The composition of wood v...
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Leonel J. R. Nunes
The use of biomass as a renewable energy source is currently a reality, mainly due to the role it can play in replacing fossil energy sources. Within this possibility, coal substitution in the production of electric energy presents itself as a strong alt...
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