Now showing items 21-40 of 49

    • Kinetic models for the electrochemical decolouration of two reactive azo dyes 

      López Grimau, Víctor; Pepió Viñals, Montserrat; Gutiérrez Bouzán, María Carmen; Buscio Olivera, Valentina (Desalination publications, 2018-12-01)
      Article
      Open Access
      In this work, the indirect oxidation of two azo dyes (Colour Index Reactive Orange 4 and 13) was performed in an electrochemical batch cell in the presence of chloride as an electrolyte. The effect of different operational ...
    • Kinetic study of the indirect electro-oxidation of azo reactive dyes 

      López Grimau, Víctor; Pepió Viñals, Montserrat; Gutiérrez Bouzán, María Carmen (2015)
      Conference report
      Restricted access - author's decision
      In this work, an electrochemical treatment in a batch cell with Ti/Pt anode was applied to degrade two reactive dyes (Color Index Reactive Orange 4 and 13) in the presence of chloride ions, usually used as dyeing ...
    • LCA of different energy sources for a water purification plant in Burkina Fasso 

      Amante García, Beatriz; López Grimau, Víctor; Canals Casals, Lluc (2017-05)
      Article
      Restricted access - publisher's policy
      This article presents a natural coagulant obtained from Moringa oleifera seeds used to reduce water turbidity. The residue generated by an oil extraction plant from M. oleifera seeds is valuated as coagulant in an automatized ...
    • LCA study of a new electrochemical and ultraviolet (EC-UV) combined system to decolourise and reuse textile saline effluents: Environmental evaluation and proposal to improve the production process 

      Álvarez del Castillo, María Dolores; Buscio Olivera, Valentina; López Grimau, Víctor; Gutiérrez Bouzán, María Carmen (Elsevier, 2020-07)
      Article
      Open Access
      In this work, the environmental performance of the reactive Jet dyeing process and the subsequent wastewater treatment currently carried out in the textile companies is compared with a new system. The developed system ...
    • Métodos de eliminación del color en efluentes de tintura textil 

      Vilaseca Vallvé, M. Mercedes; López Grimau, Víctor; Gutiérrez Bouzán, María Carmen; Crespi Rosell, Martin (2015-04-01)
      Article
      Open Access
      La industria textil por vía húmeda genera grandes cantidades de agua residual en sus procesos productivos, principalmente en las operaciones de ennoblecimiento (preparación, tintura y acabado). El sector textil precisa de ...
    • Modelling for the efficient effluent dye removal to reuse water and salt 

      Buscio Olivera, Valentina; López Grimau, Víctor; Vallès, Betina; Pepió Viñals, Montserrat; Gutiérrez Bouzán, María Carmen (2022-10-07)
      Article
      Open Access
      The objective of this work was to determine the optimal conditions for the electrooxidation treatment in order to decolourise the effluents that contain reactive dyes. According to the results, when Na2SO4 is used as an ...
    • Nuevo modelo de distribución de leche 

      Amante García, Beatriz; Gonçalves Ageitos, María; López Grimau, Víctor; Durany, Ana; Peña, Rafael (2011)
      Conference lecture
      Open Access
      Las explotaciones ganaderas de Cataluña están condicionadas por las grandes explotaciones ganaderas de otros países. Para hacer frente a los problemas económicos que las grandes explotaciones suponen, el presente artículo ...
    • Optimización de parámetros para una eliminación eficiente del colorante 

      Buscio Olivera, Valentina; Pepió Viñals, Montserrat; Valles Malet, Bettina; López Grimau, Víctor; Gutiérrez Bouzán, María Carmen (OmniaScience, 2021-03)
      Conference report
      Open Access
    • Photo-electrochemical treatment of reactive dyes in wastewater and reuse of the effluent: method optimization 

      Sala Gastón, Mireia; López Grimau, Víctor; Gutiérrez Bouzán, María Carmen (2014-11-01)
      Article
      Open Access
      In this work, the efficiency of a photo-electrochemical method to remove color in textile dyeing effluents is discussed. The decolorization of a synthetic effluent containing a bi-functional reactive dye was carried out ...
    • Photoassisted electrochemical treatment of azo and phtalocyanine reactive dyes in the presence of surfactants 

      Sala, Mireia; López Grimau, Víctor; Gutiérrez Bouzán, María Carmen (2016-03-18)
      Article
      Open Access
      An electrochemical treatment (EC) was applied at different intensities to degrade the chromophoric groups of dyes C.I. Reactive Black 5 (RB5) and C.I. Reactive Blue 7 (Rb7) until uncolored species were obtained. Decolorization ...
    • Reducing environmental impact of textile waste water by natural coagulants and reuse of effluents 

      Salas Olivares, Héctor Manuel; López Grimau, Víctor; Vilaseca Vallvé, M. Mercedes; Crespi Rosell, Martin; Gutiérrez Bouzán, María Carmen (Taylor & Francis, 2018-01-02)
      Article
      Restricted access - publisher's policy
      Water scarcity is a global problem, therefore the reuse and recycling of water is promoted in all sectors and it is a real alternative for the conservation of water resources. The industrial sector is a key point in the ...
    • Reducing the environmental impact of textile industry by reusing residual salts and water: ECUVal system 

      Buscio Olivera, Valentina; López Grimau, Víctor; Álvarez del Castillo, María Dolores; Gutiérrez Bouzán, María Carmen (2019-04-25)
      Article
      Open Access
      The textile industry is one of the largest consumers of water in the world and its wastewater constitutes a serious problem when it is discharged without the proper treatment. Different techniques are being applied for ...
    • Reduction of cost and environmental impact in the treatment of textil wastewater using a combined MBBR-MBR system 

      Yang, Xuefei; López Grimau, Víctor; Crespi Rosell, Martin (OmniaScience, 2021-03)
      Conference report
      Open Access
    • Reduction of Cost and Environmental Impact in the Treatment of Textile Wastewater Using a Combined MBBR-MBR System 

      Yang, Xuefei; López Grimau, Víctor (Multidisciplinary Digital Publishing Institute (MDPI), 2021-11-19)
      Article
      Open Access
      A hybrid Moving Bed Biofilm Reactor—Membrane Bioreactor (MBBR-MBR) was developed for the treatment of wastewater from a Spanish textile company. Compared with conventional activated sludge (CAS) treatment, the feasibility ...
    • Removal of aromatic amines and decolourisation of azo dye baths by electrochemical treatment 

      López Grimau, Víctor; Riera Torres, Miquel; López Mesas, Montserrat; Gutiérrez Bouzán, María Carmen (2013-03-17)
      Article
      Restricted access - publisher's policy
      The presence of aromatic amines in effluent from dyeing processes of the textile industry is an added problem to the high coloration typical of this type of effluent. The main objective of the present work was to eliminate ...
    • Rentabilidad y revalorización del sector agrícola 

      Amante García, Beatriz; López Grimau, Víctor (2012-01)
      Article
      Open Access
      En este artículo se realiza un estudio de viabilidad económica para revalorizar terrenos de cultivo en pueblos de montañas de la zona del valle de Aran lo que representa una alternativa a la gran distribución alimentaria. ...
    • Respirometric study of optical brighteners in textile wastewater 

      Salas Olivares, Héctor Manuel; Gutiérrez Bouzán, María Carmen; López Grimau, Víctor; Vilaseca Vallvé, M. Mercedes (Multidisciplinary Digital Publishing Institute (MDPI), 2019-03)
      Article
      Open Access
      Optical brighteners (OBs) are colorless fluorescent dyes, widely used in industry to improve whiteness in materials. Nearly 80% of all OBs in the market are derivatives of stilbene. They absorb the near-ultraviolet light ...
    • Reuse of textile dyeing effluents treated with coupled nanofiltration and electrochemical processes 

      Buscio Olivera, Valentina; García Jiménez, María; Vilaseca Vallvé, M. Mercedes; López Grimau, Víctor; Crespi Rosell, Martin; Gutiérrez Bouzán, María Carmen (2016-06-20)
      Article
      Open Access
      The reactive dye Cibacron Yellow S-3R was selected to evaluate the feasibility of combining nanofiltration membranes with electrochemical processes to treat textile wastewater. Synthetic dyeing effluents were treated by ...
    • Reuse of textile wastewater treated by moving bed biofilm reactor coupled with membrane bioreactor 

      Yang, Xuefei; López Grimau, Víctor; Vilaseca Vallvé, M. Mercedes; Crespi Rosell, Martin; Ribera Pi, Judit; Calderer, Montserrat; Martínez Lladó, Xavier (2021-10)
      Article
      Open Access
      A laboratory-scale pilot plant of moving bed biofilm reactor coupled with membrane bioreactor (MBBR-MBR) was studied with regard to wastewater treatment in the textile industry, and the reuse feasibility of treated water ...
    • Revalorización de una actividad perdida en el Valle de Arán 

      Amante García, Beatriz; López Grimau, Víctor; González Benítez, María Margarita; Torrella Corbera, María Goretti; Peña, Rafael (2010)
      Conference lecture
      Open Access
      La situación actual de la cadena de suministro agrícola, ha provocado un encarecimiento excesivo de los productos en su recorrido del productor al consumidor. Las condiciones del mercado, y la influencia de las grandes ...