进水氨氮浓度对静置_好氧_缺氧SBR脱氮除磷性能影响.pdfVIP

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进水氨氮浓度对静置_好氧_缺氧SBR脱氮除磷性能影响.pdf

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2013,33(11) 1984~1992 China Environmental Science //SBR * ** ,, , , , ,,, ( , 410082) 4 (SBR)R1R2R3 R4 ,,,20,30,40,50mg/L // SBR .,R1R2R3 R4 82.3%92.8%92.6%89.1%, (TN) 97.2%88.6%84.5% 72.6%.,,.4 (SND), 14.7%16.6%17.8% 14.8%TN ,,, TN 0.57,4.43,6.61,13.70mg/L.,. ,,. X703 A 2013 Effect of influent ammonia concentration on biological nutrient removal in sequencing batch reactor with * ** static/aerobic/anoxic regime. XU De-chao, CHEN Hong-bo, LI Xiao-ming , YANG Qi , LUO Guan, PENG Bo, WANG Zhi-long, XIE Ji-ci, WU Xiu-qiong (College of Environmental Science and Engineering, Hunan University, Changsha 410082, China). China Environmental Science, 2013,33(11)1984~1992 Abstract To investigate the effect of influent ammonia concentration on biological nutrient removal (BNR) performance of sequencing batch reactor (SBR) with static/aerobic/anoxic configuration, fours SBRs (R1, R2, R3 and R4) were operated with influent ammonia concentration of 20, 30, 40and 50mg/L respectively. The results demonstrated that 82.3%, 92.8%, 92.6% and 89.1% of phosphorus (P) removal efficiencies and 97.2%, 88.6%, 84.5% and 72.6% of total nitrogen (TN) elimination efficiencies were respectively obtained in R1, R2, R3 and R4 during the long-term operation. It could be concluded that static phase without stirring could function as anaerobic phase in this process, and thus enhanced the biological phosphorus removal. Simultaneous nitrification-denitrification (SND) was observed in the four systems and achieved respective 14.7%, 16.6%, 17.8% and 14.8% of TN elimination. Post-denitrification was driven by glycogen, achieving 0.57, 4.43, 6.61 and 13