선택한 단어 수는 입니다.
최소 단어 이상 선택하여야 합니다.
최소 단어 이상 선택하여야 합니다.
선택한 단어 수는 30입니다.
최대 10 단어까지만 선택 가능합니다.
최대 10 단어까지만 선택 가능합니다.
제안 방법
- The removal rates of COD between the MBT wastewater and Fe3+ dosed wastewater were 24% and 27% respectively, and the supernatant color is much transparent in the case of Fe3+ dose. Also, making the MBT wastewater in pH of 3.5 and it was done by two cases of experiments whether adding Fe3+ immediately to the wastewater and agitating or agitating it for about 2 hours and adding Fe3+.
- In this study the respiration rate and BODU were measured to examine the possibility of biological treatment of MBT wastewater, followed by activated sludge experiment, after that experiments of activated sludge in the continuous process were performed by the chemically treated water using iron chelates complex and Fenton's reagent.
- However, it needed more alkali chemical which was used by the neutralization reaction in the wastewater treatment process when the pH was too low. It was accomplished that the pH of 3.5 was optimal for the MBT wastewater treatment, which was based on the experiment that acid-base neutralization reaction was performed in order to find the optimal quantities of H2SO4 for pH adjustment and NaOH for the neutralization reaction[Fig. 6].
- On the other hand, BODU involves in some sort of long-term effect. Therefore the experiments of BODU and activated sludge in batch type were performed in this study.
- MBT wastewater followed by proper pre-treatment was designed to combine with the wastewater of adjacent paper manufactory operating on the activated sludge process. Therefore the possibility of cooperative treatment of MBT wastewater was examined by the comparison of results of treated water(22,000 m3 /day) from paper manufactory in this study.
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