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Operational optimization and energy performance evaluation of an integrated AnMBR-PN/A system for methylamine wastewater treatment
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Xuan DENG1, Song CHEN1, He-xiang ZHAO1, 2, Bo-wen DU2, Yu YANG2, Jing-wei FU1, Qian LI1, *, Yu-you LI3, Rong CHEN1
China Environmental Science | 2025, 45(10) : 5517 - 5524
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China Environmental Science | 2025, 45(10): 5517-5524
• Water Pollution Control •
Operational optimization and energy performance evaluation of an integrated AnMBR-PN/A system for methylamine wastewater treatment
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Xuan DENG1, Song CHEN1, He-xiang ZHAO1, 2, Bo-wen DU2, Yu YANG2, Jing-wei FU1, Qian LI1, *, Yu-you LI3, Rong CHEN1
Affiliations
  • 1.Department of Environment and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
  • 2.Hualu Engineering & Technology Co. LTD, Xi'an 710065, China
  • 3.Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan
Published: 2025-10-20
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An AnMBR-PN/A system was developed for methylamine wastewater treatment. At optimal HRTs (AnMBR:8h, PN/A:9h), it achieved >95% COD and >86% TN removal, with effluent <5mg/L NH4+-N and <15mg/L TN (meeting Class 1A standards). Net energy potential reached 0.72 with partial recovery, while energy-generating gases provided economic benefits. Versus A2/O, this system reduces operational costs and demonstrates dual advantages in energy conservation and emission reduction.

anaerobic membrane bioreactor (AnMBR)  /  partial nitrification/anammox (PN/A)  /  methylamine wastewater  /  mass balance  /  energy consumption analysis
邓萱, 陈松, 赵鹤翔, 杜博文, 杨俞, 付静薇, 李倩, 李玉友, 陈荣. AnMBR-PN/A处理甲胺废水工况优化及能耗评价. 中国环境科学, 2025 , 45 (10) : 5517 -5524 .
Xuan DENG, Song CHEN, He-xiang ZHAO, Bo-wen DU, Yu YANG, Jing-wei FU, Qian LI, Yu-you LI, Rong CHEN. Operational optimization and energy performance evaluation of an integrated AnMBR-PN/A system for methylamine wastewater treatment[J]. China Environmental Science, 2025 , 45 (10) : 5517 -5524 .
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Year 2025 volume 45 Issue 10
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  • Receive Date：2025-03-07
  • Online Date：2026-10-08
  • Published：2025-10-20
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  • Received：2025-03-07
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Affiliations
    1.Department of Environment and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
    2.Hualu Engineering & Technology Co. LTD, Xi'an 710065, China
    3.Graduate School of Engineering, Tohoku University, Sendai 980-8579, Japan
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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
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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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