Browsing by Author "Labidi, Jalel"
Now showing items 81-100 of 114
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Optimization of Ultrasound Assisted Extraction of Bioactive Compounds from Apple Pomace
Egüés Artola, Itziar; Hernández Ramos, Fabio ; Rivilla de la Cruz, Iván ; Labidi Bouchrika, Jalel (MDPI, 2021-06-22)In the present work, the optimization of the extraction of antioxidant compounds from apple pomace using ultrasound technology as an environmentally friendly and intensification process was developed. Different sonication ... -
Physicochemical Characterization of Phase Change Materials for Industrial Waste Heat Recovery Applications
Fernández Díaz-Carralero, Ángel Gabriel; González Fernández, Luis; Grosu, Yaroslav; Labidi Bouchrika, Jalel (MDPI, 2022-05-16)The recovery and storage of process heat in industrial applications are some of the key factors to improve the sustainability and reliability of high temperature applications. In this sense, one of the main drawbacks is ... -
Physicochemical properties of PLA lignin blends
Gordobil Goñi, Oihana; Egüés Artola, Itziar; Llano-Ponte Alvarez, Rodrigo Manuel; Labidi Bouchrika, Jalel (2014-01-12)Commercial alkali lignin (CL) and lignin extracted from almond shells by organosolv process (OL) were used for the preparation of blends with poly(lactic acid) (PLA) with different percentages (0.5, 1, 5, 10 and 20%) by ... -
Pistacia vera L. leaves as a renewable source of bioactive compounds via microwave assisted extraction
Elakremi, Manel; Sillero Ortigosa, Leyre; Ayed, Lazher; ben Mosbah, Mongi; Labidi Bouchrika, Jalel; ben Salem, Ridha; Moussaoui, Younes (Elsevier, 2022-10)The production of pistachio in Tunisia generates a large amount of potentially valuable waste, such as leaves, that could be used as source of bioactive compounds. In this work, the extraction of phytochemicals from Pistacia ... -
Poliuretanozko-itsasgarrien sintesia ligninan oinarritutako biopoliolak erabiliz
Cada vez hay más patógenos resistentes ante agentes antimicrobianos. Por ello, es indispensable desarrollar nuevas estrategias para hacer frente a este problema. Una estrategia interesante es la de combinar fármacos con ... -
Polyvinylidene fluoride supported phase change material fibers fabricated via emulsion jet injection method
Durán, Mikel; Serrano, Ángel; Nikulin, Artem; Dauvergne, Jean-Luc; Labidi Bouchrika, Jalel; Palomo del Barrio, Elena (Elsevier, 2024-04)The manufacture of fibers with thermoregulatory properties is generating increasing interest, given the ease with which these materials can be adapted to different geometries and applications such as the production of ... -
Preparation of chitosan/tannin and montmorillonite films as adsorbents for Methyl Orange dye removal
Tahari, Nadia; De Hoyos Martínez, Pedro Luis; Izaguirre Aróstegui, Nagore; Houwaida, Nefzi; Abderrabba, Manef; Ayadi, Sameh; Labidi Bouchrika, Jalel (Elsevier, 2022-06-15)A series of novel chitosan/tannin/montmorillonite (Cs/Tn/MMT) films were synthesised by loading different (from 0.2 to 0.5wt%) and MMT (from 0.5 to 1.5wt%) ratios, to be used as promising low-cost biosorbents for methyl ... -
Preparation of Filter Paper from Bamboo and Investigating the Effect of Additives
Karchangi, Zahra Kazemi; Nazarnezhad, Noureddin; Labidi, Jalel; Sharifi, Seyed Hassan (MDPI, 2024-04-24)As air pollution escalates, the need for air filters increases. It is better that the filters used be based on natural fibers, such as non-wood fibers, which cause low damage to the environment. However, the short fiber ... -
Production and Properties of Lignin Nanoparticles from Ethanol Organosolv Liquors-Influence of Origin and Pretreatment Conditions
Adamcyk, Johannes; Beisl, Stefan; Amini, Samaneh; Jung, Thomas; Zikeli, Florian; Labidi Bouchrika, Jalel; Friedl, Anton (MDPI, 2021-01-26)Despite major efforts in recent years, lignin as an abundant biopolymer is still underutilized in material applications. The production of lignin nanoparticles with improved properties through a high specific surface area ... -
Recovery of Bioactive Compounds from Hazelnuts and Walnuts Shells: Quantitative–Qualitative Analysis and Chromatographic Purification
Herrera Díaz, René ; Hemming, Jarl; Smeds, Annika; Gordobil Goñi, Oihana; Willför, Stefan; Labidi Bouchrika, Jalel (MDPI, 2020-09-24)Hazelnut (HS) and walnut (WS) shells, an abundant by-product of the processing industries of these edible nuts, are traditionally considered as a low-value waste. However, they are a source of valuable compounds with an ... -
Refuerzos celulósicos procedentes de residuos agrícolas. Aplicación de la nanocelulosa en la preparación de biocomposites biodegradables
Montes Pérez, Sara (2020-11-13)La biomasa lignocelulósica, es especial aquella procedente de residuos agrícolas, constituye una fuente prometedora de energía y de materias primas renovables. La celulosa, uno de los principales componentes de la biomasa ... -
Renewable biopolyols from residual aqueous phase resulting after lignin precipitation
Hernández Ramos, Fabio ; González Alriols, María; Calvo Correas, Tamara; Labidi, Jalel; Erdocia Iriarte, Xabier (ACS, 2021-02-19)The aim of this work was to obtain two biopolyols from the liquid residue resulting from the precipitation of lignin contained in two different black liquors, Eucalyptus globulus organosolv black liquor (EOBL) and Pinus ... -
Réactivité d'argile modifiée par polymérisation. Etude de l'adsorption des polluants des eaux usées
Tahari, Nadia (2022-03-19)La contamination de l'eau par de nombreuses formes de polluants tels que les composés organiques volatils (COV), les colorants synthétiques et les métaux lourds peuvent endommager notre planète et posent un problème pour ... -
Separation and Purification of Hemicellulose by Ultrafiltration
Egüés Artola, Itziar; Sánchez Agra, Cristina; Mondragón Egaña, Iñaki Bixintxo; Labidi Bouchrika, Jalel (ACS, 2011-12-29)[EN]During hydrolysis treatments, where the main objective is the solubilization of hemicelluloses, several undesirable reactions may occur. As a result, monomeric sugars and nonsaccharide compounds are obtained in the ... -
Simultaneous Microwave-Ultrasound Assisted Extraction of Bioactive Compounds from Bark
Sillero Ortigosa, Leyre; Prado García, Raquel; Labidi Bouchrika, Jalel (2020-08-22)Larix decidua is one of the fastest growing conifers and one of the most important coniferous tree species in Europe with high importance at wood-based industry; however, the bark generated from the debarking process is ... -
Sonochemical oxidation of technical lignin to obtain nanoparticles with enhanced functionality
Izaguirre Aróstegui, Nagore; Fernández Rodríguez, Javier; Robles Barrios, José Eduardo; Labidi Bouchrika, Jalel (RSC, 2023-11)Kraft lignin (KL) was treated by employing mild oxidation conditions enhanced by ultrasound irradiation (US) for obtaining more functionalized particles, avoiding the undesired side reactions of degradation and depolymerization. ... -
Study of a renewable capping agent addition in lignin base catalysed depolymerisation process
Hernández Ramos, Fabio ; Fernández Rodríguez, Javier; González Alriols, María; Labidi Bouchrika, Jalel; Erdocia Iriarte, Xabier (Elsevier, 2020-07-13)The aim of this work was to study the influence of a renewable capping agent (CA) in the production of monomeric compounds from the depolymerization of an organosolv lignin (Pinus radiata) by a base catalyzed depolymerization ... -
Study of the influence of reutilization ionic liquid on lignin extraction
Prado García, Raquel; Erdocia Iriarte, Xabier; Labidi Bouchrika, Jalel (Elsevier, 2015-04-09)The development of green techniques for biomass processing and fractionation is crucial from the point of view of sustainability and environmental protection. Lignin is the second most abundant bio-renewable material on ... -
Synthesis of advanced bio-based green materials from renewable biopolymers
Morales Matías, Amaia; Labidi Bouchrika, Jalel; Gullón Estévez, Patricia; Astray, Gonzalo (Elsevier, 2021-01-30)Polymeric materials such as hydrogels have become necessary in our daily lives. Hydrogels are three-dimensionally cross-linked polymeric networks that can absorb large amounts of water. Thanks to their properties, hydrogels ... -
Synthesis of polyols of different lignocellulosic residues to obtain greener products.
Fuentes da Silva, Silvia Helena (2019-07-23)Diferentes residuos lignocelulósicos, fueron convertidos en polioles usando alcoholes poli hídricos como disolventes. Mediante un diseño experimental se determinaron las condiciones óptimas de los polioles. Los distintos ...