Articles producció científica> Enginyeria Química

Ceramic-supported graphene oxide membrane bioreactor for the anaerobic decolorization of azo dyes

  • Datos identificativos

    Identificador: imarina:9242333
    Handle: http://hdl.handle.net/20.500.11797/imarina9242333
  • Autores:

    Amin MSA
    Stüber F
    Giralt J
    Fortuny A
    Fabregat A
    Font J
  • Otros:

    Autor según el artículo: Amin MSA; Stüber F; Giralt J; Fortuny A; Fabregat A; Font J
    Departamento: Enginyeria Química
    Autor/es de la URV: Amin, Mohammad Shaiful Alam / Fabregat Llangostera, Azael / Font Capafons, José / Giralt Marcé, Jaume / Stüber, Frank Erich
    Palabras clave: Textile dye Membrane Graphene oxide Azo dye Anaerobic decolorization triazo dyes strain reduction performance nanosheets monoazo membrane facile degradation biodegradation azo dye anaerobic decolorization
    Resumen: A continuous compact membrane bioreactor consisted of ceramic-supported graphene oxide membrane (CSGoM) was implemented for the first time for anaerobic biodecolorization of monoazo Acid Orange 7 (AO7), diazo Reactive Black 5 (RB5), and triazo Direct Blue 71 (DB71) solutions, showing excellent decolorization potential. The membrane was prepared by vacuum filtration of various graphene oxide solutions using a UF ceramic flat element. The decolorization efficiency of the CSGoM bioreactor, made from 1 mg·mL?1 of GO solution (B-CSGoM-1), was investigated for several structurally distinct azo dyes, initial feed concentrations, and permeate fluxes. Maximum color removal was achieved under low feed concentration (50 mg·L?1) and permeate flux (0.05 L·m?2·h?1), reaching 99% for AO7, 96% RB5, and 92% for DB71. At this low permeate flux, the biodecolorization was stable for all azo dye solutions irrespective of the feed concentration. In a subsequent experiment under higher feed concentration and permeate flux (100 mg·L?1 and 0.10 L·m?2·h?1), the decolorization slightly fell to 93%, 85%, and 81% for monoazo, diazo, and triazo solutions, respectively. The existence of anaerobic bacteria (Geobacter and Pseudomonas guangdongensis) in the B-CSGoM-1 biofilm confirms that they could perform efficient biodegradation of azo dye molecules in association with the graphene oxide membrane. © 2021 The Authors
    Áreas temáticas: Water science and technology Water resources Waste management and disposal Safety, risk, reliability and quality Química Process chemistry and technology Materiais Farmacia Engineering, environmental Engineering, chemical Engenharias iii Engenharias ii Engenharias i Ciências ambientais Ciências agrárias i Ciência de alimentos Biotechnology Astronomia / física
    Acceso a la licencia de uso: https://creativecommons.org/licenses/by/3.0/es/
    Direcció de correo del autor: jaume.giralt@urv.cat jose.font@urv.cat afabrega@urv.cat frankerich.stuber@urv.cat mohammadshaifulalam.amin@estudiants.urv.cat
    Identificador del autor: 0000-0001-5917-8741 0000-0002-4007-7905 0000-0002-5525-5401 0000-0001-9424-1400 0000-0001-6966-9229
    Fecha de alta del registro: 2023-10-01
    Versión del articulo depositado: info:eu-repo/semantics/publishedVersion
    Enlace a la fuente original: https://www.sciencedirect.com/science/article/pii/S2214714421005869?via%3Dihub
    URL Documento de licencia: http://repositori.urv.cat/ca/proteccio-de-dades/
    Referencia al articulo segun fuente origial: Journal Of Water Process Engineering. 45
    Referencia de l'ítem segons les normes APA: Amin MSA; Stüber F; Giralt J; Fortuny A; Fabregat A; Font J (2022). Ceramic-supported graphene oxide membrane bioreactor for the anaerobic decolorization of azo dyes. Journal Of Water Process Engineering, 45(), -. DOI: 10.1016/j.jwpe.2021.102499
    DOI del artículo: 10.1016/j.jwpe.2021.102499
    Entidad: Universitat Rovira i Virgili
    Año de publicación de la revista: 2022
    Tipo de publicación: Journal Publications
  • Palabras clave:

    Biotechnology,Engineering, Chemical,Engineering, Environmental,Process Chemistry and Technology,Safety, Risk, Reliability and Quality,Waste Management and Disposal,Water Resources,Water Science and Technology
    Textile dye
    Membrane
    Graphene oxide
    Azo dye
    Anaerobic decolorization
    triazo dyes
    strain
    reduction
    performance
    nanosheets
    monoazo
    membrane
    facile
    degradation
    biodegradation
    azo dye
    anaerobic decolorization
    Water science and technology
    Water resources
    Waste management and disposal
    Safety, risk, reliability and quality
    Química
    Process chemistry and technology
    Materiais
    Farmacia
    Engineering, environmental
    Engineering, chemical
    Engenharias iii
    Engenharias ii
    Engenharias i
    Ciências ambientais
    Ciências agrárias i
    Ciência de alimentos
    Biotechnology
    Astronomia / física
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