Ion exchange system for the final purification of olive mill wastewater: Performance of model vs. real effluent treatment
作者： M.D. Víctor-Ortega , J.M. Ochando-Pulido , A. Martínez-Ferez
DOI: 10.1016/J.PSEP.2016.02.004
关键词:
摘要: Abstract Olive mill wastewater (OMW) is a highly pollutant effluent which can be pretreated through an advanced oxidation process. OMW after this secondary treatment (OMW-2ST) presented high sodium and chloride concentrations, responsible for its conductivity. In context, two ion exchange (IE) resins were examined (Dowex Marathon C Amberlite IRA-67) final OMW-2ST purification. As extremely seasonal deteriorates within few days, the main parameters affecting IE process previously optimized with lab-made model OMW-2ST. Then optimum operating conditions tested real Evolution of conductivity was evaluated as function recirculation time to study effect disposition dosages compared both Equilibrium reached in 10 20 min OMW-2ST, respectively. Furthermore, continuous mode experiments carried out investigate evolution time. Breakthrough lower versus (120 vs. 147.5 min). Minimum 10 g L −1 resin dosage ensured 74% 78% removal efficiencies, thus fulfilling irrigation water legal requirements rending production system cost-effective environmentally respectful. Finally, confirmed good simulating media reproduce processes.
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