| This article mainly revolves the mineral adsorption material regarding to contain phenol waste water processing to conduct the research. Through uses the zeolite, the kieselguhr, the rectorite, the kaolin as well as their acidic modification carries on including phenol waste water adsorption processing, screens the acidic kaolin for the phenol adsorption best absorbent.To further enhance the sour modified kaolin adsorptive capacity and the exploration best adsorption condition, uses the static adsorption the method study sour modified kaolin, in the different temperature, different pH, including the phenol waste strength, the absorbent throw under the increment as well as the adsorption time adsorption effect, explores the best adsorption condition. The experimental result indicated that is better after the H2SO4 solution modification's kaolin to the phenol adsorption effect. Best static adsorption technological parameter: Regarding 120mg/L including the phenol waste water, the sour modified kaolin throws the increment is best 10g/L, the adsorption time is 30min, the adsorption efficiency elevates along with the temperature reduces, takes the optimum temperature for 25℃, pH the control in 4, the adsorption effect is best, the adsorption rate may achieve 63.20%.Looking from adsorbs the mechanism, the sour modified kaolin's adsorption pattern may use the Freundlich adsorption uniform temperature pattern to carry on the fitting. After the process modification's kleit's unit area achieves the saturation time to be higher than the kleit to the phenol biggest adsorptive capacity, the loading capacity increases greatly. The model equation to adsorb phenol is deduced. According to Freundlich experience equation and determined adsorption isotherm, obtained isothermal equation of kaolin adsorbed phenol, its equation form is G=0.886C0.35 . |
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