demand (COD) measurements were conducted to study the kinetics of phenol electrochemical degradation and the mineralization efficiency under different current densities. The byproducts of the oxidation were identified; acetic acid was the main refractory organic compounds representing approximately 50% of the final residual TOC. Kinetics of EC oxidation was represented by pseudo-first order kinetic model. The ratio of H 2 O 2 to phenol was 10:1. Redox Kinetics. Na2Cr2O7 2) alk. With increasing concentrations of PS and γ-MnOOH, phenol removal efficiency increased. A diffuse glow discharge is formed in the cavity. The majority of annual deposition occurred in summer (June-September), when both concentrations and rainfall amounts were higher. i sense that the reason behind your question is that you may have inadvertantly used an out of date phenol.? attained > 99.9% after 20 min of electrolysis at initial 5-200 mg/L concentrations at a constant current density of 30 mA/cm2 with a 10 mmol/L sodium sulphate (Na2SO4) supporting electrolyte solution. KMnO4 3) Jones reagent 4) Cr2O2Cl2 A variety of chemical oxidation programs were tested to determine which would provide the greatest (and most economical) reduction in both parameters. The performance of Ti/RuO2-Pt anode for decomposition of dye and long time service was also investigated. Percent degradation of MB after sonocatalytic activity was found to be 90.2% for 60 min. We further confirm that mechanism involved in phenol oxidation is pH dependent in γ-MnOOH/PS system. The carbon fiber anode oxidized the phenol more effectively than graphite, with removal proportional to the applied current. At pH 11, SO4− and OH generated from PS activation efficiently oxidize phenol. Oxidation of Cumene in the presence of air gives cumene hydro-peroxide. Overall, based on the results, AgCu@MWCNT nanocatalysts were detected as an effective nanocatalyst for degradation of MB using the ultrasonic process method. Although volume-weighted, annual mean TOC concentrations at Ithaca were more than 1.8 times higher than at Hubbard Brook; the physical/chemical profiles were similar at both sites. Materials and methods: The present study was an experimental study in laboratory scale. The energy consumption value (8.0 kWh kg −1 N) was detected at the optimum operating conditions. Introduction. If you start with 85% phenol and the phenol evaporates faster than whatever the other 15% is then you would still have to leave the lid off a while to loose a significant amount of phenol. In this study, we applied electrochemical oxidation (EO) and adsorption techniques to eliminate ammonia, phenols, and Mo(VI) from aqueous solutions. OH free radicals over the PbO 2 particles decorating a ZnO-TiO 2 core-shell composite coating. It is suggested that a major fraction of TOC in precipitation at these two sites in the northeastern U.S. was derived from airborne particulate matter, such as soil dust and plant material. It was found that the ChS removal rate increased with increasing current density and the ChS degradation was similar at different initial pH values, which means that Ti/IrO2-Pt anode can be used in a wide pH range. Phenol can be effectively oxidized in the full pH range.