刘轶文，天津大学环境科学与工程学院英才教授，博士生导师，德国“洪堡学者”，国家级青年人才。主要从事污水系统温室气体减排、排水管道系统管理与腐蚀防控、污水污泥资源化的研究。以第一/通讯作者发表SCI论文100余篇（近三年50余篇），论文他引近万余次，H指数67。担任 Journal of Environmental Management (JCR Q1)、Sustainable Horizons (ESCI)学术期刊的编辑。

• 污水系统温室气体（甲烷和氧化亚氮）减排
• 排水管道系统管理与腐蚀防治
• 水污染控制与污泥资源化
• 污水系统虚拟仿真

• 天津市自然科学二等奖

• (1) Yanying He, Xiang Li, Yingrui Liu, Haixiao Guo, Yufen Wang, Tingting Zhu, Yindong Tong, Yingxin Zhao, Bing-Jie Ni, Yiwen Liu*. Biodegradable Microplastics Increase N2O Emission from Denitrifying Sludge More Than Conventional Microplastics. Environmental Science & Technology Letters 2024, Accepted, https://doi.org/10.1021/acs.estlett.4c00363.
• (2) Yiwen Liu, Yingrui Liu*, Tianhang Zhao, Yanying He, Tingting Zhu, Hongxiang Chai*, Lai Peng*. Smaller Aerobic Granules Significantly Reduce N2O Production by Ammonia-Oxidizing Bacteria: Evidences from Biochemical and Isotopic Analyses. Environmental Science & Technology 2024, 58, 545-556.
• (3) Yanying He, Yingrui Liu, Xuecheng Li, Haixiao Guo, Tingting Zhu, Yiwen Liu*. Polyvinyl Chloride Microplastics Facilitate Nitrous Oxide Production in Partial Nitritation Systems. Environmental Science & Technology 2024, 58, 1954-1965.
• (4) Yufen Wang, Feng Chen, Haixiao Guo, Peizhe Sun, Tingting Zhu, Harald Horn, Yiwen Liu*. Permanganate (PM) pretreatment improves medium-chain fatty acids production from sewage sludge: The role of PM oxidation and in-situ formed manganese dioxide. Water Research 2024, 249, 120869.
• (5) Yufen Wang, Xiaomin Wang, Dongbo Wang, Tingting Zhu, Yaobin Zhang, Harald Horn, Yiwen Liu*. Ferrate pretreatment-anaerobic fermentation enhances medium-chain fatty acids production from waste activated sludge: Performance and mechanisms. Water Research 2023, 229, 119457.
• (6) Siru Liu, Haixiao Guo, Yufen Wang, Jiaqi Hou, Tingting Zhu, Yiwen Liu*. Peracetic acid activated by ferrous ion mitigates sulfide and methane production in rising main sewers. Water Research 2023, 245, 120584.
• (7) Yanying He, Yingrui Liu, Xuecheng Li, Tingting Zhu, Yiwen Liu*. Unveiling the roles of biofilm in reducing N2O emission in a nitrifying integrated fixed-film activated sludge (IFAS) system. Water Research 2023, 243, 120326.
• (8) Yu Xiang, Tengzhi Zhou, Siping Deng, Zhiyu Shao, Yiwen Liu*, Qiang He, Hongxiang Chai*. Nitrite improved nitrification efficiency and enriched ammonia-oxidizing archaea and bacteria in the simultaneous nitrification and denitrification process. Water Research X 2023, 21, 100204.
• (9) Yanying He, Yingrui Liu, Min Yan, Tianhang Zhao, Yiwen Liu*, Tingting Zhu, Bing-Jie Ni*. Insights into N2O turnovers under polyethylene terephthalate microplastics stress in mainstream biological nitrogen removal process. Water Research 2022, 224, 119037.
• (10) Lixin Tian, Haixiao Guo, Yufen Wang, Jiaqi Hou, Tingting Zhu, Yindong Tong, Peizhe Sun, Yiwen Liu*. Unveiling the Mechanism of Urine Source Separation- Derived Pretreatment on Enhancing Short-Chain Fatty Acid Yields from Anaerobic Fermentation of Waste Activated Sludge. Environmental Science & Technology 2022, 56, 16178-16188.