Publications

Scopus ID: 23094671900; http://orcid.org/0000-0001-7262-1453; Shao-Yuan (Ben) Leu - Google Scholar; †our student; ^our research staff/visiting scholar; *correspondence; and IF = impact factors

  1. Mou, J.-H., Qin, Z.-H., Chen, S.S., Leu, S.-Y., Tsang, D.C.W., Lam, J.C.-H., Zhao, J., Yuan, Z., Xu, C.*, Lin, C.S.K.* (2024) Key techno-economic barriers in the valorization of organic solid wastes for chemical production. One Earth, 7(5), 742-746. [IF: 16.2]
  2. Yi, Z., Fu, S., Wang, Y., Ai, J., Hu, C., Leu, S.-Y., and Halim, A. (2024) Sustainable Straws from Agricultural Waste Fibers with Excellent Toughness, Water Resistance, and Biodegradability. ACS Sustainable Chemistry & Engineering, 12(20), 7802-7812.
  3. Patria, R.D.†, Rehman, S.^, Yuen, C.B.^, Lee, D.-J., Vuppaladadiyam, A.K.^, Leu, S.-Y.* (2024) Energy-environment-economic (3E) hub for sustainable plastic management – Upgraded recycling, chemical valorization, and bioplastics. Applied Energy, 357, 122543.
  4. Li, X.†, Han, S.†, Wang, P., Mei, H., Ning, Z., Dong, F., Cui, L., Huang, Y., Wang, T., Leu, S.-Y., Wang, M., Lee, S.C. (2024). Application of roadside air purifiers in urban street canyons: A pilot-scale study in Hong Kong. Science of the Total Environment, 912, 168671.
  5. Lan, X., Fu, S., Song, J., Leu, S.-Y., Shen, J., Kong, Y., Kang, S., Yuan, X. and Liu, H. (2024) Structural changes of hemicellulose during pulping process and its interaction with nanocellulose. International journal of biological macromolecules, 255, 127772.
  6. Lan, X., Fu, S., Lucia, L.A., Zhang, Z., Song, J., Leu, S.-Y., Kong, Y., Kang, S., Liu, H. and Shen, J. (2023) A New Recognition of the Binding of Cellulose Fibrils in Papermaking by Probing Interaction between Nanocellulose and Cationic Hemicellulose. SSRN 4533410.
  7. Khan, R.J.†, Lau, C.Y.†, Farid, M.U., Islam†, M.K., An, A.K., Yi, J. and Leu, S.-Y.* (2024) Woody biomass derived nano lignin-enabled membrane with high structural stability for efficient wastewater treatment. Process Safety and Environmental Protection, 182, pp.595-607.
  8. Xu, L., Cao, M., Zhou, J., Pang, Y., Li, Z., Yang, D., Leu, S.-Y., Lou, H., Pan, X. and Qiu, X., (2024) Aqueous amine enables sustainable monosaccharide, monophenol, and pyridine base coproduction in lignocellulosic biorefineries. Nature Communications, 15.
  9. Farid, M.U., Kharraz, J.A., Sharma, S., Khan, R.J., Khanzada, N.K., Deka, B.J., Nallapaneni, M.K., Chopra, S.S., Leu, S.-Y., Hasan, S.W., Hilal, N., An, AK (2023) Technological advancements in water heating approaches for membrane distillation desalination process: From bulk to localized heating. Desalination, 117235.
  10. Khan, R.J.†, Guan, J.†, Lau, C.Y.†, Zhuang, H.^, Rehman, S.^, and Leu, S.-Y.* (2023). Monolignol Potential and Insights into Direct Depolymerization of Fruit and Nutshell Remains for High Value Sustainable Aromatics. ChemSusChem, e202301306.
  11. Zhu, Y., Xie, F., Wun, T.C.K., Li, K., Lin, H., Tsoi, C.C., Jia, H., Chai, Y., Zhao, Q., Lo, B.T.W. and Leu, S.-Y., Jia, Y.W., Ran, K.G., Zhang, X.M. (2024) Bio‐Inspired Microreactors Continuously Synthesize Glucose Precursor from CO2 with an Energy Conversion Efficiency 3.3 Times of Rice, Advanced Science, 11(6), p.2470037.
  12. Khan, R.J.†, Lau, C.Y.†, Farid, M.U., Islam, M.K.†, An, A.K., Yi, J., Leu, S.-Y.* (2023) Woody biomass derived nano lignin-enabled membrane with high structural stability for efficient wastewater treatment. Process Safety and Environmental Protection, 182, 595-607.
  13. Rehman, S.^, Yang, Y.S., Patria, R.D.†, Zulfiqar, T., Khanzada, N.K., Khan, R.J.†, Lin, C.S.K., Lee, D.J. and Leu, S.-Y.* (2023) Substrate-related factors and kinetic studies of Carbohydrate-Rich food wastes on enzymatic saccharification. Bioresource Technology, 390, p.129858.
  14. Kong, Y., Fu, S., Yang, X., Leu, S.Y. and Hu, C. (2023) Cellulose Iβ Behaviors in Non-solvent Liquid Media: Molecular Dynamic Simulations. BioResources, 18(4).
  15. Huynh, Q.T., Huang, Q., Leu, S.-Y., Lin, Y.C., Liao, C.S., and Chang, K.L. (2023) Combination of deep eutectic solvent and functionalized metal-organic frameworks as a green process for the production of 5-hydroxymethylfurfural and furfural from sugars. Chemosphere, 140126.
  16. Xu, Q., Long, S., Liu, X.^, Duan, A., Du, M., Lu, Q., Leng, L.^, Leu, S.-Y., and Wang, D. (2023) Insights into the Occurrence, Fate, Impacts, and Control of Food Additives in Food Waste Anaerobic Digestion: A Review. Environ. Sci. & Tech. 57 (17), 6761-6775.
  17. Vuppaladadiyam, A.K.^, Vuppaladadiyam, S.S.V., Sikarwar, V.S., Ahmad, E., Pant, K.K., Murugavelh, S., Pandey, A., Bhattacharya, S., Sarmah, A. and Leu, S.-Y.* (2023) A critical review on biomass pyrolysis: Reaction mechanisms, process modeling and potential challenges. J. of the Energy Institute, p.101236.
  18. Huang, X., Mi, W., Chan, Y.H., Singh, S., Zhuang, H.^, Leu, S.-Y., Li, X.Z., Li, X. and Lee, P.H. (2023) CNS synergy in a pilot-scale mainstream anammox fluidized-bed membrane bioreactor for treating chemically enhanced primary treatment saline sewage. Water Res., 229, p.119475.
  19. Vuppaladadiyam, A.K.^, Vuppaladadiyam, S.S.V., Sahoo, A., Murugavelh, S., Anthony, E., Bhaskar, T., Zheng, Y., Zhao, M., Duan, H., Zhao, Y., Antunes, E., Sarmah, A., and Leu, S.-Y.* (2023) Bio-oil and biochar from the pyrolytic conversion of biomass: A current and future perspective on the trade-off between economic, environmental, and technical indicators. Sci. of Total Environ., 857, p.159155.
  20. Xu, L., Huang, J., Li, L., Zhuang, H.^*, Guo, Y., Zhang, R., Leu, S.-Y. & He, Q. (2023). Efficient Treatment and Simultaneous Energy Recovery from Cattle Wastewater by the Micro-Aerated UASB and SBR Coupled System. ACS ES&T Water. 3, 9, 3057–3071.
  21. Li, C., Wang, D. D., Poon Ho, G. S. H., Zhang, Z., Huang, J., Bang, K. T., Lau, C.Y., Leu, S.-Y., Wang, Y. & Kim, Y. (2023) Anthraquinone-Based Silicate Covalent Organic Frameworks as Solid Electrolyte Interphase for High-Performance Lithium-Metal Batteries. Journal of the American Chemical Society.
  22. Guan, J.†, Zhuang, H.†, Lau, C.Y.†, Leng, L.^, Yeung, C.S.^, Vuppaladadiyam, A.K.^, Wang, H.^, Tse, H.Y.† and Leu, S.-Y.* (2022) Energy and carbon footprint analysis of municipal wastewater treatment process integrated with food waste disposer, J. of Cleaner Production, 375, p.134063.
  23. Rehman, S.†, Leng, L.^, Zhuang, H.†, Vuppaladadiyam, A.K.,^ Lin, CSK, Leu, S.-Y.* (2022) Genomic insights to facilitate the construction of a high-xylose-utilization Enterococcus faecalis OPS2 for 2, 3-BDO production, Chemical Engineering Journal, 137617.
  24. Vuppaladadiyam, A.K.^, Vuppaladadiyam, S.S.V., Awasthi, A., Sahoo, A., Rehman, S.†, Pant, K.K., Murugavelh, S., Huang, Q., Anthony, E., Fennel, P. Bhattacharya, S., Leu, S.-Y.* (2022) Biomass pyrolysis: A review on recent advancements and green hydrogen production. Bioresource Technology, p.128087.
  25. Dong, C.†, Meng, X., Leu, S.-Y., Xu, L., Wu, Z., Cravotto, G. and Fang, Z. (2022) Enhancing α-etherification of lignin in Eucalyptus diol pretreatment to improve lignin monomer production. Industrial Crops and Products, 185, p.115130.
  26. Chen, P., Hu, C., Gu, J., Lin, X., Yang, C., Leu, S.-Y. and Guan, L. (2022) Pyrolysis characteristics of tea oil camellia (Camellia oleifera Abel.) shells and their chemically pre-treated residues: Kinetics, mechanisms, product evaluation and joint optimization. J. of Analytical and Applied Pyrolysis, 164, p.105526.
  27. Vuppaladadiyam, A.K.^, Vuppaladadiyam, V.S., Antunes, E., Baig, Z., Rehman, S.†, Murugavelh, S., Leu, S.-Y. and Sarmah, A.K. (2022) Pyrolysis of anaerobic digested residues in the presence of catalyst-sorbent bifunctional material: Pyrolysis characteristics, kinetics and evolved gas analysis. Bioresource Technology, 351, p.127022.
  28. Islam, M.K.†, Guan, J.†, Rehman, S.†, Patria, R.D.†, Hu, C., Guan, L., Leu, S.-Y.* and Vuppaladadiyam, A.K.^ (2022) N-Methyl-2-pyrrolidone pre-treatment of lignocellulose for high lignin yield and cellulose digestibility. Biomass Conversion and Biorefinery, pp.1-12.
  29. Patria, R.D.†, Rehman, S.†, Vuppaladadiyam, A.K.^, Wang, H.^, Lin, C.S.K., Antunes, E. and Leu, S.-Y.* (2022) Bioconversion of food and lignocellulosic wastes employing sugar platform: A review of enzymatic hydrolysis and kinetics. Bioresource Technology, p.127083.
  30. Zhuang, H.†, Tan, G.Y.A., Jing, H.†, Lee, P.H., Lee, D.J.^, and Leu, S.-Y.* (2022) Enhanced primary treatment for net energy production from sewage–the genetic clarification of substrate-acetate-methane pathway in anaerobic digestion. Chemical Engineering Journal, 431, 133416.
  31. Khan, R.J.†, Lau, C.Y.†, Guan, J.†, Lam, C.H.†, Zhao, J., Ji, Y., Wang, H.^, Xu, J., Lee, D.J., and Leu, S.-Y.* (2022) Recent advances of lignin valorization techniques toward sustainable aromatics and potential benchmarks to fossil refinery products. Bioresource Technology, 126419.
  32. Zhu, Y., Chen, Q., Tsoi, C.C., Huang, X., El Abed, A., Ren, K., Leu, S.-Y. and Zhang, X. (2022) Biomimetic reusable microfluidic reactors with physically immobilized RuBisCO for glucose precursor production. Catalysis Science and Technology, 12(16), pp.5009-5020.
  33. Khanzada, N.K., Deka, B.J., Kharraz, J.A., Wong, P.W., Jassby, D., Rehman, S.†, Leu, S.-Y., Kumar, M. and An, A.K. (2022) Elucidating the role of graphene oxide layers in enhancing N-Nitrosodimethylamine (NDMA) rejection and antibiofouling property of RO membrane simultaneously. Journal of Membrane Science, 643, 120043.
  34. Saritpongteeraka, K., Natisupacheevin, K., Tan, C., Rehman, S.†, Charnnok, B., Vaurs, L.P., Leu, S.-Y. and Chaiprapat, S. (2022) Comparative assessment between hydrothermal treatment and anaerobic digestion as fuel pretreatment for industrial conversion of oil palm empty fruit bunch to methane and electricity-A preparation study to full scale. Fuel, 310, 122479.
  35. Vuppaladadiyam, A.K.^, Antunes, E., Vuppaladadiyam, S.S.V., Baig, Z.T., Subiantoro, A., Lei, G., Leu, S.-Y.*, Sarmah, A.K. and Duan, H. (2022) Progress in the development and use of refrigerants and unintended environmental consequences. Sci. of the Total Environment, 153670.
  36. Dong, C.†, Leu, S.-Y., Fang, Z. and Miao, Z.D. (2022) Efficient saccharification of wheat straw pretreated by solid particle-assisted ball milling with waste washing liquor recycling. Bioresource Technology, 126721.
  37. Tse, H. Y.†; Yeung, C. S.^; Lau, C. Y.†; Cheung, M. Y.; Guan, J. Y.†; Islam, M. K.†; Anastas, P. T.; Leu, S.-Y.*, Green One-Pot Synthesis to Prepare Lignin/Photoacid Nanohybrid for Multifunctional Biosensor & Photo-Triggered Singlet Oxygen Generation Green Chem 2022 (accepted)
  38. Zhuang, H.†, Tan, G. Y. A., Jing, H.†, Lee, P. H., Lee, D.J.^, and Leu, S.-Y.* (2021). Enhanced primary treatment for net energy production from sewage–the genetic clarification of substrate-acetate-methane pathway in anaerobic digestion. Chemical Engineering Journal, 133416.
  39. Khan, R.J.†, Lau, C.Y.†, Guan, J.†, Lam, C.H.†, Zhao, J., Ji, Y., Wang, H.^, Xu, J., Lee, D.J., and Leu, S.-Y.* 2021. Recent advances of lignin valorization techniques toward sustainable aromatics and potential benchmarks to fossil refinery products. Bioresource Technology, p.126419.
  40. Khanzada, N.K., Deka, B.J., Kharraz, J.A., Wong, P.W., Jassby, D., Rehman, S.†, Leu, S.-Y., Kumar, M. and An, A.K., 2021. Elucidating the role of graphene oxide layers in enhancing N-Nitrosodimethylamine (NDMA) rejection and antibiofouling property of RO membrane simultaneously. Journal of Membrane Science, p.120043.
  41. Islam, M.K.†, Rehman, S.†, Guan, J., Lau, C.Y.†, Tse, H.Y.†, Yeung, C.S.^, and Leu, S.-Y.* (2021). Biphasic pretreatment for energy and carbon efficient conversion of lignocellulose into bioenergy and reactive lignin. Applied Energy, 303, 117653.
  42. Rehman, S.†, Islam, M.K.†, Khanzada, N.K., Zhuang, H.†, Wang, H.^, Chaiprapat, S., and Leu, S.-Y.* (2021). Sustainability index accounting food and carbon benefits on circular 2, 3-butanediol biorefinery with oil palm empty fruit bunches. Applied Energy, 303, 117667.
  43. Saritpongteeraka, K., Natisupacheevin, K., Tan, C., Rehman, S., Charnnok, B., Vaurs, L.P., Leu, S.-Y. and Chaiprapat, S., 2021. Comparative assessment between hydrothermal treatment and anaerobic digestion as fuel pretreatment for industrial conversion of oil palm empty fruit bunch to methane and electricity-A preparation study to full scale. Fuel, p.122479.
  44. Patria, R.D.†, Islam, M.K.†, Luo, L.W., Leu, S.-Y., Varjani, S., Xu, Y., Wong, J.W.C., Zhao, J. (2021) Hydroxyapatite-based catalysts derived from food waste digestate for efficient glucose isomerization to fructose, Green Synthesis and Catalysis. Doi: 10.1016/j.gresc.2021.08.004.
  45. Chan, K.-L.†, Ko, C.H.^, Chang, K.L., and Leu, S.-Y.* (2021). Construction of a Structural Enzyme Adsorption/Kinetics Model to Elucidate Additives Associated Lignin‐Cellulase Interactions in Complex Bioconversion System. Biotech. and Bioengin. Doi:10.1002/bit.27883.
  46. Jing, H.†, Wang, H.^, Lin, C.S.K., Zhuang, H.†, To, M.H., and Leu, S.-Y. (2021). Biorefinery potential of chemically enhanced primary treatment sewage sludge to representative value-added chemicals-a de novo angle for wastewater treatment. Bioresour. Technol., 125583 (IF: 7.539; this paper is fully from my team. The corresponding author is a postdoc fellow under my project).
  47. Qin, Z.H., Mou, J.H., Chao, C.Y.H., Chopra, S.S., Daoud, W., Leu, S.-Y., and Lin, C.S.K. (2021). Biotechnology of Plastic Waste Degradation, Recycling, and Valorization: Current Advances and Future Perspectives. ChemSusChem. Doi:10.1002/cssc.202100752.
  48. Yeung, C.S.^, TSE, H.-Y.†, Lau, C.Y.†, Guan J.†, Huang, J., Phillips, D.L., Leu, S.-Y.* (2021) Insights into unexpected photoisomerization from photooxidation of tribromoacetic acid in aqueous environment using ultrafast spectroscopy, J. of Hazardous Materials, 418, 126214.
  49. Zhuang, H.†, Lee, P.H., Wu, Z., Jing, H.†, Guan, J.†, Tang, X.†, Tan, G.Y.A., and Leu, S.-Y.* (2021) Genomic driven factors enhance biocatalyst-related cellulolysis potential in anaerobic digestion. Bioresour. Technol. 333, 125148.
  50. Rehman, S.†, Islam, M.K.†, Khanzada, N.K., An, A.K., Chaiprapat, S., and Leu, S.-Y.* (2021) Whole Sugar 2, 3-Butanediol Fermentation for Oil Palm Empty Fruit Bunches Biorefinery by a Newly Isolated Klebsiella pneumoniae PM2. Bioresour. Technol. 333, 125206.
  51. Tang, X.†, Chan, K.-L.†, Farzana, S.^, Wai, O.W.H., and Leu, S.-Y.* (2021) Strategic Planting for Watershed Restoration in Coastal Urban Environment–Toward Carbon Sequestration by Stormwater Improvement. J. of Cleaner Prod. 126116 (IF: 7.246).
  52. Islam M.K.†, Thaemngoen A.^, Lau C.Y.†, Guan J.†, Yeung, C.S.^, Chaiprapat, S., Leu, S.-Y.* (2021) Staged Organosolv Pretreatment to Increase Net Energy and Reactive Lignin Yield in Whole Oil Palm Tree Biorefinery. Bioresour. Technol. 326, 124766.
  53. Wang, Y.^, Chan, K.-L.†, Abdel-Rahman, M. A., & Sonomoto, K.^, and Leu, S.-Y.* (2020). Dynamic Simulation of Continuous Mixed Sugars Fermentation with Increasing Cell Retention Time for Lactic Acid Production using Enterococcus mundtii QU 25. Biotechnology for Biofeuls, 13(1), 1-16 (IF:5.473).
  54. Zhuang, H.†, Guan, J.†, Leu, S.-Y.*, Wang, Y.^, and Wang, H.^ (2020) Carbon Footprint Analysis of Chemical Enhanced Primary Treatment and Sludge Incineration for Sewage Treatment in Hong Kong, J. of Cleaner Production, 122630.
  55. Thaemngoen, A.^, Phuttaro, C., Saritpongteeraka, K., Leu, S.-Y., Chaiprapat, S. (2020) Biochemical Methane Potential Assay Using Single Versus Dual Sludge Inocula and Gap in Energy Recovery from Napier Grass Digestion, BioEnergy Res., 13(4), 1321-1329 (IF: 2.741).
  56. Wirawan, F., Cheng, C. L., Lo, Y. C., Chen, C. Y., Chang, J. S., Leu, S.-Y., and Lee, D. J.^ (2020) Continuous cellulosic bioethanol co-fermentation by immobilized Zymomonas mobilis and suspended Pichia stipitis in a two-stage process. Applied Energy, 266, 114871 (IF: 8.558).
  57. Lu, J. H., Chen, C., Huang, C., Leu, S.-Y., and Lee, D. J.^ (2020) Glucose fermentation with biochar amended consortium: Sequential fermentations. Bioresource Technology, 303, 122933.
  58. Zhuang, H.† Wu, Z., Xu, L., Leu, S.-Y., Lee P.H. (2020) Energy-Efficient Single-Stage Nitrite Shunt Denitrification with Saline Sewage through Concise Dissolved Oxygen (DO) Supply: Process Performance and Microbial Communities, Microorganisms, 8 (6), 919.
  59. Lau, C.-Y.†, Guan, J.^, Tse, H.Y.†, Yeung, C.S.^, Shum, C.W.^, and Leu, S.-Y.* (2020) Enhancement of Elemental Sulfur Recovery from Wastewater Biogas Using Nickel (II)-(5, 10, 15, 20)-tetrakis-phenylcarboxylporphyrin. KSCE Journal of Civil Engineering. 24(5),1424-1429 (in-vited paper).
  60. Lau, C.-Y.†, Guan, J.^, Tse, H.Y.†, Yeung, C.S.^, and Leu, S.-Y.* (2020) Smart control for micro-aeration toward sulfide removal in sewer systems at low costs, Desalination and Water Treatment, 200, 369-375.
  61. Thaemngoen, A.^, Saritpongteeraka, K., Leu, S.-Y., Phuttaro, C., Sawatdeenarunat, C., Chaiprapat, S. (2020) Anaerobic Digestion of Napier Grass (Pennisetum purpureum) in Two-Phase Dry Digestion System Versus Wet Digestion System. BioEnergy Research, 59, 1-13.
  62. Islam, M. K.†, Wang, H.^, Rehman, S.†, Dong, C.†, Hsu, H. Y., Lin, C.S.K., and Leu, S.-Y.* (2019) Sustainability metrics of pretreatment processes in a waste derived lignocellulosic biomass biorefinery. Bioresource Technology, 122558.
  63. Dong, C.†, Peng, Y., Hadi^, P., Fu, S., Liu, H.^, Leu, S.-Y., and Shi, L. (2019) Reducing specific binding affinity while maintaining the enzyme activity: dual effects of lignosulfonates on enzyme hydrolysis of sulfite-pretreated lignocellulose. BioResources, 14(4), 8803-8820.
  64. Khanzada, N.K., Rehman, S.†, Leu, S.-Y., and An., A.K. (2020) Evaluation of anti-bacterial adhesion performance of polydopamine cross-linked graphene oxide RO membrane via in situ optical coherence tomography. Desalination, 479: 114339.
  65. Lu, J.H., Chen, C., Huang, C., Zhuang, H.†, Leu, S.-Y., and Lee, D. J. (2020). Dark fermentation production of volatile fatty acids from glucose with biochar amended biological consortium. Bioresource Technology, 122921.
  66. Wang, Y.^, Leng, L., Islam, M.K.†, Liu, F., Lin, C.S.K. and Leu, S.-Y.* (2019) Substrate-Related Factors Affecting Cellulosome-Induced Hydrolysis for Lignocellulose Valorization. International Journal of Molecular Sciences, 20(13), 3354 (IF: 4.183).
  67. Dong, C.†, Meng, X.Z., Yeung, C.S. ^, TSE, H.Y.†, Ragauskas, A.J., and Leu, S.-Y.* (2019) Diol pretreatment to fractionate a reactive lignin in lignocellulosic biomass biorefinery, Green Chemistry, 21(10): 2788-2800 (IF: 9.405, top journal).
  68. TSE, H.Y.,†, Cheng, S.-C., Yeung, C. S.^, Lau, C.-Y.^, Wong, W.-H.^, Dong, C.†, Leu, S.-Y.* (2019) Development of a waste-derived lignin-porphyrin bio-polymer with enhanced photoluminescence at high water fraction with wide pH range and heavy metal sensitivity investigations. Green Chemistry, 21, 1319-1329.
  69. Dong, C.†, Wang, Y.^, Wang, H., Lin, CSK., Hsu, H.-Y., Leu, S.-Y.* (2019) New Generation Urban Biorefinery toward Complete Utilization of Waste Derived Lignocellulosic Biomass for Biofuels and Value-Added Products. Energy Procedia, 158, 918-925.
  70. Jing, H.†, Wang, Y.^, Lee, P.-H., Leu, S.-Y.* (2019) Substrate-related features to maximize bioenergy potential of chemical enhanced primary treatment sludge. Energy Procedia, 158, 926-933.
  71. Shi, L., Li, Y., Zeng, F., Ran, S., Dong, C.†, Leu, S.-Y., Boles, S.T., and Lam, K.H. (2019) In situ growth of amorphous Fe2O3 on 3D interconnected nitrogen-doped carbon nanofibers as high-performance anode materials for sodium-ion batteries, Chemical Engineering Journal, 356, 107-116 (IF: 6.735).
  72. Chi, X., Li, J., Leu, S.-Y., Wang, X., Zhang, Y., Wang, Y.^* (2019) Features of a Staged Acidogenic/Solventogenic Fermentation Process to Improve Butanol Production from Rice Straw. Energy & Fuels, 33 (2), pp 1123–1132.
  73. Wang, W.; Fu, S.; Leu, S.-Y.; Dong, C.†, A Nano-Ink for gel pens based on scalable CNC preparation (2018). Cellulose, 25 (11), 6465-6478 (IF: 8.856).
  74. Chan, K.-L.†, Dong, C.†, Wong, M.S., Kim, L.-H., Leu, S.-Y.* (2018) Plant Chemistry Associated Dynamic Modelling to Enhance Urban Vegetation Carbon Sequestration Potential via Bioenergy Harvesting, Journal of Cleaner Production, 197, 1084-1094.
  75. Yang, P.; Leng, L.; Tan, G.-Y. A.; Dong, C.†; Leu, S.-Y.; Chen, W.-H.; Lee, P.-H., (2018) Upgrading lignocellulosic ethanol for caproate production via chain elongation fermentation. International Biodeterioration & Biodegradation, 135, 103-109.
  76. Dong, C.†, Wang, Y.^, Bhatia, A.^, Leu, S.-Y.* (2018) Temperature Profiling to Maximize Energy Yield with Reduced Water Input in a Lignocellulosic Ethanol Biorefinery, Applied Energy, 214, 63-72 (IF: 7.900).
  77. Chi, X., Li, J., Wang, X., Zhang, Y., Leu, S.-Y.*, Wang, Y.^ (2018) Bioaugmentation with Clostridium tyrobutyricum to improve butyric acid production through direct rice straw bioconversion, Bioresource Technology, 263, 562-568 (IF: 5.807).
  78. Li, Y., Ji, L., Liu, R., Zhang, C., Mak, C.H., Zou, X., Shen, H.H., Leu, S.-Y., Hsu, H.Y. (2018) A Review on Morphology Engineering for Highly Efficient and Stable Hybrid Perovskite Solar Cells, Journal of Materials Chemistry A.
  79. Zheng, S., Alvarado, V., Xu, P., Leu, S.-Y., Hsu, S.-C. (2018) Exploring spatial patterns of carbon dioxide emission abatement via energy service companies in China, Resources, Conservation and Recycling, 137, 145-155.
  80. Dong, C.†, Wang, Y.^, Zhang, H.^, Leu, S.-Y.* (2018) Feasibility of high-concentration cellulosic bioethanol production from undetoxified whole Monterey pine slurry, Bioresource Technology, 250, 102-109.
  81. Hu, Y., Du, C., Leu, S.-Y., Jing, H.†, Li, X., Lin, CSK. (2018) Valorisation of textile waste by fungal solid state fermentation: An example of circular waste-based biorefinery, Resources, Conservation and Recycling, 129, 27-35.
  82. Zhang, C.; Liu, R.; Mak, C. H.; Zou, X.; Shen, H.-H.; Leu, S.-Y.; Ji, L.; Hsu, H.-Y. (2018) Photophysics of organic photovoltaic devices: a review. Journal of Photonics for Energy, 8 (2), 021001.
  83. Hsu, H.-Y.; Ji, L.; Zhang, C.; Mak, C. H.; Liu, R.; Wang, T.; Zou, X.; Leu, S.-Y.; Edward, T. Y. (2018) Ultra-stable 2D layered methylammonium cadmium trihalide perovskite photoelectrodes. Journal of Materials Chemistry C, 6(43), 11552-11560.
  84. Pensupa, N., Leu, S.-Y., Hu,Y., Du, C., Liu, H.^, Jing, H.†, Wang, H., Lin, CSK (2017) Recent Trends in Sustainable Textile Waste Recycling Methods: Current Situation and Future Prospects, N Pensupa, Topics in Current Chemistry 375 (5), 76.
  85. Chang, K.-L., Han, Y.-J., Wang, X.-Q., Chen, X.-M., Leu, S.-Y., Liu, J.-Y., Peng, Y.-P., Liao, Y.-L., Potprommanee, L. (2017). The effect of surfactant-assisted ultrasound-ionic liquid pretreatment on the structure and fermentable sugar production of a water hyacinth. Bioresource Technology, 237, 27-30.
  86. Gu, J., Hu, C., Zhong, R., Tu, D., Yun, H., Zhang, W., Leu, S.-Y. (2017). Isolation of cellulose nanocrystals from medium density fiberboards. Carbohydrate Polymers, 167, 70-78.
  87. Ko, C.-H.^, Chaiprapat, S., Kim, L.-H., Hadi, P., Hsu, S.C., and Leu, S.-Y.* (2017) Carbon sequestration potential via energy harvesting from agricultural biomass residues in Mekong River basin, Southeast Asia. Renewable and Sustainable Energy Reviews, 68(2), 1051-1062 (IF = 9.18).
  88. Shi, E., Li, J., Leu, S.-Y., Antwi, P. (2016) Modeling the dynamic volatile fatty acids profiles with pH and hydraulic retention time in an anaerobic baffled reactor during the startup period. Bioresource Technology; 222, 49.
  89. Liu, H.^, Sun, J., Leu, S.-Y.,* Chen, S. (2016) Toward a Fundamental Understanding of Cellu-lase-Lignin Interactions in the Whole Slurry Enzymatic Saccharification Process, Biofuels, Bi-oproducts and Biorefining. 10, 648–663.
  90. Li, J., Shi, E., Antwi, P., Leu, S.-Y. (2016) Modeling the performance of an anaerobic baffled reactor with the variation of hydraulic retention time, Bioresource Technology, 214, 477-486.
  91. Hossain, M.U., Leu, S.-Y., Poon, C.S. (2016) Sustainability analysis of pelletized bio-fuel derived from recycled wood product wastes in Hong Kong, Journal of Cleaner Production, 113, 400-410.
  92. Cheng, T.R., Leu, S.-Y., Zhu, J.Y., Gleisner, R. (2015) High titer and yield ethanol production from undetoxified whole slurry of Douglas-fir forest residue using pH profiling in SPORL. Biotechnology for Biofuels, 8, 22 (IF: 5.497).
  93. Yang, T.-H., Yang, T.-H., Chao, W.-C., Leu, S.-Y.* (2015) Characterization of the property changes of extruded wood–plastic composites during year round subtropical weathering. Construction and Building Materials, 88, 159-168.
  94. Ko, C.-H.^, Leu, S.-Y.*, Chang, C.-C., Chang, C.-Y., Wang, Y.-C., and Wang, Y.-N. (2015) Combining cellulosic ethanol fermentation waste and municipal solid waste-derived fiber with a Kraft black liquor-derived binder for recycled paper making, BioResources, 10, 5744-5757.
  95. Zhao, B.W., Li, J.Z., Leu, S.-Y. (2014) An innovative wood-chip-framework soil infiltrator for treating anaerobic digested swine wastewater and analysis of the microbial community. Bioresource Technology, 173, 384-391.
  96. Cheng, J., Leu, S.-Y., Zhu, J., Jeffries, T.W. (2014) Ethanol production from non-detoxified whole slurry of sulfite-pretreated empty fruit bunches at a low cellulase loading. Bioresource Technology, 164, 331-337.
  97. Zhou, H., Leu, S.-Y., Wu, X., Zhu, J., Gleisner, R., Yang, D., Qiu, X., Horn, E. (2014) Comparisons of high titer ethanol production and lignosulfonate properties by SPORL pretreatment of lodgepole pine at two temperatures. RSC Advances, 4: 27030-27038.
  98. Cheng, J, Leu, S.-Y., Gleisner, R, Pan, XJ., Zhu, JY. (2014) High solids quasi-simultaneous enzymatic saccharification and fermentation of un-detoxified whole slurry of SPORL pretreated douglas-fir forest residue, Cellulose Chemistry and Technology, 48: 849-854.
  99. Leu, S.-Y., Zhu, JY. (2013) Substrate-Related Factors Affecting Enzymatic Saccharification of Lignocelluloses: Our Recent Understanding, BioEnergy Research, 6:405-415 (total citations = 150).
  100. Leu, S.-Y., Zhu, JY., Gleisner, R., Sessions, J., Marrs, G. (2013) Robust Enzymatic Saccharification of a Douglas-fir Forest Harvest Residue by SPORL, Biomass and Bioenergy, 59: 393-401.
  101. Zhou, H., Zhu, J.Y., Luo, X., Leu, S.-Y., Wu, X.L, Gleisner, R., Dien, B.S., Hector, R.E., Yang, D.J., Qiu, X.Q., Horn, E., Negron, J. (2013) Bioconversion of Beetle-Killed Lodgepole Pine Using SPORL: Process Scale-up Design, Lignin Coproduct, and High Solids Fermentation without Detoxification, Industrial & Engineering Chemistry Research, 52: 16057-16065.
  102. Teng, C.-J., Leu, S.-Y.*, Ko, C.-H., Fan, C.-H., and Sheu, Y.-S. (2012) Economic and Environmental Analysis of Using Constructed Riparian Wetlands to Support Urbanized Municipal Wastewater Treatment, Ecological Engineering, 44:249-258.
  103. Leu, S.-Y., Chan, L., and Stenstrom, M. K. (2012) Toward Long SRT of Activated Sludge Processes: Benefits in Energy Saving, Effluent Quality, And Stability, Water Environment Research, 84(1): 42-53.
  104. Leu, S.-Y., Yang, T.-H., Lo, S.-F., and Yang, T-H. (2012) Optimized Material Composition to Improve the Physical and Mechanical Properties of Extruded Wood–Plastic Composites (WPCs), Construction and Building Materials, 29:120-127 (total citations = 53).
  105. Chan, L., Leu, S.-Y.*, Rosso, D., and Stenstrom, M. K. (2011) The Relationship between Mixed-Liquor Particle Size Distribution and Solids Retention Time in the Activated Sludge Process, Water Environment Research, 83(12): 2178-2186.
  106. Leu, S.-Y., Libra, J., and Stenstrom, M. K. (2010) Monitoring Off-Gas O2/CO2 to Predict Nitrification Performance in Activated Sludge Processes, Water Research, 44(11): 3434-3444.
  107. Leu, S.-Y. and Stenstrom, M. K. (2010) Bioaugmentation to Improve Nitrification in Activated Sludge Treatment, Water Environment Research, 82(6): 524-535.
  108. Leu, S.-Y., Rosso, D., Larson, L., and Stenstrom, M. K. (2009) Real-Time Monitoring Aeration Efficiency in the Activated Sludge Process and Methods to Reduce Energy Consumption, Water Environment Research, 81(12): 2471-2481.
  109. Leu, S.-Y., Babcock, R., Tzeng, C.-J., and Stenstrom, M. K. (2009) Modeling the Performance of Hazardous Wastes Removal in Bioaugmented Activated Sludge Processes, Water Environment Research, 81(11): 2309-2319.
  110. Kaliman, A., Rosso, D., Leu, S.-Y., and Stenstrom, M. K. (2008) Fine-pore aeration diffusers: Accelerated membrane ageing studies, Water Research, 42(1-2): 467-475.

    Book Chapters:
  112. 109. Pandey, A., Tiwari, B., Vuppaladadiyam, A.K., Vuppaladadiyam, S.S.V., Leu, S.-Y. and Pandey, S. (2022) Deep eutectic solvents – An Introduction. In Current Developments in Biotechnology and Bioengineering (pp. 1-20). Elsevier.
  113. Islam, M.K.†, Dong, C.†, Hsu, H.-Y., Lin, C. S. K., & Leu, S. Y.* (2020). Valorisation of Woody Biomass. Waste Valorisation: Waste Streams in a Circular Economy, 87-108.
  114. Melikoglu, M., Singh, V., Leu, S.-Y., Webb, C., Lin C.S.K. (2016) Biochemical production of bioalcohols, Handbook of Biofuels Production (Second Edition), ISBN: 978-0-08-100455-5. Woodhead Publishing, 237-258.
  115. Liu, H.^, Zhang, H.^, Zhao, X., Sun, J., Fu, S., Leu, S.-Y.* (2016) A mini-review on in situ enzymatic fabrication of hydrogels. Polymer science: research advances, practical applications and educational aspects. ISBN: 978-84-942134-8-9. Formatex Research Center.

Patents

  1. Guan, J.Y.†, Leu, S.-Y., Yeung, C.S.^, Yuen, C.B.^, Lau, C.Y.†, TSE, H.Y.†, Wang, H.M.^, (2023) Method for preparing aromatic monomers from lignin, China Patent, CN115287089 B, August, 25.
  2. Dong, C.Y.†, Leu, S.-Y., Yeung, C.S.^, TSE, H.Y.†, Islam, M.K.† (2023) Method for improving lignin fractionation and depolymerization of biomass and application thereof, CN112574009B, November 24, 2023.
  3. Lau, C.Y., Guan J.Y., TSE, H.Y., Yeung, C.S., Leu, S.-Y. 2019. An algorithm model, method, real-time monitoring device and system for sulfide removal in biogas, China Patent, Application No. 201910358598.4;
  4. Hu, Y., Lin, C.S.K., Leu, S.-Y., Jing, H., Yeung, C.S. 2018. Improved Textile Waste Processing, (Ed.) T.H.K.R.I.o.T.a.A. Limited, The Hong Kong Research Institute of Textiles and Apparel Limited. USA. Patent Application No. 15/886,018. February 1.

Research Grants

(approximately HK$23.2 million since 2013)

  1. Research grants as Principal Investigator (PI or Co-PI)
    Study of Ammonia Pretreatment-Power Generation System toward Complete Valorization of Food Waste Digestate, Green Tech Fund (GTF202220115), HK$6,870,100 (PI, external competitive), 2024/9-2025/8.
  2. Study of High Purity Oxygen Aeration for Biological Polishing of Chemical Enhanced Primary Treated Sewage Effluent and Cellulase Production from Sludge, Environment and Conservation Fund (ECF 102/2021), HK$1,999,800 (PI, external competitive), 2022/11-2025/10.
  3. Development of a Novel Three-Stage Anaerobic Process for Food Waste/Sewage Sludge Co-Digestion, Research Centre for Resources Engineering towards Carbon Neutrality (RCRE 1-BBC9), HK$500,000 (PI, internal, competitive), 2022/3-2025/2.
  4. Study of Carbon Sequestration in Hong Kong’s Vegetation: from Present to Future Prediction under Climate Change, Collaborative Research Fund (CRF C5062-21GF), HK$800,000 (Co-PI, external), 2022/6-2025/5.
  5. Reducing Transmission of Novel Coronavirus and Other Infectious Diseases Using Food Waste-derived Medical Textiles via Electrospinning for Healthcare Apparel and Personal Protective Equipment, One-off CRF Coronavirus Disease (COVID-19, C1105-20GF) and Novel infectious Disease (NID) Research Exercise, HK$800,000, 2021/06-2024/05 (Co-PI, external competitive).
  6. Construction of a machine learning platform for high-throughput gene selection toward bio-conversion of waste lignocellulose into pharmaceutical monomer, HK$250,000, Guangdong-Hong Kong-Macau Joint Laboratory for Environmental Pollution and Control Research Project Proposal for the Joint Lab Seed Fund, 2021/05-2022/10 (PI, internal).
  7. Investigation and Demonstration to Convert Camellia Oleifera Shell Biomass into Functional Bio-Composites, Innovation and Technology Fund – Guangdong/Hong Kong Technology Cooperation Funding Scheme (GHP/042/18GD), HK$2,559,025, 2020/03-2022/02 (external, competitive).
  8. Metabolites Induced Thermochemical Lignin Modification to Facilitate Cellulolysis of Lignocellulosic Substrate in Anaerobic Process, General Research Fund, Hong Kong Research Grant Council (RGC/GRF, PolyU 15212319), HK$534,500, 2020/01-2022/12 (external, competi-tive).
  9. New Solvent-Based Biorefinery Techniques to Extract Lignin from Timber Wastes for High Titer Biofuel Production, Innovation and Technology Fund – University-Industry Collaboration Pro-gramme (ITF-UICP, UIM/333), HK$3,313,573 (external, competitive, PolyU FCE matching HK$119,000), 15/15/2018-05/14/2020.
  10. Incorporating metabolites based organosolv pretreatment in reducing the recalcitrant of lignocellulosic biomass to saccharification in food/yard/timber waste treatment processes, Envi-ronment and Conservation Fund (ECF 85/2017), HK$1,271,800 (external competitive, PolyU FCE matching of HK$119,000), 01/2018-01/2020.
  11. Study of Natural Deep Eutectic Solvents Induced Pretreatment Process for Bioconversion of Refuse-Derived Lignocellulosic Biomass in Hong Kong, RGC/GRF (PolyU 152123/17E), HK$442,050, 2018/01-2020/12 (external, competitive).
  12. Planting Techniques for Enhancing CO2 Absorption for Urban Rain Gardens, Korea Agency for Infrastructure Technology Advancement (KAIA), HK$1,029,500, 2014/12-2017/03 (external, competitive).
  13. Developing a Low Environmental Impact High Stability Biorefinery to Convert Municipal Wood Product Waste into Bioethanol, Early Career Scheme (RGC/ECS, PolyU 252011/14E), Hong Kong Research Grant Council, HK$506,737, 2015/01-2017/12 (external, competitive);.
  14. Technology Development and Economic Feasibility of Applying New Urban Biorefinery to Convert Solids Wastes Derived Lignocellulosic Biomass into Biofuels, Sinopec Chemical Commercial Holding Company Limited, HK$1,250,000, 2015/01-2018/06 (external);.
  15. Developing new generation biological processes for simultaneous detoxification and yeast adaptation to guarantee the productivity of a biomass-to-bioethanol biorefinery – Open Fund, HC201410, State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, RMB$50,000 (external, competitive);
  16. Kinetic Analysis of Engineered Resin Additives in Affecting Enzymatic Hydrolysis and Fermentation for Biofuel to Bioethanol Processes – Open Fund (201438), State Key Laboratory of Pulp and Paper Engineering , South China University of Technology, Guangzhou, RMB$20,000 (external, competitive);
  17. Evaluating the Potential of Developing Biorefinery in Hong Kong – in Using Solid Wastes to Produce Biofuels and Composites – Departmental General Research Fund (G-UB15), Hong Kong Polytechnic University, HK$178,000 (internal);
  18. Characterizing the Critical Physical and Chemical Properties of Cellulosic Solid Waste for Improving the Efficiency of Enzymatic Saccharification – Dean's Reserve (1-ZVBM), Hong Kong Polytechnic University, HK$300,000 (internal);
  19. Consultancy (as PI)
    Pilot study on efficiencies of aeration systems using off-gas method at secondary sewage treatment works (STWs), Hong Kong Drainage Services Department (DSD), HK$1,344,600, 2019/01-2020/09.
  20. Teaching grant (as PI)
    Integrated Continuous Flow Reactor with Upgraded Liquid Chromatography for Environmental Engineering Education, HK$1,325,140, 2021/06-2022/06.
  21. 1st Micro-Movie Competition (MMC) on Emerging Environmental Topics among our Society, US$18,750; Overseas Chinese Environmental Engineers and Scientists Association (OCEESA);
  22. Multi-scale Analytical Platform for Organic Waste and Polymers for Civil and Environmental Education, HK$1,257,754, 2018/01-2019/01.
  23. Establishment of a Public Active Interactive Education Platform – the First Micro-Movie Competition (1st MMC) on Rising Environmental Issues in Hong Kong, HK$150,000), 2016/09-present;
  24. Urban Waste derived Cellulosic Biomass as a Feedstock for Biorefinery, Ten Thousand Student Interflow Programme of the Ministry of Education program, RMB$150,000, 2014/07-2015/12.
  25. Other projects as Co-Investigator (Co-I)
    Development of E-nose-based Detection Technique for Brown Root Rot Disease Infected Trees, Hy(S)Q/056/2020, (PI: Prof. S.C. Lee), HK$ 90,000 for Co.-I, 2020/08-2021/08.
  26. Revitalization of Tsui Ping River - Planting Trial CE 79/2014 (DS), Atkins China Ltd. (PI: Prof. O.W.H. Wai), HK$ 99,990 for Co.-I, 2018/04-2019/04.
  27. New Technologies for Smart Management of Urban Trees, Block Grant except CRG, Project of Research Institute of Sustainable Urban Development (PI: Dr. Man Sing Wong), HK$ 1,000,000, 2018/04-2021/03.
  28. Jockey Club Smart City Tree Management Project, Hong Kong Jockey Club Charities Trust (PI: Dr. Man Sing Wong), HK$32,280,000, 2018/02-2021/02.
  29. New Paradigm of Integrated Urbanwater Management, Block Grant except CRG, Project of Re-search Institute of Sustainable Urban Development (PI: Prof. X. D. Li), HK$2,500,000, 2017/03-2020/02.
  30. Smart noise barriers/enclosures for dual active and passive control of construction noise, (ECF 85/2017), HK$837,080 (PI: Dr. Siu Kai Lai), 2018/04-2020/03.
  31. Wastewater-derived Energy for Smart Towns, Innovation and Technology Fund – Tier 2, HK$8,809,492 (ITF, HK$1,564,000 for Co-I), 2016/06-2018/06.
  32. Textile Waste Recycling by Biological Method, Innovation and Technology Fund – Tier 2, $2,693,495 HKD (ITF, HK$546,000 for Co-I), 2016/03-2018/03.
  33. To Develop Local Agriculture and Food Production Through Food Waste Upcycling and Biotechnologies, HK$2,786,500 (ITF-ESS, HK$982,000 for Co-I), 2016/06-2018/06.
  34. The Water PolyU-MIT Partnership (Water-PUMP) and Bioenergy Microbial Thermodynamics Word Leading Scholars Consortium (Bioenergy-MTWLSC) for Water-Energy Nexus Research: Efficient Resource Recovery from Wastewaters, (PI: Prof. X. D. Li), HK$200,000, 2015/05-2018/03.
  35. Evaluation of Co-digestion of Sewage Sludge with Stable Waste to Boost Biogas Production: The Phase 1 Study, (PI: Dr. Po-Heng Lee), HK$558,200, 2014/08-2016/01.
  36. Large equipment grant for central facility (as Co- I)
    Establishment of the Central Facility for Chemical Analysis, HK$57.7M (major proposer of 500 MHz solid/solution state NMR spectroscopy, HK$4.8M), 2014-2017.


Books

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Nanoscale Materials in Water Purification

Edited by:
Sabu Thomas, Daniel Pasquini, ... Deepu A. Gopakumar

Novel nanoscale materials are now an essential part of meeting the current and future needs for clean water, and are at the heart of the development of novel technologies to desalinate water. The unique properties of nanomaterials and their convergence with current treatment technologies present great opportunities to revolutionize water and wastewater treatment. Nanoscale Materials for Water Purification brings together sustainable solutions using novel nanomaterials to alleviate the physical effects of water scarcity.
This book covers a wide range of nanomaterials, including noble metal nanoparticles, magnetic nanoparticles, dendrimers, bioactive nanoparticles, polysaccharidebased nanoparticles, nanocatalysts, and redox nanoparticles for water purification. Significant properties and characterization methods of nanomaterials such as surface morphology, mechanical properties, and adsorption capacities are also investigated.

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