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In this paper, two kinds of CNT/TiO2 composites were synthesized by different sol-gel methods. Comparing to the TiO2 /CNTs prepared by method 1 (Tetrabutyl titanate+CNT, H2O), the catalysts synthesized by method 2 (Tetrabutyl titanate, CNT+H2O) showed higher photocatalytic activity and the optimum content of CNT was 1%. Furthermore, diverse reactors were introduced to deal with methyl orange and phenol...
The research studied enhanced treatment of sewage from discharging points of rivers by biofilm process dosing with enzyme and the effect of phenol on removal rates of the main pollution indexes, and investigated promotion effect of enzyme (including the laboratory developed compounded enzyme and the foreign composite enzyme) on treatment of sewage by biofilm process. The research results indicated...
The research studied enhanced treatment of sewage from discharging points of rivers by biofilm process dosing with enzyme and the effect of phenol on removal rates of the main pollution indexes, and investigated promotion effect of enzyme (including the laboratory developed compounded enzyme and the foreign composite enzyme) on treatment of sewage by biofilm process. The research results indicated...
This study focuses on the effects of two flow patterns on photo degradation of organic compounds with TiO2 film immobilized on the inner wall of glazed ceramic tube. Pattern 1 is to pump the solution into the tube from the bottom and overflow from the top. Pattern 2 is to spray the solution on the inner surface and flow from the top to the bottom along the inner wall. Experimental results indicated...
Degradation of phenol by an electrochemical heterogeneous catalytic process was applied in packed bed electrolytic reactor with graphite electrode. The catalyst was characterized by SEM and the effects of pH, the applied potential and Na2SO4 on the efficiency of the electrochemical oxidation phenol process were also studied. It was found that the optimal condition was an applied potential of 25V,...
Phenol is a highly toxic and carcinogenic compound and its biological treatment has been broadly agreed that it is economical, practical and it leads to a complete removal of phenol (degraded to inorganic, CO2 H2O etc.). The effect of acclimated activated sludge in the phenol biodegradation has been studied. First, the batch acclimated period have been performed gradually by elevated the activated...
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