Ara es mostren els items 25-41 de 41

    • Formaldehyde scavengers for cleaner production: A case study focused on the leather industry 

      Marsal Monge, Agustín; Cuadros Domènech, Sara; Ollé Otero, Lluís; Bacardit Dalmases, Anna; Manich, Albert; Font Vallès, Joaquim (2018-03-12)
      Article
      Accés obert
      Due to its carcinogenic character, the presence of formaldehyde in leather continues to be a subject of great concern. By using formaldehyde scavengers, it is possible to reduce the formaldehyde content in leather. In this ...
    • Inter-laboratory study on formaldehyde determination by HPLC 

      Marsal Monge, Agustín; Font Vallès, Joaquim; Viera, Susanna; Cuadros, Sara; Rius Carrasco, Antoni; Reyes Reyes, Maria; Verdú, Emilio; Jorba, Montse; Juárez, Miguel-Angel (2008)
      Article
      Accés restringit per política de l'editorial
      The colorimetric determination of formaldehyde in a water extract of a leather sample is a procedure that has been criticized because of possible interferences of other aldehydes and coloured substances that could interfere ...
    • Libro de calidad para la producción de piel y cuero libre de Cromo(VI) 

      Font Vallès, Joaquim; Marsal Monge, Agustín; Aparicio, Enrique; Sánchez, Daniel; Ribera, Antoni (2006)
      Text en actes de congrés
      Accés obert
    • Nuevas aplicaciones de la cromatografía iónica en el sector de curtidos 

      Perez Quiñones, Carmen; Bacardit Dalmases, Anna; Ollé Otero, Lluís; Reyes Ferrera, Mª Reyes; Font Vallès, Joaquim (2012)
      Text en actes de congrés
      Accés obert
      La industria de curtidos utiliza gran variedad de productos químicos en las diferentes etapas del proceso de curtición. Una parte de estos productos son absorbidos por las pieles, mientras que el resto pasan a las aguas ...
    • Prevention of chromium(VI) formation by improving the tannery processes 

      Font Vallès, Joaquim; Rius Carrasco, Antoni; Marsal Monge, Agustín; Hauber, Christiane; Tommaselli, Michelle (2006)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This work has been funded by the European Commission through the Chrom6less Project (CRAFT -1999-71638). The objectives of the project were: - Establishment of the analytical methodology which provided reproducible results ...
    • Quality handbook for the production of chromium(VI)-free leather 

      Font Vallès, Joaquim; Rius Carrasco, Antoni; Marsal Monge, Agustín (Oficina de Publicaciones Oficiales de las Comunidades Europeas, 2005)
      Llibre
      Accés restringit per política de l'editorial
    • Recovery of organic nitrogen from beamhouse wastewater in a hair recovery process 

      Rius Carrasco, Antoni; Marsal Monge, Agustín; Bautista, E.; Cuadros, Sara; Reyes Reyes, Maria; Font Vallès, Joaquim (2009)
      Article
      Accés restringit per política de l'editorial
      In the leather industry, in addition to the extrinsic contamination attributable to chemical products not absorbed by the hides, there is intrinsic contamination produced by the hides themselves. From each 100kg of raw ...
    • Reduction of the formaldehyde content in leathers treated with formaldehyde resins by means of plant polyphenols 

      Marsal Monge, Agustín; Manich Bou, Albert M.; Cuadros Domènech, Sara; Font Vallès, Joaquim (2017-02-03)
      Article
      Accés obert
      Formaldehyde has applications in many industrial processes, including synthesis of resins and syntans to be used in the retanning process of leather. When resins are employed, they can hydrolyse, releasing formaldehyde. ...
    • Salinity reduction in the production of nappa skins by using agents with non-swelling capacity in pickling/tanning 

      Marsal Monge, Agustín; Rius Carrasco, Antoni; Cot Cosp, Jaume; Lalueza Baro, Joana; Ramón, Palop; Font Vallès, Joaquim (2005)
      Article
      Accés restringit per política de l'editorial
    • Sequential injection analysis with second-order treatment for the determination of dyes in the exhaustion process of tanning effluents 

      Gómez, Verónica; Font Vallès, Joaquim; Callao, Maria Pilar (2007-02-28)
      Article
      Accés restringit per política de l'editorial
      A sequential injection (SI)-DAD spectrophotometric method to control the exhaustion of dyes in a mixture of three dyes from a tanning industry process has been developed. It is based on an interdiffusion process of the ...
    • Study of the effect of temperature, relative humidity and UV radiation on chrome-tanned leather ageing 

      Bacardit Dalmases, Anna; Jorba, Montse; Font Vallès, Joaquim; Ollé Otero, Lluís (2012-06-01)
      Article
      Accés restringit per política de l'editorial
      Since leather is strongly affected by three main environmental parameters: temperature, relative humidity and UV radiation, this piece of research focuses on the effect that these three factors have on chrome-tanned leather ...
    • Study of the effect of temperature, relative humidity and UV radiation on wet-white leather ageing 

      Bacardit Dalmases, Anna; Cobos, Mireia; Font Vallès, Joaquim; Jorge Sánchez, Juan; Ollé Otero, Lluís (2010-10-01)
      Article
      Accés restringit per política de l'editorial
      Since upholstery leather is considered a very high-tech product, a long service life is expected by the costumer. However, this type of leather can undergo extreme environmental conditions that may cause premature ageing. ...
    • Study of the Qualitative and Semi-quantitative Analysis of Grape Seed Extract by HPLC 

      Sorolla, Sílvia; Flores, Antònia; Canals Parelló, Trini; Cantero Gómez, María Rosa; Font Vallès, Joaquim; Ollé Otero, Lluís; Bacardit Dalmases, Anna (2018-03-05)
      Article
      Accés restringit per política de l'editorial
      The main aim of this study is to carry out a qualitative and semiquantitative analysis of tannin extracts as an alternative to the official analysis method ISO 14088 – IUC 32, so that a correlation between the two methods ...
    • Study of the weathering variables on chrome-tanned leather ageing 

      Bacardit Dalmases, Anna; Jorba, Montse; Castell, Joan Carles; Font Vallès, Joaquim; Ollé Otero, Lluís (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Since upholstery leather is considered a very high-tech product, a long service life is expected by the costumer. However, this type of leather can undergo extreme environmental conditions that may cause premature ageing. ...
    • Use of water-based carbonyl-functional polymers on a cross-linker-free high performance leather finishing 

      Ollé Otero, Lluís; Urteaga, Eva; Font Vallès, Joaquim; Labastida, Luis; Bacardit Dalmases, Anna (2012-01-01)
      Article
      Accés obert
      The present paper aims to study a new high-performance coating formulation while avoiding the use of cross-linkers. By using acrylic polymers with carbonyl functional groups, the negative environmental effects of the ...
    • Use of water-based carbonyl-functional polymers on a cross-linker-free highperformance leather finish 

      Ollé Otero, Lluís; Urteaga, Eva; Font Vallès, Joaquim; Labastida, Luis; Bacardit Dalmases, Anna (2011-02)
      Article
      Accés obert
      The present paper aims to study a new high-performance coating formulation while avoiding the use of cross-linkers. By using acrylic polymers with carbonyl functional groups, the negative environmental effects of the ...
    • Waste water reutilization in the leather industry using membrane technology 

      Roig, Joan; Font Vallès, Joaquim; Marginet, Xavier; Jorba, M.; Ollé Otero, Lluís; Bacardit Dalmases, Anna; Puig Vidal, Rita (2009)
      Article
      Accés restringit per política de l'editorial
      This paper documents a technical feasibility study opf tannery wasterwater which was reclaimed (treated) and reutilized in tannery leather making processes. The studied waste water was processed in the waste water treatment ...