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Cork boiling wastewater treatment and reuse through combination of advanced oxidation technologies.
Ponce-Robles, L; Miralles-Cuevas, S; Oller, I; Agüera, A; Trinidad-Lozano, M J; Yuste, F J; Malato, S.
Afiliación
  • Ponce-Robles L; Plataforma Solar de Almería-CIEMAT, Carretera de Senés Km 4, Tabernas, 04200, Almeria, Spain.
  • Miralles-Cuevas S; CIESOL, Joint Centre of the University of Almería-CIEMAT, 04120, Almería, Spain.
  • Oller I; Laboratory for Environmental Research in Arid Zones, LIMZA, School of Mechanical Engineering, University of Tarapaca, Arica, Chile.
  • Agüera A; Plataforma Solar de Almería-CIEMAT, Carretera de Senés Km 4, Tabernas, 04200, Almeria, Spain. isabel.oller@psa.es.
  • Trinidad-Lozano MJ; CIESOL, Joint Centre of the University of Almería-CIEMAT, 04120, Almería, Spain. isabel.oller@psa.es.
  • Yuste FJ; CIESOL, Joint Centre of the University of Almería-CIEMAT, 04120, Almería, Spain.
  • Malato S; ICMC-IPROCOR, Instituto del Corcho, la Madera y el Carbón Vegetal, Mérida, 06800, Badajoz, Spain.
Environ Sci Pollut Res Int ; 24(7): 6317-6328, 2017 Mar.
Article en En | MEDLINE | ID: mdl-27519899
Industrial preparation of cork consists of its immersion for approximately 1 hour in boiling water. The use of herbicides and pesticides in oak tree forests leads to absorption of these compounds by cork; thus, after boiling process, they are present in wastewater. Cork boiling wastewater shows low biodegradability and high acute toxicity involving partial inhibition of their biodegradation when conventional biological treatment is applied. In this work, a treatment line strategy based on the combination of advanced physicochemical technologies is proposed. The final objective is the reuse of wastewater in the cork boiling process; thus, reducing consumption of fresh water in the industrial process itself. Coagulation pre-treatment with 0.5 g/L of FeCl3 attained the highest turbidity elimination (86 %) and 29 % of DOC elimination. Similar DOC removal was attained when using 1 g/L of ECOTAN BIO (selected for ozonation tests), accompanied of 64 % of turbidity removal. Ozonation treatments showed less efficiency in the complete oxidation of cork boiling wastewater, compared to solar photo-Fenton process, under the studied conditions. Nanofiltration system was successfully employed as a final purification step with the aim of obtaining a high-quality reusable permeate stream. Monitoring of unknown compounds by LC-QTOF-MS allowed the qualitative evaluation of the whole process. Acute and chronic toxicity as well as biodegradability assays were performed throughout the whole proposed treatment line.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Contaminantes Químicos del Agua / Purificación del Agua / Reciclaje / Aguas Residuales / Residuos Industriales Tipo de estudio: Qualitative_research Idioma: En Revista: Environ Sci Pollut Res Int Asunto de la revista: SAUDE AMBIENTAL / TOXICOLOGIA Año: 2017 Tipo del documento: Article País de afiliación: España Pais de publicación: Alemania
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Contaminantes Químicos del Agua / Purificación del Agua / Reciclaje / Aguas Residuales / Residuos Industriales Tipo de estudio: Qualitative_research Idioma: En Revista: Environ Sci Pollut Res Int Asunto de la revista: SAUDE AMBIENTAL / TOXICOLOGIA Año: 2017 Tipo del documento: Article País de afiliación: España Pais de publicación: Alemania