Exploració per autor "Ruiz Planas, Montserrat"
Ara es mostren els items 1-20 de 21
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Adsorció de l'herbicida Paraquat en Alginat de Calci
Ruiz Planas, Montserrat; Roset Calzada, María Lourdes; Barrón Zambrano, Jesús Alberto; Sastre, Anna M.; Pérez González, Juan Jesús (Centre per a la Sostenibilitat, 2009-07-09)
Comunicació de congrés / Text en actes de congrés
Accés obertLa sostenibilitat de l’ús de l’aigua esta lligada de forma fonamental al seu ús en l’agricultura. L’activitat agrària afecta directament la qualitat de les aigües. Els residus de fertilitzants i de productes fitosanitaris, ... -
Adsorció de l'herbicida paraquat en alginat de calci
Ruiz Planas, Montserrat; Roset Calzada, María Lourdes; Barrón Zambrano, Jesús Alberto; Sastre Requena, Ana María; Pérez González, Juan Jesús (2009)
Text en actes de congrés
Accés obertLa sostenibilitat de l’ús de l’aigua esta lligada de forma fonamental al seu ús en l’agricultura. L’activitat agrària afecta directament la qualitat de les aigües. Els residus de fertilitzants i de productes fitosanitaris, ... -
Boron recovery from seawater with a new low-cost adsorbent material
Demey Cedeño, Hary; Vincent, Thierry; Ruiz Planas, Montserrat; Nogueras Cervera, Marc; Sastre Requena, Ana María; Guibal, Eric (2014-10-15)
Article
Accés restringit per política de l'editorialA new adsorbent [chiFer(III)] for boron recovery from seawater was prepared using chitosan and iron(III) hydroxide. Experiments were carried out in a column system. Seawater samples were collected from the Mediterranean ... -
Boron removal from aqueous solutions by using a novel alginate-based sorbent: Comparison with Al2O3 particles
Demey Cedeño, Hary; Barrón Zambrano, Jesús Alberto; Mhadhbi, Takoua; Miloudi, Hafida; Yang, Zhen; Ruiz Planas, Montserrat; Sastre Requena, Ana María (Multidisciplinary Digital Publishing Institute (MDPI), 2019-09-01)
Article
Accés obertBoron removal was evaluated in the present work by using calcium alginate beads (CA) and a novel composite based on alginate–alumina (CAAl) as sorbents in a batch system. The effects of different parameters such as pH, ... -
Boron removal from aqueous solutions using alginate gel beads in fixed-bed systems
Demey Cedeño, Hary; Ruiz Planas, Montserrat; Barrón Zambrano, Jesús Alberto; Sastre Requena, Ana María (2014-06-01)
Article
Accés obertBACKGROUNDA column sorption study was carried out using calcium alginate gel beads as adsorbent for the removal of boron from aqueous solutions. The breakthrough curve was obtained as a function of pH, initial concentration ... -
Ca-alginate/carboxymethyl chitosan/Ni0.2Zn0.2Fe2.6O4 magnetic bionanocomposite: Synthesis, characterization and application for single adsorption of Nd+3, Tb+3, and Dy+3 rare earth elements from aqueous media
Javadian, Hamedreza; Ruiz Planas, Montserrat; Sastre Requena, Ana María (2020-05-15)
Article
Accés obertThis study aims to research the adsorption of Nd+3, Tb+3, and Dy+3 from aqueous media onto the magnetic calcium alginate/carboxymethyl chitosan/Ni0.2Zn0.2Fe2.6O4 (CA/CMC/Ni0.2Zn0.2Fe2.6O4) bionanocomposite in a single ... -
Comparison of block size distribution in rockfalls
Ruiz Planas, Montserrat; Corominas Dulcet, Jordi; Mavrouli, Olga Christina (2015)
Comunicació de congrés
Accés restringit per política de l'editorialRock masses detached as rockfalls usually disintegrate upon impact on the ground surface. The knowledge of the Rockfall Block Size Distribution (RBSD) generated by the propagation of the rockfall mass is required for th e ... -
Development of a new chitosan/Ni(OH)(2)-based sorbent for boron removal
Demey Cedeño, Hary; Vincent, Thierry; Ruiz Planas, Montserrat; Sastre Requena, Ana María; Guibal, Eric (2014-05-15)
Article
Accés restringit per política de l'editorialA new composite containing chitosan (as the encapsulating material) and nickel (II) hydroxide [chiNi(II)] has been manufactured for the removal of boron from aqueous solutions. The biosorbent was characterised using SEM ... -
Development of Techniques Based on Natural Polymers for the Recovery of Precious Metals
Ruiz Planas, Montserrat (Universitat Politècnica de Catalunya, 2002-05-10)
Tesi
Accés obertAquest treball contribueix a l'estudi de la sorció de metalls preciosos en chitosan, presentant-lo com una futura alternativa a nivell industrial en front dels altres processos ja utilitzats actualment. Concretament el ... -
Fuzzy logic modeling of Pb (II) sorption onto mesoporous NiO/ZnCl2-Rosa Canina-L seeds activated carbon nanocomposite prepared by ultrasound-assisted co-precipitation technique
Javadian, Hamedreza; Ghasemi, Maryam; Ruiz Planas, Montserrat; Sastre Requena, Ana María; Hosseini Asl, Seyed Mostafa; Masomi, Mojtaba (2018-01-01)
Article
Accés obertIn this study, NiO/Rosa Canina-L seeds activated carbon nanocomposite (NiO/ACNC) was prepared by adding dropwise NaOH solution (2 mol/L) to raise the suspension pH to around 9 at room temperature under ultrasonic irradiation ... -
Immobilization of cyphos ionic liquids in alginate capsules for Cd(II) sorption
Guibal, E.; Figuerola Piñol, A.; Ruiz Planas, Montserrat; Vincent, T.; Sastre Requena, Ana María; Jouannin, C. (2010-01)
Article
Accés restringit per política de l'editorialFour phosphonium ionic liquids (Cyphos IL-101, IL-105, IL-109, and IL-111) have been immobilized in composite biopolymer capsules (alginate/gelatin). The resins were tested for Cd(II) sorption in HCl solutions. Cyphos ... -
Neodymium recovery by chitosan/iron(III) hydroxide [ChiFer(III)] sorbent material: Batch and column systems
Demey Cedeño, Hary; Lapo, Byron; Ruiz Planas, Montserrat; Fortuny Sanromá, Agustín; Marchand, Muriel; Sastre Requena, Ana María (2018-02-19)
Article
Accés obertA low cost composite material was synthesized for neodymium recovery from dilute aqueous solutions. The in-situ production of the composite containing chitosan and iron(III) hydroxide (ChiFer(III)) was improved and the ... -
Novel magnetic nanocomposite of calcium alginate carrying poly(pyrimidine-thiophene-amide) as a novel green synthesized polyamide for adsorption study of neodymium, terbium, and dysprosium rare-earth ions
Javadian, Hamedreza; Ruiz Planas, Montserrat; Taghvai, Mehdi; Sastre Requena, Ana María (Elsevier, 2020-10-20)
Article
Accés obertIn this paper, a novel polyamide containing pyrimidine and methine thiophene linkages (poly(pyrimidine-thiophene-amide) (P(P-T-A))) was synthesized. Then, the magnetic calcium alginate nanocomposite containing P(P-T-A) ... -
QUÍMICA (Examen 2n quadrimestre)
Salvadó Cabré, Nativitat; Papiol Vera, Emilia; Olivé Duran, Joaquim; Roset Calzada, María Lourdes; Ruiz Planas, Montserrat (Universitat Politècnica de Catalunya, 2019-06-10)
Examen
Accés restringit a la comunitat UPC -
QUÍMICA (Examen 2n quadrimestre): Examen de pràctiques de laboratori
Salvadó Cabré, Nativitat; Papiol Vera, Emilia; Olivé Duran, Joaquim; Roset Calzada, María Lourdes; Ruiz Planas, Montserrat (Universitat Politècnica de Catalunya, 2019-06-10)
Examen
Accés restringit a la comunitat UPC -
QUÍMICA (Examen 2n quadrimestre): Examen de reavaluació
Salvadó Cabré, Nativitat; Papiol Vera, Emilia; Olivé Duran, Joaquim; Roset Calzada, María Lourdes; Ruiz Planas, Montserrat (Universitat Politècnica de Catalunya, 2019-06-26)
Examen
Accés restringit a la comunitat UPC -
Response surface methodology based on central composite design for simultaneous adsorption of rare earth elements using nanoporous calcium alginate/carboxymethyl chitosan microbiocomposite powder containing Ni0.2Zn0.2Fe2.6O4 magnetic nanoparticles: Batch and column studies
Javadian, Hamedreza; Ruiz Planas, Montserrat; Sastre Requena, Ana María (2020-07-01)
Article
Accés obertIn this research paper, the utilization of the magnetic calcium alginate/carboxymethyl chitosan/Ni0.2Zn0.2Fe2.6O4 (CA/CMC/Ni0.2Zn0.2Fe2.6O4) was investigated for the simultaneous aqueous adsorption of Nd (III), Tb (III), ... -
Sorption of boron calcium alginate gel beads
Ruiz Planas, Montserrat; Tobalina, Carlos; Demey Cedeño, Hary; Barrón Zambrano, Jesús Alberto; Sastre Requena, Ana María (2013-04)
Article
Accés restringit per política de l'editorialIn this work, the removal of boron by a biopolymer of alginate was studied in an aqueous solution. The effects of pH, initial boron concentration, alginate concentration in the beads and stirring time were evaluated. The ... -
Synthesis of hydrous iron oxide/aluminum hydroxide composite loaded on coal fly ash as an effective mesoporous and low-cost sorbent for Cr(VI) sorption: Fuzzy logic modeling
Hosseini Asl, Seyed Mostafa; Masomi, Mojtaba; Hosseini, Morteza; Javadian, Hamedreza; Ruiz Planas, Montserrat; Sastre Requena, Ana María (2017-04-01)
Article
Accés obertThe aim of this research was to estimate the possibility of using synthesized hydrous iron oxide/aluminium hydroxide composite loaded on coal fly ash (FA3) as an efficient sorbent for Cr(VI) sorption from aqueous solution. ... -
Synthesis of magnetic CMC bionanocomposite containing a novel biodegradable nanoporous polyamide selectively synthesized in ionic liquid as green media: Investigation on Nd+3, Tb+3, and Dy+3 rare earth elements adsorption
Javadian, Hamedreza; Ruiz Planas, Montserrat; Taghavi, Mehdi; Sastre Requena, Ana María (2020-06-15)
Article
Accés obertIn this research study, the carboxymethyl chitosan/poly(pyrimidine-thiophene-amide)/Ni0.2Zn0.2Fe2.6O4 (CMC/P(PTA)/Ni0.2Zn0.2Fe2.6O4) was prepared as a novel magnetic bionanocomposite adsorbent. FE-SEM, EDX, NMR, XRD, FT-IR, ...