Remediation of soils polluted with lindane using surfactant-aided soil washing and electrochemical oxidation

In this work the complete treatment of soil spiked with lindane is studied using surfactant-aided soil-washing (SASW) to exhaust lindane from soil and electrolysis with diamond anodes to mineralize lindane from the soil washing fluid (SWF) waste. Results demonstrated that this technological approach...

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Detalles Bibliográficos
Autores: Muñoz Morales, Martín, García Braojos, Marta, Sáez Jiménez, Cristina, Cañizares Cañizares, Pablo, Rodrigo Rodrigo, Manuel Andrés
Tipo de recurso: artículo
Fecha de publicación:2017
País:España
Institución:Universidad de Castilla-La Mancha
Repositorio:RUIdeRA. Repositorio Institucional de la UCLM
OAI Identifier:oai:ruidera.uclm.es:10578/29763
Acceso en línea:http://hdl.handle.net/10578/29763
Access Level:acceso abierto
Palabra clave:Surfactant-aided
Soil washing
Lindane
Electrolysis
Diamond
Asistido por surfactante
Lavado de suelos
Lindano
Electrólisis
Diamante
Descripción
Sumario:In this work the complete treatment of soil spiked with lindane is studied using surfactant-aided soil-washing (SASW) to exhaust lindane from soil and electrolysis with diamond anodes to mineralize lindane from the soil washing fluid (SWF) waste. Results demonstrated that this technological approach is efficient and allow to remove this hazardous pollutant from soil. They also pointed out the significance of the ratio surfactant/soil in the efficiency of the SASW process and in the performance of the later electrolysis used to mineralize the pollutant. Larger values of this parameter lead to effluents that undergo a very efficient treatment which allows the depletion of lindane for applied charges lower than 15 Ah L−1 and the recovery of more than 70% of the surfactant for the regeneration of the SWF.