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The effect of inorganic ions on Fenton's reagent to degrade phenol in water is studied. Experimental results show that ferric ions can enhance the catalyst-oxidation ability of Fenton's reagent. Phosphate,chloride ions, copper ions and carbonate ions will suppress the catalyst-oxidation ability, and the inhibition ability of ions is: H2PO4->;Cl- >;Cu2+>;HCO3-~CO32-.For the ions of sulfate...
The Catalytic Wet Oxidation (CWO) method was investigated to treat wastewater from chemical container cleaning process, which contains various and high-strength pollutants. A heterogeneous catalyst was studied with Cu2+ as the active component and activated carbon as the supporter. The effects of Cu2+ concentration, calcination temperature and calcination time on the Cu-based catalyst performance...
A series of urban wastewater in one WWTP of Xi'an, China was picked to investigate the mechanism of representative heavy metals removal by the wastewater treatment plant (WWTP). Under determine the six different heavy metals(Cu, Zn, Mn, Cr, Hg, As) and SS concentrations of the effluent of the fine screen, sand chamber, oxidation ditch and secondary sedimentation settler, it is wished to find the kinetics...
Water purification by streamer discharge using pulsed-power generator under a high-conductivity water containing pollutants has been investigated. A gas-liquid separated reactor was developed to treat highly conductive solution. A wire electrode was placed in the gas phase and a plane electrode was immersed in the water. A pulsed high voltage generated by six stacked Blumlein lines was applied to...
Acticarbon can absorb and gather -OH, -X etc. In phenol-containing wastewater these organic micropollutant (such as p-chlorophenol and o-chlorophenol) may affect COD value. After activation treatment, impregnated acticarbon with 6.0% Cu(NO3)2 solution, then put it into a drying oven of 270degC, copper will be reduced and thermosetting on its micro surface. Fixed bed was choosen as the equipment, absorption...
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