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The odor production characteristics of three typical odor-producing algae under water supply network environment
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Ya CHENG1, Yong-peng WU1, Jun-feng WANG2, Cai-yun MA1, Gang WEN1, Feng-lin WANG2, Ting-lin HUANG1, *
China Environmental Science | 2026, 46(1) : 161 - 167
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China Environmental Science | 2026, 46(1): 161-167
• Water Pollution Control •
The odor production characteristics of three typical odor-producing algae under water supply network environment
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Ya CHENG1, Yong-peng WU1, Jun-feng WANG2, Cai-yun MA1, Gang WEN1, Feng-lin WANG2, Ting-lin HUANG1, *
Affiliations
  • 1.Key Laboratory of Northwest Resource, Environment and Ecology of Ministry of Education, Shaanxi Provincial Key Laboratory of Environmental Engineering, Collaborative Innovation Center of Shaanxi Province for Water Pollution Control and Water Quality Security, Xi'an University of Architecture and Technology, Xi'an 710055, China
  • 2.Xi'an Water Supply Co., Ltd., Xi'an 710055, China
Published: 2026-01-20
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This study investigated the impacts of pipeline environmental factors (hydraulic shear force, temperature, darkness/light conditions, pipe materials) and continuous flow conditions on odor production characteristics of three typical odor-producing algae: Microcystis aeruginosa, Pseudanabaena galeata, and Oscillatoria. Key findings revealed that hydraulic shear force significantly promoted 2-MIB release in chain-forming Pseudanabaena galeata and filamentous Oscillatoria, with rupture rates exceeding 90% under high shear conditions. In contrast, spherical Microcystis aeruginosa exhibited structural tolerance with rupture rates below 30%. Temperature markedly influenced β-cyclocitral production in Microcystis aeruginosa, reaching 40ng/L at 30℃. Although low temperature induced cell rupture, it suppressed metabolic activity, resulting in lower odorant concentrations. Darkness and pipe materials showed limited effects, only slightly increasing rupture rates (<5%) and odorant concentrations (<8ng/L). Continuous flow experiments demonstrated accelerated 2-MIB release in Pseudanabaena galeata and Oscillatoria under high flow velocity, achieving peak concentrations (up to 85ng/L) within 0.5hours-significantly faster than batch experiments. The study identifies hydraulic shear force and temperature as primary control factors for odor production, providing scientific guidance for odor management in water distribution systems.

water distribution system  /  odorigenic algae  /  2-methylisoborneol(2-MIB)  /  geosmin(GSM)  /  β-cyclocitral
程亚, 吴永鹏, 王军锋, 马彩云, 文刚, 王峰林, 黄廷林. 供水管网环境下三种典型致嗅藻产嗅特性研究. 中国环境科学, 2026 , 46 (1) : 161 -167 .
Ya CHENG, Yong-peng WU, Jun-feng WANG, Cai-yun MA, Gang WEN, Feng-lin WANG, Ting-lin HUANG. The odor production characteristics of three typical odor-producing algae under water supply network environment[J]. China Environmental Science, 2026 , 46 (1) : 161 -167 .
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Year 2026 volume 46 Issue 1
75
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Article Info
  • Receive Date：2025-06-09
  • Online Date：2026-10-08
  • Published：2026-01-20
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History
  • Received：2025-06-09
Funding
Affiliations
    1.Key Laboratory of Northwest Resource, Environment and Ecology of Ministry of Education, Shaanxi Provincial Key Laboratory of Environmental Engineering, Collaborative Innovation Center of Shaanxi Province for Water Pollution Control and Water Quality Security, Xi'an University of Architecture and Technology, Xi'an 710055, China
    2.Xi'an Water Supply Co., Ltd., Xi'an 710055, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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