YANG Hong,BAI Wen-long,MEI Xiao-le,et al.Adjustment and Analysis of Nitrogen and Phosphorus Removal Process to Resist Winter in Cold Regions[J].China Water & Wastewater,2021,37(6):107-111.
寒冷地区冬季脱氮除磷工艺调控及效果分析
- Title:
- Adjustment and Analysis of Nitrogen and Phosphorus Removal Process to Resist Winter in Cold Regions
- Keywords:
- sewage treatment; oxidation ditch; low temperature; denitrification
- 摘要:
- 内蒙古自治区某污水处理厂冬季运行过程中，针对低温下脱氮、除磷效果差，药剂投加量大等问题，结合污水厂实际工程情况，将卡鲁塞尔氧化沟的厌氧池用作反硝化池，通过延长水力停留时间、增加污泥龄、加大回流比、依据水温梯级投加碳源等工艺调节措施，强化脱氮；深度处理的混凝反应池用于强化化学除磷。采取这些工艺调节措施后，使得该污水厂冬季运行成本降低了0.17 元/m3，在水温<6 ℃的情况下,出水水质稳定达到一级A标准,可为寒冷地区类似工艺污水厂冬季运行提供参考。
- Abstract:
- To improve the removal efficiency of nitrogen and phosphorus and to reduce the chemical dosage of a sewage treatment plant in Inner Mongolia autonomous region in winter, a sequence of measures was adopted to strength denitrification such as using anaerobic tank as denitrification tank in the Carrousel oxidation ditch, extending hydraulic retention time, increasing sludge age and reflux ratio, dosing carbon source step by step based on water temperature. Phosphorus removal was enhanced by chemical coagulant in advanced treatment stage. The adjustment of treatment process reduced operating cost by 0.17 yuan/m3, in the same time, the effluent quality has been achieved the first level A criteria specified in the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002) even in the extreme case of water temperature below 6 ℃, which could be reference for similar wastewater treatment plant in cold area in winter.
相似文献/References:
[1]王玉华,汤锦锋,汪 健.污水厂氧化沟基桩倾斜原因分析及加固处理[J].中国给水排水,2018,34(22):71.
WANG Yu-hua,TANG Jin-feng,WANG Jian.Reason Analysis and Reinforcement Treatment of Inclined Pile in Oxidation Ditch of WWTP[J].China Water & Wastewater,2018,34(6):71.
[2]张莹,王昌稳,李军,等.投加微粉强化低浓度生活污水活性污泥好氧颗粒化[J].中国给水排水,2018,34(21):12.
ZHANG Ying,WANG Chang wen,LI Jun,et al.Strengthening Aerobic Granulation of Activated Sludge by Adding Micro Powder in Low Concentration Sewage Treatment[J].China Water & Wastewater,2018,34(6):12.
[3]卢如,巨志剑,杜琼.采用A/O工艺的污水处理厂提标改造工程设计[J].中国给水排水,2018,34(20):56.
LU Ru,JU Zhi jian,DU Qiong.Upgrading and Reconstruction Project Design of Wastewater Treatment Plant with A/O Process[J].China Water & Wastewater,2018,34(6):56.
[4]王连杰,李金河,郑兴灿,等.城镇污水系统中病毒特性和规律相关研究分析[J].中国给水排水,2020,36(6):14.
[5]顾玉中,黄学军,金秋景,等.污水处理厂轴流泵电流爬升的原因及解决方法[J].中国给水排水,2020,36(10):119.
[6]王凯,高波,张磊,等.危废处置中心污水分质处理工艺设计及运行经验[J].中国给水排水,2020,36(16):69.
WANG Kai,GAO Bo,ZHANG Lei,et al.Experience in Design and Operation of Wastewater Separate Treatment in the Hazardous Waste Disposal Center[J].China Water & Wastewater,2020,36(6):69.
[7]李爽,王向阳,郝晓地,等.全生命周期评价在污水处理中的研究与应用[J].中国给水排水,2020,36(18):32.
LI Shuang,WANG Xiang-yang,HAO Xiao-di,et al.Research and Application of Life Cycle Assessment in Wastewater Treatment[J].China Water & Wastewater,2020,36(6):32.
[8]尹真真,赵丽,范围,等.城市生活污水厂处理工业废水的运营管理对策[J].中国给水排水,2020,36(24):54.
YIN Zhen-zhen,ZHAO Li,FAN Wei,et al.Suggestions on Operation and Management of Urban Domestic Sewage Treatment Plant Handled Industrial Wastewater[J].China Water & Wastewater,2020,36(6):54.
[9]Jan Vymazal,卫婷,赵亚乾,等.细数植物在人工湿地污水处理中的作用[J].中国给水排水,2021,37(2):25.
Jan Vymazal,WEI Ting,ZHAO Ya-qian,et al.Counting the Roles of Plants in Constructed Wetlands for Wastewater Treatment[J].China Water & Wastewater,2021,37(6):25.
[10]彭冠平,黄文海,刘军,等.武汉火神山、雷神山医院污水处理工程设计[J].中国给水排水,2021,37(2):42.
PENG Guan-ping,HUANG Wen-hai,LIU Jun,et al.Sewage Treatment Project Design of Wuhan Huoshenshan and Leishenshan Hospitals[J].China Water & Wastewater,2021,37(6):42.