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Ph.D. in Environmental Science and Engineering, July 2005, Tsinghua University, Beijing, China

B.S. in Environmental Engineering, July 2000, Tsinghua University, Beijing, China

2023.12-present Professor, School of Environment, Tsinghua University, China

2010.12-2023.12 Associate Professor, School of Environment, Tsinghua University, China

2011-2012 Visiting Scholar, School of Engineering, Duke University, USA

2005-2010 Assistant Professor, Department of Environmental Science and Engineering, Tsinghua University, China

TEACHING

40050202: Perceptual Practice

70050313: Fundamentals of Environmental Biotechnology

30050092: English for Environmental Professionals

STUDENTS/POST-DOCTORS ADVISED

Yang Xu, Post-doctor

Insun Kang (South Korea), PhD candidate

Zenab Baig (Pakistan), PhD candidate

Lu Meng, MSc candidate

Bowen Pang, MSc candidate

Guangchun Wang, MSc candidate

Marvin Yeung (USA), MSc candidate

Prakit Saingam (Thailand), MSc (2016)

Shuli Zhao, MSc (2015)

Yi He, ME (2014)

Yun Ouyang, MSc (2014)

Zhichao Wang, MSc (2013)

Feng Gu, MSc (2011)

Areas of Research Interests

1. Biological control of volatile organic compounds (VOCs) and odorants

2. Interpretation and regulation of environmental microbial communities

3. Control of harmful microorganisms

Research Status

1. Biomass control by low concentration ozone injection in VOCs biofilters: Mechanisms and control method, project of National Natural Science Foundation of China, 2014-2017

2. Odor control technology and system in municipal wastewater treatment plants. Major project for water pollution control, 2010-2015

Selected journal papers:

1. Zhuqiu Sun, Jinying Xi^*, Chunping Yang, Wenjie Cong. Quorum sensing regulation methods and their effects on biofilm in biological waste treatment systems: A review, Frontiers of Environmental Science and Engineering, 2022, 16(7): 87-99

2. Lichao Lu, Dong Dong, Marvin Yeung, Zhuqiu Sun, Jinying Xi^*. Sustaining low pressure drop and homogeneous flow by adopting a fluidized bed biofilter treating gaseous toluene, Chemosphere, 291(3): 132951

3. Zhuqiu Sun, Jinying Xi^*, Marvin Yeung, Lichao Lu. Two quorum sensing enhancement methods optimized the biofilm of biofilters treating gaseous chlorobenzene [J]. Science of Total Environment, 2022, 807(1): 150589

4. Zhuqiu Sun, Bairen Yang, Marvin Yeung, Jinying Xi^*. Quorum sensing improved the low-temperature performance of biofilters treating gaseous toluene, Journal of Hazardous Materials, 2022, 437: 129277

5. Marvin Yeung, Prakit Saingam, Yang Xu, Jinying Xi. Low-dosage ozonation in gas-phase biofilter promotes community diversity and robustness. Microbiome, 2021, 9(1): 14-23

6. Zhuqiu Sun, Cheng Ding, Jinying Xi, Lichao Lu, Bairen Yang. Enhancing biofilm formation in biofilters for benzene, toluene, ethylbenzene, and xylene removal by modifying the packing material surface, Bioresource Technology, 2020, 296: 122335-122341

7. Lichao Lu, Guangchun Wang, Marvin Yeung, Jinying Xi, Hong-Ying Hu. Shift of microbial community in gas-phase biofilters with different inocula, inlet loads and nitrogen sources, Process Biochemistry, 2020, 91: 57–64

8. Lichao Lu, Dong Dong, Zenab Tariq Baig, Marvin Yeung, Jinying Xi. Development of a novel fungal fluidized bed reactor for gaseous ethanol removal, Chemosphere, 2020, 244: 125529-125535

9. Guangliang Tian, Jinying Xi, Marvin Yeung, Gufeng Ren. Characteristics and mechanisms of H2S production in anaerobic digestion of food waste, Science of the Total Environment, 2020，724:137977

10. Zhuqiu Sun, Bowen Pang, Jinying Xi, Hong-Ying Hu. Screening and characterization of mixotrophic sulfide oxidizing bacteria for odorous surface water bioremediation, Bioresource Technology, 2019, 290: 121721-121727

11. Hairong Wang, Boya Fu, Jinying Xi^*, Hong-Ying Hu, Peng Liang, Xia Huang, Xiaoyuan Zhang^*. Remediation of simulated malodorous surface water by columnar air-cathode microbial fuel cells, Science of the Total Environment, 2019, 687: 287-296

12. Prakit Saingam, Zenab Baig, Yang Xu, Jinying Xi. Effect of ozone injection on the long-term performance and microbial community structure of a VOCs biofilter, Journal of Environmental Science, 2018, 69: 133-140

13. In-Sun Kang, Jinying Xi, Hong-Ying Hu. Photolysis and photooxidation of typical gaseous VOCs by UV Irradiation: Removal performance and mechanisms, Frontiers of Environmental Science and Engineering, 2018, 12(3): 8

14. Zenab Tariq Baig, Lu Meng, Prakit Saingam and Jinying Xi. Ozonation and depolymerization of extracellular polymeric substances (EPS) extracted from a biofilter treating gaseous toluene, Polymers, 2018, 10(7): 763-773

15. Zhuqiu Sun, In-Sun Kang, Qianyuan Wu, Jinying Xi, and Hongying Hu. Biotoxicity of water-soluble UV photodegradation products for 10 typical gaseous VOCs, Int J Environ Res Public Health, 2018, 15(7), 1520-1529

16. Jinying Xi， Feng Zhang， Yun Lu，Hong-Ying Hu. A novel model simulating reclaimed water disinfection by ozonation. Separation & Purification Technology, 2017, 179: 45-52

17. Bowen Pang, Chenghong Jiang, Marvin Yeung, Yun Ouyang, Jinying Xi. Removal of dissolved sulfides in aqueous solution by activated sludge: mechanism and characteristics. Journal of Hazardous Materials, 2016, 324(Pt B):732-738

18. Yang Xu, Prakit Saingam, Feng Gu, Jinying Xi, Hong-Ying Hu. The effect of injected ozone on the microbial metabolic characteristics in biofilters treating gaseous toluene. Ecological Engineering, 2016, 94, 174-181

19. Prakit Saingam, Jinying Xi, Yang Xu, and Hong-Ying Hu. Investigation of the characteristics of biofilms grown in gas-phase biofilters with and without ozone injection by CLSM technique, Applied Microbiology and Biotechnology, 2016, 100(4): 2023–2031

20. Lu Meng, Jinying Xi, Marvin Yeung. Degradation of extracellular polymeric substances (EPS) extracted from activated sludge by low-concentration ozonation, Chemosphere, 2016, 147: 248-255

21. Jinying Xi, Insun Kang, Hong-Ying Hu, Xian Zhang. A biofilter model for simultaneous simulation of toluene removal and filter bed pressure drop under varied inlet loadings, Frontiers of Environmental Science and Engineering, 2015, 9(3): 554-562

22. Jinying Xi, Prakit Saingam, Feng Gu, Hong-Ying Hu, Xuefei Zhao. Effect of continuous ozone injection on performance and biomass accumulation of biofilters treating gaseous toluene, Applied Microbiology and Biotechnology, 2014, 98(22): 9437-9446

23. Can Wang, Jin-Ying Xi, Hong-Ying Hu, Yuan Yao. Stimulative Effects of Ozone on a Biofilter Treating Gaseous Chlorobenzene. Environ. Sci. Technol. 2009, 43(24): 9407–9412

24. Wang Can, Xi Jin-ying, Hu Hong-ying, Yao Yuan. Effects of UV pretreatment on microbial community structure and metabolic characteristics in a subsequent biofilter treating gaseous chlorobenzene. Bioresource Technology. 2009, 100(23), 5581-5587

25. Wang Can, Xi Jin-ying, Hu Hong-ying, Yao Yuan. Advantages of combined UV photodegradation and biofiltration processes to treat gaseous chlorobenzene. Journal of Hazardous Materials, 2009, 171(1-3): 1120-1125

Patents:

1. An integrated packing media for biological control of organic and odorous gas, 2007101778123

2. A screening method for high efficient microbes based on microplate cultivation, 201310129713.3

3. A method to optimize the long-term performance of VOCs biofilters by ozone injection, 201010272732.8

4. A method to control the bioaerosols emitted from the biofilters, 200810116517.1

5. A mobile H2S monitoring equipment, 201520569269.1

Books:

1. Xi Jinying, Wang Can, Wu Junliang. Characterization and control of industrial VOCs gas. Beijing: China Environmental Science Press, Dec 2014

2. Wang Can, Xi Jinying, Hu Hongyinig. UV-biofiltration of VOCs gas: fundamentals and applications. Beijing: Chemical Industry Press, May 2014

3. Hu Hongying, Zhang Xu, Huang Xia, Wang Wei, Xi Jinying. Theory of Environmental Engineering (3rd Edition). Beijing: Higher Education Press, Aug 2015