Shen Ye

Shen Ye  

Personal Particulars
Research Fellow
1 CREATE Way, CREATE Tower #15-02, E2S2
Office: CREATE Tower, #15-02
Phone: (65) 9396 6915


 Ph.D, Chemical & Biomolecular Engineering, National University of Singapore, Singapore,2014-2018.

 B. Eng., Chemical Engineering, Shanghai Jiao Tong University, China, 2010-2014.

Research Interests

Gasification of MSW;

Biochar gasification and production;

CFD simulation of reactors;

Research highlights

Ø  Nitrogen Removal and Energy Recovery from Sewage Sludge by Combined Hydrothermal Pretreatment and CO2 Gasification
·         A combined hydrothermal pretreatment and CO2 gasification process for removal of nitrogen from SS and production of energy via the gasification of the pretreated SS was proposed and investigated.

·         50% of nitrogen could be removed from SS during hydrothermal pretreatment.

·         57% reduction of ammonia emission was found through the proposed system.

·         Synergetic effect was found when co-gasifying hydrochar and leaves.

·         Cold gas efficiency of the co-gasification process of a 1/1 hydrochar/leaves blend by mass was enhanced to 66%.


Ø  CO2 gasification of woody biomass: Experimental study from a lab-scale reactor to a small-scale autothermal gasifier
·         Autothermal gasification with 15% CO2 addition was conducted in an 8-kW reactor.

·         Biochar obtained under CO2 condition had a moderate pH.

·         CO2 as gasification oxidant could produce comparable energy to air gasification.

·         Carbon conversion and cold gas efficiency were enhanced with CO2 addition.

·         Under the same equivalence ratio, less PM was emitted during 15% CO2 gasification.



[1] Y. Shen, C. He, X. Chen, A.A. Lapkin, W. Xiao, C.H. Wang, “Nitrogen removal and energy recovery from sewage sludge by combined hydrothermal pretreatment and CO2 gasification”, ACS Sustainable Chemistry & Engineering, 6 (12), 16629-16636 (2018).

[2] Y. Shen, X. Li, X. Cui, Z. Yao, C.H. Wang, “CO2 gasification of woody biomass: Experiment study from a lab-scale reactor to a small-scale autothermal gasifier”, Energy 170, 497-506 (2019).

[3] Y. Shen, M.T.T. Tan, C. Chong, W. Xiao, C.H. Wang, “An environmental friendly animal waste disposal process with ammonia recovery and energy production: Experimental study and economic analysis”, Waste Management, 68, 636-645 (2017).

[4] W.C. Yan, Y. Shen, S. You, S.H. Sim, Z.H. Luo, Y.W. Tong, C.H. Wang, “Model-Based Downdraft Biomass Gasifier Operation and Design for Synthetic Gas Production”, J. Cleaner Production, 178, 476-493 (2018). († Equal contribution).

[5] A. Uzi, Y. Shen, S. Kawi, A. Levy, C.H. Wang, “Permittivity and chemical characterization of woody biomass during pyrolysis and gasification”, Chem. Eng. J. 355, 255-268 (2019). († Equal contribution).

[6] X. Li, Y. Shen, X. Kan, T. K. Hardiman, Y. Dai, C.H. Wang, “Thermodynamic assessment of a solar/autothermal hybrid gasification CCHP system with an indirectly radiative reactor”, Energy, 142, 201-214 (2017).

[7] X. Cui, Y. Shen, Q. Yang, S. Kawi, Z. He, X. Yang, C.H. Wang, “Simultaneous syngas and biochar production during heavy metal separation from Cd/Zn hyperaccumulator (Sedum alfredii) by gasification”, Chem. Eng. J. 347, 543-551 (2018).

[8] H. Tong, Y. Shen, J. Zhang, C.H. Wang, T.S. Ge, Y.W. Tong, “A comparative life cycle assessment on four waste-to-energy scenarios for food waste generated in eateries”, Applied Energy, 225, 1143-1157 (2018).

[9] J.X. Zhang, X. Kan, Y. Shen, K.C. Loh, Y.J. Dai, C.H. Wang, Y.W. Tong. “A Hybrid Biological and Thermal Waste-To-Energy System with Heat Energy Recovery and Utilization for Solid Organic Waste Treatment.” Energy, 152, 214-222 (2018).

[10] X. Cui, H. Li, Z. Yao, Y. Shen, Z. He, X. Yang, H. Y. Ng, C.H. Wang, “Removal of nitrate and phosphate by chitosan composited beads derived from crude oil refinery waste: sorption and cost-benefit analysis”, Journal of Cleaner Production, 207, 846-856 (2018).

[11] CY Li, JY Wu, Y Shen, X Kan, YJ Dai, CH Wang, “Evaluation of a combined cooling, heating, and power system based on biomass gasification in different climate zones in the US”, Energy 144, 326-340,

Conference Publications/ Presentations

[1] Y. Shen, C. Chong, W.D. Xiao, C.H. Wang, “Struvite precipitation for ammonia removal for gasification”, 15th International Conference on Sustainable Energy Technologies (SET2016), Singapore, 20-22 July 2016.

[2] Y. Shen, W.C. Yan, W. Zhan, Y.W. Ng, Z.H. Luo, C.H. Wang, “Numerical Simulation of Downdraft Biomass Gasifier: Influence of Structure Designs Using CFD Simulation”, AIChE Annual Meeting, San Francisco, 12-18 November 2016.

[3] Y. Shen, C. Chong, W. Xiao, C.H. Wang, “Struvite Precipitation for Nitrogen Removal in Horse Manure for Gasification: Experimental Study and Economic Analysis”, AIChE Annual Meeting, San Francisco, 12-18 November 2016.

[4] Y. Shen, X. Li, Z. Yao, C.H. Wang, “Downdraft Biomass Gasifier Operation and Design for Synthetic Gas and Biochar Production”,Chinese Engineering Thermo-Physics Multiphase Flow and National Natural Science Foundation Annual Meeting, Beijing, China 19-21 October 2018.

[5] Y. Shen, X. Kan, C.H. Wang, “Investigation on CO2 co-Gasification of Horticultural Waste and Sewage Sludge for Energy Production”, AIChE Annual Meeting, Pittsburgh, USA, 28 October – 2 November, 2018.

[6] Z. Yao, Y. Shen, W.C. Yan, Y. Dai, Y.W. Tong, C.H. Wang, “Numerical simulation and experimental study of fixed bed downdraft gasifier”, AIChE Annual meeting (November 2015), AIChE Annual Meeting, Salt Lake City, Utah, USA, 7-13 November 2015.

[7] T. Maneerung, Y. Shen, C.H. Wang, “Fixed-bed downdraft gasification of waste and biomass: Conversion process analyses, and solid residues reutilization”, 4th International Conference on Sustainable Chemical Product and Process Engineering (SCPPE 2016), Nanjing, Novotel Hotel, May 31 – June 3, 2016.

[8] X. Kan, Y. Shen, Z. Yao, Y. Dai and C.H. Wang, “Numerical Study on Utilization of Biogas and Syngas Produced from Municipal Solid Waste in Internal Combustion Engine”, AIChE Annual Meeting, San Francisco, 12-18 November 2016.

[9 ] C.H. Wang, Y. Shen, W. Xiao, M.T.T. Tan, C. Chong, “Ammonia removal by struvite precipitation for horse manure waste gasification: Experimental study and economic analysis”, 10th World Congress of Chemical Engineering, Barcelona, Spain, 1-5 October, 2017.

[10] A. Uzi, Y. Shen, H. Wang, A. Levy, C.H. Wang, “Investigation of Sludge Conversion During Gasification Process Using Electrical Capacitance Tomography”, World Congress of Particle Technology, 22-26 April, Orlando, USA,2018

[11] P Dong, T. Maneerung, Z. Yang, Y Shen, X Kan, K.G. Neoh, C.H. Wang,, Y.W. Tong, Y. Dai C. Chong, “Co-gasification of Woody Biomass and Solid Waste for Clean Energy Production”, 14th International Conference on Sustainable Energy Technologies, Nottingham, UK, 25-27 August 2015.

[12] W.C. Ng, R. Ling, Y. Shen, Y. Dai, C.H. Wang, ‘Co-gasification of woody biomass and chicken manure for syngas production and reutilization of gasification derived biochar for water pollutant removal’, 15th International Conference on Sustainable Energy Technologies (SET2016), Singapore, 20-22 July 2016.

[13] X. Yang, Y.S. Ok, W. Ng, Y. Shen, C.H. Wang, 4th Asia Pacific Congress of Biochar, “Characterization and ecotoxicological investigation of biochar produced via slow pyrolysis: effect of feedstock composition and pyrolysis conditions”, Forshan, China, 3-4 November 2018.

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