Cefotaxime Sodium And Simulation Pharmaceutical Wastewater Treatment

The influence and the pressure produced by the more and more serious water pollution have the significant effect on the economical development and ecologic environment, and the pharmaceutical wastewate is one of reasons caused the water pollution. The wastewater also is one of the most difficultly treated industrial wastewater.In particular, the antibiotic producting wastewater may make the natural water system worsen, because it not only is not degraded by microorganism and but also had the bacteriostasis. Therefore, it appeared to be necessary very much to seek one kind of economical effective water treatment technology to process this kind of wastewater effectively.This paper studied the results of the cefotaxime sodium simulated pharmaceutical wastewater produced by the single treating methods such as the active carbon, Fenton reagent and so on and their combined technologies.The study found that using advanced oxidation and SBR combined technologies could deal with the wastewater effectively and provided the certain theory basis for the industrial treatment. The experimental research showed:(1) The treatment on the low concentration cefotaxime sodium simulated pharmaceutical wastewater:When the single treatment technology such as activated carbon method, Fenton reagent, Photo-oxidation technology and internal electrolysis technology was used, the treatment effect was unsatisfactory, the activated carbon method was the best among them but the CODcr removal of wastewater was just 52.6%.When the various advanced oxidation combined technologies such as active carbon/Fenton reagent, UV/Fenton reagent, UV/active carbon/Fenton reagent and enhanced internal electrolysis by aeration oxidation and deoxidation were used, the treatment effect was more improved and the CODcr removal of wastewater was all more than 77%.(2) The treatment on the high concentration cefotaxime sodium simulated pharmaceutical wastewater:When the various advanced oxidation combined technologies such as active carbon/Fenton reagent, UV/Fenton reagent and UV/active carbon/Fenton reagent were used in the low concentration treatment identical conditions, the CODcr removal of wastewater was little decline but the BOD5/CODcr of wastewater was more improved(all more than 0.5),the biochemical nature of wastewater was improved obviously. The treatment effect of UV/active carbon/Fenton reagent was the best in it:the CODcr removal of wastewater was 65.3% and the BOD5/CODcr was 0.75 for the simulated wastewater that CODcr concentration of water was 1134.8mg/L.When the cefotaxime sodium simulated pharmaceutical wastewater that CODcr concentration was 1134.8mg/L was treated by the advanced oxidation and SBR combined technologies (the UV/active carbon/Fenton reagent and SBR combined technologies), the total CODcr removal of wastewater was 82%.But When the simulated wastewater was treated by UV/active carbon/Fenton reagent, anaerobic and SBR combined technologies,the total CODcr removal of wastewater was rised to 92.3% and it had met the first class of GB8978-1996 industrial emission standards.(3) the treatment on the high concentration cefotaxime sodium simulated production wastewater using UV/active carbon/Fenton reagent and SBR combined technologies:When the cefotaxime sodium and acetone mixed simulated production wastewater that CODcr concentration was 1194.1mg/L was treated by the UV/active carbon/Fenton reagent and SBR combined technologies, the total CODcr removal of wastewater was 93.7% and it had met the first class of GB8978-1996 industrial emission standards.When the cefotaxime sodium, acetone and tetrahydrofuran mixed simulated production wastewater that CODcr concentration was 1007.2mg/L was treated by the UV/active carbon/Fenton reagent and SBR combined technologies, the total CODcr removal of wastewater was 90.4% and it had met the first class of GB8978-1996 industrial emission standards.The overall experimental result showed that the treatment on difficult degradable cefotaxime sodium simulated pharmaceutical wastewater using UV/active carbon/Fenton reagent and SBR combined technologies was effective,and the technology provided a new treatment process for these kinds of wastewater.