过碳酸钠对水源水库典型产嗅藻生长的影响

韩正双; 刘强; 刘禧文; 王璇; 闫慧敏; 文刚; 黄廷林; 李凯

doi:10.13205/j.hjgc.202610011

过碳酸钠对水源水库典型产嗅藻生长的影响

doi: 10.13205/j.hjgc.202610011

韩正双^1,2,
刘强¹,
刘禧文²,
王璇²,
闫慧敏²,
文刚¹,
黄廷林¹,
李凯^1, ,

1. 西安建筑科技大学环境与市政工程学院陕西省环境工程重点实验室陕西省水污染控制与水质安全保障协同创新中心, 西安 710055;
2. 天津市公用事业设计研究所, 天津 300100

基金项目:

国家自然科学基金面上项目（52470015）；天津水务集团有限公司科技项目（2024KY-04）

详细信息

作者简介:
韩正双（1985—），男，高级工程师，主要研究方向为水处理与水环境治理技术。hit08hzs@163.com

通讯作者:
李凯（1987—），男，教授，主要研究方向为水库水质污染控制。likai@xauat.edu.cn

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出版历程
- 收稿日期: 2026-03-31
- 网络出版日期: 2026-11-10

Effects of sodium percarbonate on growth of typical odor-producing algae in source water reservoirs

1. Shaanxi Key Laboratory of Environmental Engineering, Collaborative Innovation Center of Water Pollution Control and Water Quality Security Assurance of Shaanxi Province, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China;
2. Tianjin Public Utility Design & Research Institute, Tianjin 300100, China

摘要

摘要: 水源水库藻源嗅味问题日益突出，严重影响饮用水感官品质。过碳酸钠（SPC）作为一种环境友好的固体氧化剂，在抑藻控嗅方面具有应用潜力。研究选取3种典型产嗅蓝藻，探究SPC的氧化效果及抑藻控嗅最适投加量。结果表明：3种蓝藻对SPC的敏感性强弱排序为假鱼腥藻>铜绿微囊藻>鱼腥藻。无论在单藻培养还是混合培养条件下，投加3 mg/L SPC在1 d内对3种藻均有较好的去除效果，虽导致胞内结合态2-甲基异莰醇（2-MIB）和土臭素（GSM）释放，但溶解态嗅味物质逐渐挥发，且在后续培养中藻密度与嗅味物质均未再增长，表明其具有良好的抑藻控嗅效果。同时，水体中H₂O₂含量在1 d内完全去除，不会对环境产生持续性影响。藻类混合培养会增强抗氧化性，从而削弱低浓度SPC（1.5 mg/L）对藻生长的抑制作用。基于上述结果，推荐在实际应用中采用3 mg/L SPC投加量，以实现较为稳定的抑藻控嗅效果。
- 水源水库 /
- 产嗅藻 /
- 过碳酸钠 /
- 2-甲基异莰醇 /
- 土臭素
Abstract: Algal-derived odor problems in source water reservoirs have become increasingly prominent， severely impairing the sensory quality of drinking water. As an environmentally friendly solid oxidant， sodium percarbonate （SPC） shows considerable potential in algal inhibition and odor control. In this study， three typical odor-producing cyanobacterial species were selected to investigate the oxidative effects of SPC and determine its optimal dosage for algal inhibition and odor control. The results showed that the sensitivity of the three cyanobacteria to SPC followed an order of： Pseudanabaena cinerea > Microcystis aeruginosa > Anabaena. Under both monoculture and mixed-culture conditions， 3 mg/L SPC achieved effective removal of all three species within one day. Although intracellularly bound 2-methylisoborneol （2-MIB） and geosmin （GSM） were released， the dissolved odorants gradually volatilized. Moreover， neither algal density nor odor compounds concentrations increased during subsequent cultivation， indicating effective algal suppression and odor control. Meanwhile， H₂O₂ in the water was completely decomposed within one day， suggesting that SPC does not have persistent environmental impacts. Mixed algal culture enhanced antioxidant capacity， thereby weakening the inhibitory effect of low-concentration SPC （1.5 mg/L） on algal growth. Based on these findings， a dosage of 3 mg/L SPC is recommended for practical applications to achieve more stable and effective algal inhibition and odor control.
- source water reservoirs /
- odor-producing algae /
- sodium percarbonate /
- 2-methylisoborneol （2-MIB） /
- geosmin （GSM）

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