Degradation Experiment Study on Different Salinity Phenol Solutions Using Ozone Micro-nano Bubbles Technology
This study utilized ozone micro-nano bubble technology to treat phenol solutions of two concentrations(83.3 mg/L and 166.7 mg/L),aiming to explore the impact of varying salt concentrations on the efficiency of total organic carbon(TOC)removal.The experiments were conducted under controlled conditions with a pH value of 7.0 to 9.0 and an oxidation-reduction potential(ORP)not exceeding 300 mV,covering a conductivity range from 0 to approximately 47000 μS/cm.The results indicated that under high-salinity conditions(i.e.,high chloride ion concentration),the efficiency of phenol treatment via ozone micro-nano bubble technology was essentially unaffected.Furthermore,by degrading solutions of benzoic acid with two different salinity gradients,the experimental conclusion was further validated.Therefore,due to its sustained high efficiency in organic matter degradation under high-salinity conditions,ozone micro-nano bubble technology promises significant application prospects in the future industrial treatment of high-salinity wastewater.
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