Now showing items 1-11 of 11

    • Application of mechanically alloyed Mn-Al metallic particles to wastewater treatment: a comparative investigation of chemical and bacterial approaches to dye degradation in residual textile waters 

      Abolighasemabadi, Mitra; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol, Joan J.; Doelle, Klaus; Chatterje, Siddharth (2018)
      Conference lecture
      Open Access
    • Application of mechanically alloyed MnAl particles to de-colorization of azo dyes 

      Abolighasemabadi, Mitra; Mbarek Wael, Ben; Casabella, Oriol; Roca Bisbe, Helena; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol, Joan J. (2018-04-15)
      Article
      Open Access
      The use of metallic particles has been shown to be an effective, low-cost method for degradation of many contaminating compounds. In this work, we analyze the efficiency of MnAl metallic powders for degrading azo dyes, ...
    • Azo-dye degradation by Mn–Al powders 

      Abolighasemabadi, Mitra; Mbarek Wael, Ben; Cerrillo Gil, Andrea; Roca Bisbe, Helena; Casabella, Oriol; Blánquez, Paqui; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol Martinez, Juan Jose (2020-03-15)
      Article
      Open Access
      Manganese–Aluminum powders were recently reported to show high efficiency and fast reaction rates as decolorization materials for azo-dye aqueous solutions. This work presents a detailed study of different aspects of this ...
    • Dealloying of Cu-Mg-Ca alloys 

      Mbarek Wael, Ben; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol Martinez, Juan Jose; Khitouni, Mohamed (Multidisciplinary Digital Publishing Institute (MDPI), 2018-11-08)
      Article
      Open Access
      The chemical dealloying of Cu-Mg-Ca alloys in free corrosion conditions was investigated for different alloy compositions and different leaching solutions. For some of the precursor alloys, a continuous, pure fcc copper ...
    • Degradation of azo dyes by rapidly solidified metallic particles 

      Mbarek Wael, Ben; Pineda Soler, Eloi; Khitouni, Mohamed; Fiol Santalo, Núria; Escoda, Lluïsa; Suñol Martinez, Juan Jose (2015)
      Conference lecture
      Open Access
      Azo compounds are one of the most common families of dyes used in textile and leather treatments. An important step during the treatment of water polluted by these compounds, is the degradation of the compounds by ...
    • Effects of the Addition of Fe, Co on the azo dye degradation ability of Mn-Al mechanically alloyed powders 

      Mbarek Wael, Ben; Saurina Canals, Joan; Escoda, Lluïsa; Pineda Soler, Eloi; Khitouni, Mohamed; Suñol, Joan Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2020-11-25)
      Article
      Open Access
      Azo compounds are used in the textile and leather industry. A significant step during the azo dyes treatment of water is the degradation by breaking the N=N bonds. This break produces the decolorization of water. In this ...
    • High efficiency decolorization of azo dye Reactive Black 5 by Ca-Al particles 

      Mbarek Wael, Ben; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol Martinez, Juan Jose; Khitouni, Mohamed (2017-12-01)
      Article
      Open Access
      This work studies the degradation of azo dye Reactive Black 5 by Ca-Al metallic particles prepared by melt-spinning and ball-milling. The morphology and the phase structure of the metallic powders were characterized and ...
    • Magnetic properties and magnetostructural transformations in Cu and Pd doped ferromagnetic Ni-Mn-Sn shape memory alloys 

      Wederni, Asma; Pineda Soler, Eloi; Escoda, Lluïsa; Suñol, Joan J.; Khitouni, Mohamed (2018)
      Conference lecture
      Open Access
    • Magnetic properties, martensitic and magnetostructural transformations of ferromagnetic Ni-Mn-Sn-Cu shape memory alloys 

      Wederni, Asma; Ipatov, Mihail; Pineda Soler, Eloi; Suñol, Joan Josep; Escoda, Lluïsa; González, Julián María; Alleg, Safia; Khitouni, Mohamed; Zuberek, Ryszard; Chumak, Oleksandr; Nabialek, Adam; Lynnyk, Artem (2020-04-03)
      Article
      Open Access
      The influence of Cu doping on structural and magnetic properties of Ni50-xMn36Sn14- yCux, y (x=0, 1,2 and y=1 at. %) ribbons has been investigated. The crystalline structures of the alloys were resolute by X-ray diffraction ...
    • Martensitic transformation, thermal analysis and magnetocaloric properties of Ni-Mn-Sn-Pd alloys 

      Wederni, Asma; Ipatov, Mihail; Pineda Soler, Eloi; Escoda, Lluïsa; González, Julián María; Khitouni, Mohamed; Suñol, Joan Josep (2020-12-01)
      Article
      Open Access
      Martensitic transition and magnetic response of Ni50-x Pdx,y Mn36 Sn14-y (x = 0, 1, 2 and y = 0, 1) Heusler alloys were analysed. The crystalline structure of each composition was solved by X-ray diffraction pattern fitting. ...
    • Rapid degradation of azo-dye using Mn-Al powders produced by ball-milling 

      Mbarek Wael, Ben; Azabou, M.; Pineda Soler, Eloi; Fiol Santalo, Núria; Escoda, Lluïsa; Suñol Martinez, Juan Jose; Khitouni, Mohamed (2017-01-01)
      Article
      Open Access
      This study was conducted on the reduction reaction of the azo dye Reactive Black 5 by means of the Mn85Al15 particles prepared by melt-spinning and ball-milling processes. The morphology, the surface elementary composition ...