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Artículo

Biodiesel wastewater treatment using nanofiltration membranes

Torres, Juan JoseIcon ; Cuello, Macarena; Ochoa, Nelio ArielIcon ; Pagliero, Cecilia LilianaIcon
Fecha de publicación: 04/2021
Editorial: Institution of Chemical Engineers
Revista: Process Safety and Environmental Protection
ISSN: 0957-5820
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ingeniería de Procesos Químicos

Resumen

Water reclamation and reuse are economically and environmentally important issues for industries. Costly and ineffective treatments such as coagulation, flocculation, and/or biological treatment are the most widely used technologies for these processes. The aim of this paper is to study membrane separation to treat biodiesel wastewater as an alternative. To achieve this goal, two commercial nanofiltration membranes were used to treat medium-high strength wastewater. An Inopor Nano tubular ceramic membrane was used in a cross-flow module and a NF99HF Alfa Laval polymeric flat sheet membrane was used in a dead-end filtration cell. Wastewaters were prepared and treated with these membranes achieving maximum fluxes of permeate of 53.1 L h-1 m-2 for the ceramic membrane and 12.2 L h-1 m-2 for the polymeric membrane at 20 bar and 30 °C. The results shows a chemical oxygen demand retention between 80–85 % were obtained for both membranes, while the retention of ionic species due to changes in electrical conductivity was 76–89 %. Transmembrane pressure, organic load, hydraulic permeability, cross-flow velocity, wastewater characterization and fouling resistance-in-series analysis were also made and analyzed in detail in order to explore the actual use of nanofiltration.
Palabras clave: BIODIESEL WASTEWATER , CROSS-FLOW NANOFILTRATION , DEAD-END , MEMBRANE
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/138817
URL: https://www.sciencedirect.com/science/article/abs/pii/S0957582021000835
DOI: https://doi.org/10.1016/j.psep.2021.02.013
Colecciones
Articulos (IITEMA)
Articulos de INSTITUTO DE INVESTIGACIONES EN TECNOLOGIAS ENERGETICAS Y MATERIALES AVANZADOS
Articulos(INFAP)
Articulos de INST. DE FISICA APLICADA "DR. JORGE ANDRES ZGRABLICH"
Citación
Torres, Juan Jose; Cuello, Macarena; Ochoa, Nelio Ariel; Pagliero, Cecilia Liliana; Biodiesel wastewater treatment using nanofiltration membranes; Institution of Chemical Engineers; Process Safety and Environmental Protection; 148; 4-2021; 825-833
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