ZHENG Feng,MU Yang,SUN Xun.MBR Process Used in Expansion Project of a Sewage Treatment Plant in Shandong Province[J].China Water & Wastewater,2020,36(18 18):81-84.
MBR Process Used in Expansion Project of a Sewage Treatment Plant in Shandong Province
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第36卷
Number:
18 18
Page:
81-84
Column:
Date of publication:
2020-09-17
- Abstract:
- The existing design scale of a sewage treatment plant in Shandong is 20×104 m3/d, using AAO in the form of oxidation ditch + fiber bundle filtration process. The effluent reached the first class A level criteria specified in Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant（GB 18918-2002）. The scale of the expansion project is 10×104 m3/d, covering an area of 4 hm2. The designed effluent COD≤45 mg/L, NH3-N≤2(3.5) mg/L, TP≤0.4 mg/L, and the other indicators should reach the first class A level of GB 18918 -2002. Based on the small footprint of the expansion project and high water discharge standards, the design adopted pretreatment+AAO+MBR+ultraviolet disinfection process, and supplemented by measures such as chemical phosphorus removal and carbon source addition. And the plant area adopted an overall layout to save land. After the project was completed, the operation effect was stable. The average values of BOD5, COD, NH3-N, SS, TN and TP of effluent water were 2.2 mg/L, 11.7 mg/L, 0.3 mg/L, 4.1 mg/L, 9.6 mg/L and 0.12 mg/L, respectively. All were better than design standards.
Last Update:
2020-09-17