Dr. LAU, Wai Man Raymond / Associate Professor

School of Chemical & Biomedical Engineering

Nanyang Technological University

N1.2-B2-32, 62 Nanyang Drive, Singapore 637459

Email: wmlau@ntu.edu.sg

Tel: +65 6316 8830 / Fax: +65 6794 7553


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Journal Articles:


  • A. Pacławski, J. Szlęk, T.Q.N. Nguyen, R. Lau, R. Jachowicz, & A. Mendyk Carrier optimization of pulmonary powder systems with using computational intelligence tools, Powder Technology, In Press (2017). Abstract
  • X. Li, Y.B. Wang, Y. Xie, S.M. Yin, R. Lau, R. Xu, “CdS nanoparticles loaded on porous poly-melamine-formaldehyde polymer for photocatalytic dye degradation”, Research on Chemical Intermediates, 43, 5083-5090 (2017). Abstract


  • Y. Yuan, H. E. Karahan, Ö. Birer, C. Yildirim, L. Wei, R. Lau, & Y. Chen, ““Smart poisoning” of Co/SiO2 catalysts by sulfidation for chirality-selective synthesis of (9,8) single-walled carbon nanotubes”, Nanoscale, 8, 17705-17713 (2016). Abstract
  • A.A. Kazemzadeh Farizhandia, H. Zhao, & R. Lau*, “Modeling the change in particle size distribution in a gas-solid fluidized bed due to particle attrition using a hybrid artificial neural network-genetic algorithm approach”, Chemical Engineering Science, 155, 210-220 (2016). Abstract
  • Y.B. Wang, S.M. Yin, R. Xu, & R. Lau*, “Municipal Solid Waste Incineration Bottom Ash Supported Cobalt Oxide Catalysts for Dye Degradation Using Sulfate Radical”, Journal of Taiwan Institute of Chemical Engineers, 68, 246-253 (2016). Abstract
  • Y.B. Wang, L. Huang, & R. Lau*, “Conversion of municipal solid waste incineration bottom ash to sorbent material: Effect of ash particle size”, Journal of Taiwan Institute of Chemical Engineers, 68, 351-359 (2016). Abstract
  • Y.B. Wang, Y.K. Zhang, S.Y. Tang & R. Lau*, "Anionic and cationic dyes adsorption on porous poly-melamine-formaldehyde polymer", Chemical Engineering Research and Design, 114, 258-267 (2016). Abstract
  • J. Szlek, A. Paclawski, R. Lau, R. Jachowicz, P. Kazemi, & A. Mendyk, “Empirical search for factors affecting mean particle size of PLGA microspheres containing macromolecular drugs”, Computer Methods and Programs in Biomedicince, 134, 137-147 (2016). Abstract
  • M. Pan, J. Sikorski, J. Akroyd, S. Mosbach, R. Lau, & M. Kraft, “Design technologies for eco-industrial parks: From unit operations to processes, plants and industrial networks”, Applied Energy, 175, 305-323 (2016). Abstract
  • Y.B. Wang, L. Huang, & R. Lau*, “Conversion of Municipal Solid Waste Incineration Bottom Ash to Sorbent Material for Pollutants Removal from Water”, Journal of Taiwan Institute of Chemical Engineers, 60, 275-286 (2016). Abstract


  • C.A. Kastner, R. Lau, & M. Kraft*, “Quantitative tools for cultivating symbiosis in industrial parks; a literature review”, Applied Energy, 155, 599–612 (2015). Abstract
  • W.-B Pei, L.L. Wang, J.S. Wu, B. Chen, W. Wei, R. Lau*, L. Huang*, & W. Huang, “Controlled synthesis of uniform NaxScF3+x:Yb/Er nanopolyhedrons, nanoplates, nanorods and nanospheres using solvents”, Crystal Growth & Design, 15(6), 2988-2993 (2015). Abstract
  • B.Y.S. Yong, J.M. Pang, C.A. Kastner, M. Kraft, & R. Lau*, “Towards the development of carbon dioxide emission landscape in Singapore”, Energy Procedia, 75, 2898-2903 (2015). Abstract
  • M. Pan, J. Sikorski, C.A. Kastner, J. Akroyd, S. Mosbach, R. Lau & M. Kraft*, “Applying Industry 4.0 to the Jurong Island Eco-industrial Park”, Energy Procedia, 75, 1536-1541 (2015). Abstract
  • J. Wu, X. Rui, C. Wang, W.-B. Pei, R. Lau, Q. Yan & Q. Zhang*, “Nanostructured conjugated ladder polymers for stable and fast lithium storage anodes with high-capacity”, Advanced Energy Materials, 1402189 (2015). Abstract
  • W.-B Pei, B. Chen, L.L. Wang, J.S. Wu, X. Teng, R. Lau*, L. Huang*, & W. Huang, “NaF-Mediated Controlled-Synthesis of Multicolor NaxScF3+x:Yb/Er Upconversion Nanocrystals”, Nanoscale, 7, 4048-4054 (2015). Abstract
  • F.Y. Zhang, T.Q.N. Nguyen, B.H. Tay, A. Mendyk, Y.-H .Shao & R. Lau*, “Roughness-controlled Self-assembly of Mannitol/LB Agar Microparticles by Polymorphic Transformation for Pulmonary Drug Delivery”, Molecular Pharmaceutics, 12(1), 223-231 (2015). Abstract
  • Y. Yuan, L. Wei, W.C. Jiang, K.L. Goh, R.R. Jiang, R. Lau, & Y. Chen*, “Sulfur Induced Chirality Changes in Single-Walled Carbon Nanotube Synthesis by Ethanol Chemical Vapor Deposition on Co/SiO2 Catalyst”, Journal of Materials Chemistry A, 3, 3310-3319 (2015). Abstract
  • A. Pacławski, J. Szlęk, R. Lau, R. Jachowicz, A. Mendyk, “Empirical modeling of fine particle fraction for carrier-based pulmonarƒuy delivery formulations”, International Journal of Nanomedicine, 10, 801-810 (2015). Abstract


  • T.Q.N. Nguyen, H.L. Giam, Y.B. Wang, A. Pacławski, J. Szlęk, A. Mendyk, Y.-H. Shao, & R. Lau*, “Surface modification of pollen-shape carriers for dry powder inhalation through surface etching”, Industrial & Engineering Chemistry Research, 53(51), 19943-19950 (2014). Abstract
  • Q.J. Yao, N.B. Samad, B. Keller, X.S.S. Seah, L. Huang, & R. Lau*, “Mobility of Heavy Metals and Rare Earth Elements in Incineration Bottom Ash through Ball Milling and Fluidized Bed Treatment”, Chemical Engineering Science, 118, 214-220 (2014). Abstract
  • K. Wang, T. Chen*, S.T. Kwa, Y.F. Ma & R. Lau*, “Meta-Modelling for Fast Analysis of CFD-Simulated Vapour Cloud Dispersion Processes”, Computers & Chemical Engineering, 69, 89-97 (2014).
  • R. Natarajan, X. Chen, W.M.R. Ang, & R. Lau*, “Lipid Releasing Characteristics of Microalgae through Continuous Ultrasonication”, Bioresource Technology, 158(1), 7-11 (2014). Abstract


  • T.Q.N. Nguyen, L.S. Chang, X.L. Jia & R. Lau*, “Experimental investigation of design parameters on dry powder inhaler performance”, International Journal of Pharmaceutics, 457(1) 92-100 (2013). Abstract
  • J. Szlek, A. Paclawski, R. Lau, R. Jachowicz & A. Mendyk*, “Heuristic modeling of macromolecules release from PLGA microspheres”, International Journal of Nanomedicine, 8, 4601-4611 (2013). Abstract
  • H. Wang, K.L. Goh, R. Xue, D.S. Yu, W.C. Jiang, R. Lau & Y. Chen*, “Sulfur doped Co/SiO2 catalysts for chirally selective synthesis of single walled carbon nanotubes”, Chemical Communications, 49, 2031-2033 (2013). Abstract
  • G.L. Zhao, X. Chen, L. Wang, S.X. Zhou, W.N. Chen & R. Lau*, “Ultrasound assisted extraction of carbohydrates from microalgae as feedstock for yeast fermentation”, Bioresource Technology, 128, 337-344 (2013). Abstract


  • R. Lau*, P.H. Lee, & T. Chen, “Mass Transfer Studies in Shallow Bed Reactors”, Chemical Engineering and Processing: Process Intensification, 62, 18-25 (2012). Abstract
  • R. Lau*, H.K.L. Chuah, “Dynamic Shape Factor for Particles of Various Shapes in the Intermediate Settling Regime”, Advanced Powder Technology, 24, 306-310 (2012). Abstract
  • D.P. Liu, Y.F. Wang, D.M. Shi, X.L. Jia, X. Wang, A. Borgna, R. Lau*, & Y.H. Yang*, “Methane reforming with carbon dioxide over a Ni/ZiO(2)-SiO2 catalyst: Influence of pretreatment gas atmospheres”, International Journal of Hydrogen Energy, 37(13), 10135-10144 (2012). Abstract
  • C. Irrgang, O. Hinrichsen, & R. Lau, “Effect of Orifice Angle and Surface Roughness on the Bubbling-to-Jetting Regime Transition in a Bubble Column”, Industrial & Engineering Chemistry Research, 51(11), 4445-4451 (2012). Abstract
  • Z. Guo, S.Q. Hu, C.M. Zhou, Y.T. Chen, X.L. Jia, R. Lau, & Y.H. Yang, “Epoxidation of trans-silbene and cis-cyclooctene over mesoporous vanadium catalysts: Support composition and pore structure effect”, Applied Catalysis A: General, 419-420, 194-202 (2012). Abstract


  • M.S. Hassan, & R. Lau, “Inhalation performance of pollen-shape carrier in dry powder formulation: Effect of size and surface morphology”, International Journal of Pharmaceutics, 413(1), 93-102 (2011). Abstract
  • M.I. Hossain, Y.H. Yang, A. Borgna & R. Lau, “Depth-of-Field Model for Size Measurement Using Borescope Imaging Technique under High Object Concentrations”, Industrial & Engineering Chemistry Research, 50(9), 5824–5830 (2011). Abstract
  • X. Chen, Q.R.Y. Goh, W.F. Tan, M.I. Hossain, W.N. Chen, & R. Lau, “Lumostatic strategy for microalgae cultivation utilizing image analysis and chlorophyll a content as design parameters”, Bioresource Technology, 102, 6005-6012 (2011). Abstract
  • K. Wang, G.Y. Chi, R. Lau, & T. Chen, “Multivariate calibration of near infrared spectroscopy in the presence of light scattering effect: a comparative study”, Analytical Letters, 44(5), 824-836 (2011). Abstract
  • M.I. Hossain, Q.X. Pang, S.Q. Pang, Y.H. Yang, & R. Lau, “Effect of Orifice Surface Roughness on the Liquid Weeping in Bubble Columns”, Industrial & Engineering Chemistry Research, 50(1), 389-397 (2011). Abstract
  • K. Wang, T. Chen, & R. Lau, “Bagging for robust non-linear multivariate calibration of spectroscopy”, Chemometrics and Intelligent Laboratory Systems, 105, 1-6 (2011). Abstract


  • R. Lau, M.S. Hassan, W.Y. Wong, & T. Chen, “Revisit of the wall effect on the settling of cylindrical particles in the inertial regime”, Industrial & Engineering Chemistry Research, 49(18), 8870-8876 (2010). Abstract
  • M.S. Hassan, & R. Lau, “Effect of Particle Formulation on Dry Powder Inhalation Efficiency”, Current Pharmaceutical Design, 16(21), 2377-2387 (2010). Abstract
  • D.P. Liu, W.N.E. Cheo, Y.W.Y. Lim, A. Borgna, R. Lau, & Y.H. Yang, “A comparative study on catalyst deactivation of nickel and cobalt incorporated MCM-41 catalysts modified by platinum in methane reforming with carbon dioxide”, Catalysis Today, 154 (3-4), 229-236 (2010). Abstract
  • M.I. Hossain, S.Q. Pang, Q.X. Pang, Y.H. Yang, & R. Lau, “Study of Liquid Weeping at a Tapered Orifice in a Bubble Column Reactor by a Computer-Aided Image Analysis Algorithm”, Industrial & Engineering Chemistry Research, 49(8), 3840-3848 (2010). Abstract
  • M.S. Hassan & R. Lau, “Flow behavior and deposition study of pollen-shape particles in an idealized inhalation path model”, Particuology, 8, 51-59 (2010). Abstract
  • R. Lau, R.J. Mo, & W.S.B. Sim “Bubble Characteristics in Shallow Bubble Column Reactors”, Chemical Engineering Research and Design, 88(2), 197-203 (2010). Abstract
  • M.S. Hassan, & R. Lau, “Inhalation performance of pollen-shape carrier in dry powder formulation with different drug mixing ratio”, International Journal of Pharmaceutics, 386(1-2), 6-14 (2010). Abstract
  • M.S. Hassan, & R. Lau, “Feasibility study of pollen-shape drug carriers in dry powder inhalation”, Journal of Pharmaceutical Sciences, 99(3), 1309-1321 (2010). Abstract


  • M.S. Hassan, & R. Lau, “Effect of Particle Shape on Dry Powder Inhalation: Study of Flowability, Aerosolization and Deposition Properties”, AAPS Pharmscitech, 10(4), 1252-1262 (2009). Abstract
  • M.I. Hossain, T. Chen, Y.H. Yang, & R. Lau, “Determination of Actual Size Distribution from Direct Imaging”, Industrial & Engineering Chemistry Research, 48(22), 10136-10146 (2009). Abstract
  • D.P. Liu, X. Y. Quek, W. N. E. Cheo, R. Lau, A. Borgna, & Y.H. Yang, “MCM-41 supported nickel-based bimetallic catalysts with superior stability during carbon dioxide reforming of methane: effect of strong metal-support interaction”, Journal of Catalysis, 266(2), 380-390 (2009). Abstract
  • Y.S. Wang, M. S. Hassan, P. Gunawan, R. Lau, X. Wang, & R. Xu, “Polyelectrolyte Mediated Formation of Hydroxyapatite Microspheres of Controlled Size and Hierarchical Structure”, Journal of Colloid and Interface Science, 339(1), 69-77 (2009). Abstract
  • R. Lau, W.S.B. Sim & R.J. Mo, “Effect of Gas Distributor on Hydrodynamics in Shallow Bubble Column Reactors”, Canadian Journal of Chemical Engineering, 87(6), 847–854 (2009). Abstract
  • D.P. Liu, S.Q. Hu, R. Lau, A. Borgna, G. L. Haller, & Y.H. Yang, “Hydroconversion of n-heptane over Pt/Al-MCM-41 mesoporous molecular sieves”, Chemical Engineering Journal, 151(1-3), 308-318 (2009). Abstract
  • D.P. Liu, R. Lau, A. Borgna, & Y.H. Yang, “Carbon dioxide reforming of methane to synthesis gas over nickel incorporated Ni-MCM-41 catalysts”, Applied Catalysis A, 358(2), 110–118 (2009). Abstract


  • X.B. Liu, H. Sun, Y. Chen, R. Lau, & Y.H. Yang, “Preparation of large particle MCM-41 and investigation on its fluidization behavior and application in single walled carbon nanotube production in a fluidized-bed reactor”, Chemical Engineering Journal, 142(3), 331–336 (2008). Abstract
  • R. Lau & L.-S. Fan, “Liquid Entrainment in High Pressure Bubble Columns”, Industrial & Engineering Chemistry Research, 44(10), 3776-3782 (2005). Abstract
  • R. Lau, W. Peng, L. Vargas, G.Q. Yang, & L.-S. Fan, “Gas-Liquid Mass Transfer in High Pressure Bubble Columns”, Industrial & Engineering Chemistry Research, 43(5), 1302-1311 (2004). Abstract
  • L.-S. Fan, R. Lau, C. Zhu, K. Vuong, W. Warsito, X. Wang, & G. Liu, “Evaporative Liquid Jets In Gas-Liquid-Solid Flow System”, Chemical Engineering Science, 56(21-22), 5871-5891, (2001). Abstract
  • G.Q. Yang, X. Luo, R. Lau, & L.-S. Fan, “Bubble formation in high-pressure liquid-solid suspensions with plenum pressure fluctuation”, AIChE Journal, 46(11), 2162-2174, (2000). Abstract
  • G.Q. Yang, X. Luo, R. Lau, & L.-S. Fan, “Heat-Transfer Characteristics in Slurry Bubble Columns at Elevated Pressures and Temperatures”, Industrial & Engineering Chemistry Research, 39(7), 2568-2577, (2000). Abstract
  • X. Luo, D.J. Lee, R. Lau, G.Q. Yang, & L.-S. Fan, “Maximum stable bubble size and gas holdup in high-pressure slurry bubble columns”, AIChE Journal, 45(4), 665-680, (1999). Abstract




  • R. Lau, “PHOTOBIOREACTOR”, Singapore Patent Application No. 10201408033V filed on 17 December 2014; China Patent Application No. 201520201888.5 filed on 3 April 2015.
  • R. Lau & S. Lee, “BIOREACTOR”, National Phase Entry from PCT Application No: PCT/SG2012/000469, Singapore Patent Application No. 11201403280P filed on 16 June 2014; US Patent Application No. 14/366,547 filed on 17 June 2014; European Patent Application No. 12 860 903.9 filed on 14 July 2014; China Patent Application No. 201280067638.6 filed on 21 July 2014.



Book Chapter:

  • R. Natarajan, X. Chen & R. Lau, “Ultrasound Applications in Lipid Extractions from Microalgae” in Z. Fang, R.L. Smith Jr., X.H. Qi (Eds) Production of Biofuels and Chemicals with Ultrasound (117-140). Springer, Netherlands (2015).