[1]李洪清,田宝义,赵新娟,等.针对北方某大型水库原水的预处理工艺研究[J].中国给水排水,2025,41(19):74-79.
LIHong-qing,TIANBao-yi,ZHAOXin-juan,et al.Pre-treatment Process of Raw Water from a Large Reservoir in Northern China[J].China Water & Wastewater,2025,41(19):74-79.
点击复制
LIHong-qing,TIANBao-yi,ZHAOXin-juan,et al.Pre-treatment Process of Raw Water from a Large Reservoir in Northern China[J].China Water & Wastewater,2025,41(19):74-79.
针对北方某大型水库原水的预处理工艺研究
中国给水排水[ISSN:1000-4062/CN:12-1073/TU]
卷:
第41卷
期数:
2025年第19期
页码:
74-79
栏目:
出版日期:
2025-10-01
- Title:
- Pre-treatment Process of Raw Water from a Large Reservoir in Northern China
- Keywords:
- raw water pre-treatment; high?speed flotation; ozonation; pulse adsorption of powdered activated carbon
- 摘要:
- 针对北方某大型水库原水水质问题，开展了高速气浮+臭氧氧化+粉末活性炭脉冲吸附组合工艺的预处理中试研究。当原水高锰酸盐指数为5.4~9.6 mg/L、藻类计数为（8 320~19 640）×104 个/L、叶绿素a为51.97~83.63 μg/L时，组合工艺处理后的出水高锰酸盐指数<3 mg/L，去除率>60%；藻类计数<2 000×104 个/L，去除率达86%~93%；叶绿素a<1 μg/L，去除率>98%。当原水中2-甲基异莰醇（2-MIB）≤200 ng/L时，组合工艺出水2-MIB≤10 ng/L；当原水2-MIB在200~400 ng/L之间时，组合工艺出水2-MIB≤30 ng/L，去除率>88%。当原水碱度较低时，投加碳酸氢钠后，组合工艺出水碱度高于原水碱度。试验结果表明，该组合工艺对藻类、有机物和2-MIB的去除率较高，对于高藻、高嗅味水库原水，适合采用此组合工艺进行预处理，处理后的水质能够满足下游以常规处理为主的净水厂对原水水质的要求。
- Abstract:
- A pilot-scale study was conducted to evaluate the pre-treatment effectiveness of an integrated process combining high-speed flotation, ozonation, and pulse adsorption of powdered activated carbon on the raw water quality sourced from a large reservoir in northern China. When the permanganate index of raw water ranged from 5.4 mg/L to 9.6 mg/L, the algae count was between 83.2 million per liter and 196.4 million per liter, and chlorophyll a concentration ranged from 51.97 μg/L to 83.63 μg/L, the permanganate index of the effluent from the combined process was reduced to below 3 mg/L, achieving a removal efficiency exceeding 60%. The algae count was effectively reduced to below 20 million per liter, with a removal efficiency of 86% to 93%. Chlorophyll a concentration was reduced to below 1 μg/L, with a removal efficiency of above 98%. When the concentration of 2-methylisoborneol (2-MIB) in raw water was not more than 200 ng/L, the concentration of 2-MIB in the effluent of the combined treatment process was below 10 ng/L. When the 2-MIB concentration in raw water ranged from 200 ng/L to 400 ng/L, the 2-MIB concentration in the effluent of the combined process remained below 30 ng/L, with a removal efficiency exceeding 88%. When the alkalinity of the raw water was relatively low, the alkalinity of the effluent from the combined process exceeded that of the raw water after the addition of sodium bicarbonate. This integrated process demonstrated a relatively high removal efficiency for algae, organic matters, and 2-MIB. It is therefore well?suited for use as a pre-treatment method for raw water sourced from reservoirs characterized by high algae count and high odor. The treated effluent quality met the intake requirements of downstream water purification plants that primarily employ conventional treatment processes.
相似文献/References:
[1]刘浩,臧海龙,耿安锋,等.青岛李村河污水处理厂类Ⅳ类标准提标扩建工程设计[J].中国给水排水,2023,39(2):52.
LIUHao,ZANGHai-long,GENGAn-feng,et al.Design of Quasi Class Ⅳ Discharge Standard Upgrading and Expansion Project in Qingdao Licunhe Wastewater Treatment Plant[J].China Water & Wastewater,2023,39(19):52.
[2]卢彪,杨志峰,马延强,等.青岛某市政用途全流程海水淡化厂工艺设计[J].中国给水排水,2023,39(4):47.
LUBiao,YANGZhi-feng,MAYan-qiang,et al.Process Design of a Whole-process Seawater Desalination Plant for Municipal Water Supply in Qingdao[J].China Water & Wastewater,2023,39(19):47.
[3]何才昌.高速气浮在伊朗大型海水淡化工程的应用[J].中国给水排水,2023,39(18):141.
HECai-chang.Application of High-speed Air Floatation in Large Seawater Desalination Project in Iran[J].China Water & Wastewater,2023,39(19):141.
更新日期/Last Update:
2025-10-01