Wastewater treatment; Cleaner production; Electrochemical oxidation and environmental catalysis; Nanomaterial design and synthesis; Catalyst characterization; Electrochemical kinetic study; Electro-Fenton and electro-membrane process (e.g. membrane electrolysis)

2009-2014  Ph.D. Tsinghua University, Beijing, China
2006-2009  M.S. Wuhan Safety and Environmental Protection Research  
 Institute,   Wuhan, China (A jointed research program with Tsinghua University, China)
2001-2005  B. S. Xi’an University of Architecture and Technology, Xi’an, China 

2014/01-present, Postdoctoral fellow, Advisor: Prof. Jianzhong Zheng
College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China 

2013/01-2013/05, Research intern (exchange student), Advisor: Dr. James      Farrell; Department of Chemical and Environmental Engineering, 
University of Arizona, Tucson, USA 

2009/08-2014/1, Graduate research Assistant, Advisor: academician Yi Qian; Vice Advisor: Prof. Chengwen Wang;  School of Environment, Tsinghua University, Beijing, China 

2006/08-2009/07, Graduate research assistant
Wuhan Safety and Environmental Protection Research Institute, Wuhan, China

2014 The outstanding presentation for The 7th Postdoc Academic Meeting of University of Chinese Academy of Sciences.
2013 The First-class scholarship, Tsinghua University
2012 The First-class scholarship, Tsinghua University
2011 The outstanding poster of The 5th National Doctoral Academic Meeting of China.
2011 The third-class scholarship of laboratory construction of Tsinghua University.
2010 The outstanding individual of School of Environment of Tsinghua University.
2009 The second-class scholarship of laboratory construction of Tsinghua University.
2005 The outstanding graduation thesis of Xi’an University of Architecture and Technology. 
2004 The first-class scholarship of Xi’an University of Architecture and Technology.

   

1. Li X Y, Zhu W., Wang C W, Zheng J Z. Recovery of potassium from landfill leachate concentrates using a combination of cation-exchange membrane electrolysis and magnesium potassium phosphate crystallization. Separation and Purification Technology, 2015. (Just accepted ) (IF = 3.1)
2. Li X Y, Zhu W, Wang C W, Zhang L W, Qian Y, Xue F Q, Wu Y. The electrochemical oxidation of biologically treated citric acid wastewater in a continuous-flow three-dimensional electrode reactor. Chemical Engineering Journal, (232), pp 495-502, 2013. (IF = 3.5)
3. Li X Y, Wang C W , Qian Y , Wang Y J , Zhang L W. Simultaneous removal of chemical oxygen demand, turbidity and hardness from biologically treated citric acid wastewater by electrochemical oxidation for reuse. Separation and Purification Technology, (107), pp281-288, 2013. (IF = 2.9)
4. Wang Y J*, Li X Y, Zhen M L, Zhang H P, Zhang Y., Wang C W. Electro-Fenton treatment of concentrates generated in nanofiltration of biologically pretreated landfill leachate. Journal of Hazardous Materials, (229), pp115-121, 2012. (IF = 3.9)
5. Deng Q , Li X Y, Zuo J E, Lin A, Logan B E. Power generation using an activated carbon fiber felt cathode in an upflow microbial fuel cell. Journal of Power Sources, 195(4), pp 1130-1135, 2010. (IF = 4.7)
6. Li X Y, Zhang L W, Wang C W. Review of disposal of concentrate streams from nanofiltration (NF) or reverse osmosis (RO) membrane process, Advanced Materials Research, 2 (518-523), pp3470-3475, 2012.
7. Li X Y , Wang C W. Phosphate removal from water by zero-valent iron/activated carbon fiber felt galvanic couples, Proceeding of Second International Conference of Mechanic Automation and Control Engineering, pp2367-2370, 2011.

Presentations
1. Li X Y, Wang C W, Zheng J Z, Enhanced electrochemical oxidation of Rhodamine B wastewater by Ti-Sn/Sb modified granular activated carbons, IWA-3rd Water Research Conference, Shenzhen, China, 2015 (Poster presentation, accepted).
2. Li X Y, Wang C W, Zhang L W, Qian Y, Wang Y J. Enhanced electrochemical oxidation of Rhodamine B by TiO2-coated granular activated carbon, Proceeding of Pacific Rim Meeting on Electrochemical and Solid-State Science, Honolulu, USA, 2012. (Oral presentation)
3. Li X Y , Wang C W, Zhang L W , Qian Y , Wang Y J. Electrochemical Treatment of Rhodamine B Simulated Wastewater Using Three-dimensional Electrode Reactor with Boron-doped Diamond Anode, Proceeding of The 63rd Annual Meeting of the International Society of Electrochemistry, Prague, Czech, 2012. (Poster presentation)
4. Li X Y, Wang C W, Zhang L W, Qian Y. Advanced treatment of biologically pretreated citric acid wastewater for reuse in Ti/RuO2/IrO2 anode system, Proceeding of 2011 International Conference on Environment Simulation and Pollution Control , Beijing, China, 2011. (Oral presentation)
5. Li X Y, Zhen L M, Wang Y J. E-Fenton treatment of Concentrates Generated in Nanofiltration of biologically pretreated Landfill Leachate, Proceeding of 2011 International Conference on Environment Simulation and Pollution Control, Beijing, China, 2011. (Oral presentation)

1. Chengwen Wang, Xinyang Li, Wei Zhu. Granular activated carbon electrodes modified by Sb doped TiO2-SnO2 catalysts and its preparation method. (Application No.: 201310665223.5)
2. Chengwen Wang, Xinyang Li, Wei Zhu. A wastewater treatment system using three-dimensional electrodes. (Application No.: 201310664896.9.)

1) Development of a cost-effective and environmental sustainable electrochemical process for mineralizing and degrading refractory organic contaminants, specially the preparation of three-dimensional electrodes (i.e. particle electrodes with high specific areas), synthesis of novel nano-electro-catalyst, as well as the study on their electrochemical mechanisms. 
2)  Resource recovery: potassium recovery from Nanofiltration or Reverse Osmosis concentrates using membrane electrolysis and magnesium potassium phosphate crystallization.

School of Environment, Tsinghua University