Journal Publications

Membrane Technology

Used Water Treatment

Water Quality

Water Treatment

Membrane Technology

  1. Qin, J.J., M.N. Wai, G.H. Tao, K.A. Kekre, and H. Seah. 2007. Membrane bioreactor study for reclamation of mixed sewage mostly from industrial sources. Sep. Purif. Technol., 53(3): p. 296-300.

  2. Qin, J.J., M.H. Oo, G.H. Tao, and K.A. Kekre. 2007. Feasibility study on petrochemical wastewater treatment and reuse using submerged MBR. J. Membr. Sci., 293(1-2): p. 161-166.

  3. Qin, J.J., M.H. Oo, and K.A. Kekre. 2007. Nanofiltration for recovering wastewater from a specific dyeing facility. Sep. Purif. Technol., 56(2): p. 199-203.

  4. Xie, R.J., M.J. Gomez, and Y.J. Xing. 2006. Permeate flux optimisation of a pilot microfiltration plant for cost-effectiveness of water reclamation for reuse. J. Environ. Sci. Health Part A-Toxic/Hazard. Subst. Environ. Eng., 41(7): p. 1171-1183.

  5. Qin, J.J., M.N. Wai, M.H. Oo, K.A. Kekre, and H. Seah. 2006. Feasibility study for reclamation of a secondary treated sewage effluent mainly from industrial sources using a dual membrane process. Sep. Purif. Technol., 50(3): p. 380-387.

  6. Qin, J.J., T.S. Chung, and Y.M. Cao. 2006. Solvent selection for manufacture of fluorinated polyimide composite membranes. Desalination, 193(1-3): p. 8-13.

  7. Qin, J.J. and T.S. Chung. 2006. Development of high-performance polysulfone/poly(4-vinylpyridine) composite hollow fibers for CO2/CH4 separation. Desalination, 192(1-3): p. 112-116.

  8. Qin, J.J., K.A. Kekre, G.H. Tao, M.H. Oo, M.N. Wai, T.C. Lee, B. Viswanath, and H. Seah. 2006. New option of MBR-RO process for production of NEWater from domestic sewage. J. Membr. Sci., 272(1-2): p. 70-77.

  9. Qin, J.J., M.H. Oo, M.N. Wai, and Y.M. Cao. 2005. Enhancement of boron removal in treatment of spent rinse from a plating operation using RO. Desalination, 172(2): p. 151-156.

  10. Qin, J.J., M.H. Oo, and Y. Li. 2005. Hollow fiber ultrafiltration membranes with enhanced flux for humic acid removal. J. Membr. Sci., 247(1-2): p. 119-125.

  11. Qin, J.J., M.H. Oo, and Y. Li. 2005. Development of high flux polyethersulfone hollow fiber ultrafiltration membranes from a low critical solution temperature dope via hypochlorite treatment. J. Membr. Sci., 247(1-2): p. 137-142.

  12. Qin, J.J., M.H. Oo, Y.M. Cao, and L.S. Lee. 2005. Development of a LCST membrane forming system for cellulose acetate ultrafiltration hollow fiber. Sep. Purif. Technol., 42(3): p. 291-295.

  13. Qin, J.J., T.S. Chung, C. Cao, and R.H. Vora. 2005. Effect of temperature on intrinsic permeation properties of 6FDA-Durene/1,3-phenylenediamine (mPDA) copolyimide and fabrication of its hollow fiber membranes for CO2/CH4 separation. J. Membr. Sci., 250(1-2): p. 95-103.

  14. Xie, R.J., M.J. Gomez, Y.J. Xing, and P.S. Klose. 2004. Fouling assessment in a municipal water reclamation reverse osmosis system as related to concentration factor. J. Environ. Eng. Sci., 3(1): p. 61-72.

  15. Qin, J.J., F.S. Wong, Y.Q. Li, M.N. Wai, and Y.T. Liu. 2004. The use of ultrafiltration for treatment of spent solvent cleaning rinses from nickel-plating operations: membrane material selection study. Desalination, 170(2): p. 169-175.

  16. Qin, J.J., M.N. Wai, M.H. Oo, and H. Lee. 2004. A pilot study for reclamation of a combined rinse from a nickel-plating operation using a dual-membrane UF/RO process. Desalination, 161(2): p. 155-167.

  17. Qin, J.J., M.H. Oo, H.W. Lee, and B. Coniglio. 2004. Effect of feed pH on permeate pH and ion rejection under acidic conditions in NF process. J. Membr. Sci., 232(1-2): p. 153-159.

  18. Qin, J.J., M.H. Oo, H. Lee, and R. Kolkman. 2004. Dead-end ultrafiltration for pretreatment of RO in reclamation of municipal wastewater effluent. J. Membr. Sci., 243(1-2): p. 107-113.

  19. Qin, J.J. and T.S. Chung. 2004. Effects of orientation relaxation and bore fluid chemistry on morphology and performance of polyethersulfone hollow fibers for gas separation. J. Membr. Sci., 229(1-2): p. 1-9.

  20. Qin, J.J., Y.M. Cao, Y.Q. Li, Y. Li, M.H. Oo, and H.W. Lee. 2004. Hollow fiber ultrafiltration membranes made from blends of PAN and PVP. Sep. Purif. Technol., 36(2): p. 149-155.

  21. Chen, C.L., W.T. Liu, M.L. Chong, M.T. Wong, S.L. Ong, H. Seah, and W.J. Ng. 2004. Community structure of microbial biofilms associated with membrane-based water purification processes as revealed using a polyphasic approach. Appl. Microbiol. Biotechnol., 63(4): p. 466-473.

  22. J-J Qin, M. H. Oo, M. N. Wai, K. A. Kekre, (2005), TOC removal in reclamation of municipal wastewater by RO. Sep. Purif. Technol. 46, 125-128.

  23. J-J Qin, M. H. Oo, B. Coniglio, (2005), Relationship between feed pH and permeate pH in RO process with town water as a feed. Desalination. 177, 267-2

  24. J-J Qin, M. H. Oo, F-S Wong, (2005), Effects of pH and antiscalant on fouling of RO membrane for reclamation of spent rinse water from metal plating. Sep. Purif. Technol . 46, 46-50.

  25. Kai Yu Wang, Tai-Shung Chung, J-J Qin, (2007), Polybenzimidazole (PBI) nanofiltration hollow fiber membranes applied in forward osmosis process, J. Membrane Science, 300, 6–12

  26. J-J Qin, M. H. Oo, G. Tao, K. A. Kekre, B. Cashion, R. Wenta, (2008), Pilot study on treatment of wastewater from an ethylene plant with membrane bioreactor technology. The Open Chem. Eng. J., 2, 119-124.

  27. E.R. Cornelissen, D. Harmsen, K.F. de Korte, C.J. Ruiken, J-J Qin, M.H. Oo, L.P. Wessels, (2008), Membrane fouling and process performance of forward osmosis membranes on activated sludge, J. Membr. Sci. 319, 158-168.

  28. 28. Kekre, K.A., J.J. Qin, H. Seah. 2008. Pilot Study of Dual Membrane Process for Water Reclamation in Singapore. Water Today, 1: p. 66-75.

  29. Qin, J.J., B. Liberman and K.A. Kekre. 2009. Direct Osmosis for Reverse Osmosis Fouling Control: Principles, Applications and Recent Developments. The Open Chem. Eng. J., 3: p. 8-16

  30. Qin, J.J, M.N. Wai, H.O. Maung, K.A. Kekre and H. Seah. 2009. Impact of Anti-scalant on Fouling of RO Membranes in Reclamation of Secondary Effluent. Water Sci. Technol. 60(11): p. 2767-2774.

  31. Qin, J.J, H.O. Maung, G.H. Tao, K.A. Kekre and T. Hashimoto. 2009. Pilot Study of Submerged Membrane Bioreactor for Water Reclamation. Water Sci. Technol. 60(12): p. 3269-3274.

  32. Qin J.J.*, H.O. Maung, G.H. Tao, E.R. Cornelissen, C.J. Ruiken, J. de Korte, L.P. Wessels, K.A. Kekre. 2009. Optimization of Operating Conditions in Forward Osmosis for Osmotic Membrane Bioreactor. The Open Chem. Eng. J., 3: p. 27-32.

  33. Qin, J.J, H.O. Maung, K.A. Kekre and B. Liberman. 2010. Development of Novel Backwash Cleaning Technique for Reverse Osmosis in Reclamation of Secondary Effluent. J. Membr. Sci. 346(1): p. 8-14.

  34. Qin, J.J., H.O. Maung, K.A. Kekre, E.R. Comelissen and C.J. Ruiken. 2010. Experimental Studies and Modeling on Concentration Polarization in Forward Osmosis. Water Sci. Technol. 61(11): p. 2897-2904.

  35. Qin, J.J., H.O. Maung and K.A. Kekre. 2010. Preliminary Study on Novel Backwash Cleaning for Reverse Osmosis Fouling Control in Water Reuse. Water Sci. Technol. 10(3): p. 296-301.

Used Water

  1. Xie, R., Y. Xing, Y.A. Ghani, K.E. Ooi, and S.W. Ng. 2007. Full-scale demonstration of an ultrasonic disintegration technology in enhancing anaerobic digestion of mixed primary and thickened secondary sewage sludge. J. Environ. Eng. Sci., 6(5): p. 533-541.

  2. Quen, H.L. and B.C. Raj. 2006. Evaluation of UV/O3 and UV/H2O2 processes for nonbiodegradable compounds: Implications for integration with biological processes for effluent treatment. Chem. Eng. Commun., 193(10): p. 1263-1276.

  3. Qin, J.J., M.H. Oo, and F.S. Wong. 2006. Pilot study on the treatment of spent solvent cleaning rinse in metal plating. Desalination, 191(1-3): p. 359-364.

  4. Cao, Y.S., C.M. Ang, K.S. Raajeevan, A.K. Kiran, K.C. Lai, S.W. Ng, I. Zulkifli, and Y.L. Wah. 2006. Analysis of phosphorus removal and anaerobic selector performance in a full-scale activated sludge process in Singapore. Water Sci. Technol., 54(8): p. 237-246.

  5. Raj, C.B.C. and H.L. Quen. 2005. Advanced oxidation processes for wastewater treatment: Optimization of UV/H2O2 process through a statistical technique. Chem. Eng. Sci., 60(19): p. 5305-5311.

  6. Qin, J.J., M.H. Oo, M.N. Wai, H.W. Lee, S.P. Hong, J.E. Kim, Y.J. Xing, and M.C. Zhang. 2005. Pilot study for reclamation of secondary treated sewage effluent. Desalination, 171(3): p. 299-305.

  7. Cao, Y.S., K.H. Teo, W.A. Yuen, W.Y. Long, and B. Seah. 2005. Performance analysis of anoxic selector in upgrading activated sludge process in tropical climate. Water Sci. Technol., 52(4): p. 27-37.

  8. Cao, Y.S., C.M. Ang, K.C. Chua, F. W. Woo, H. Chi, B. Bhawna, C. T. Chong, N. Ganesan, K. E. Ooi and Y. L. Wah. 2009. Enhanced biological phosphorus removal in the retrofitting from an anoxic selector to an anaerobic selector in a full-scale activated sludge process in Singapore. Water Sci. Technol., 59(5): p. 857-865.

  9. 9. Cao, Y.S. and C.M. Ang. 2009. Coupled UASB-activated sludge process for COD and nitrogen removals in municipal sewage treatment in warm climate. Water Sci. Technol., 60(11): p. 2829-2839.

Water Quality

  1. Guo, Z.X., Q.T. Cai, and Z.G. Yang. 2007. Ion chromatography/inductively coupled plasma mass spectrometry for simultaneous determination of glyphosate, glufosinate, fosamine and ethephon at nanogram levels in water. Rapid Commun. Mass Spectrom., 21(10): p. 1606-1612.

  2. Zhang, L.F., R.K. Hu, and Z.G. Yang. 2006. Routine analysis of off-flavor compounds in water at sub-part-per-trillion level by large-volume injection GC/MS with programmable temperature vaporizing inlet. Water Res., 40(4): p. 699-709.

  3. Guo, Z.X., Q.T. Cai, and Z.G. Yang. 2005. Determination of glyphosate and phosphate in water by ion chromatography - inductively coupled plasma mass spectrometry detection. J. Chromatogr. A, 1100(2): p. 160-167.

  4. Zhang, L.F., X.F. Ping, and Z.G. Yang. 2004. Determination of microcystin-LR in surface water using high-performance liquid chromatography/tandem electrospray ionization mass detector. Talanta, 62(1): p. 193-200.

  5. Yu, C.H., Q.T. Cai, Z.X. Guo, Z.G. Yang, and S.B. Khoo. 2004. Simultaneous speciation of inorganic selenium and tellurium by inductively coupled plasma mass spectrometry following selective solid-phase extraction separation. J. Anal. At. Spectrom., 19(3): p. 410-413.

  6. Zhu, Z.W., L.F. Zhang, A. Marimuthu, and Z.G. Yang. 2003. Large-volume sample stacking combined with separation by 2-hydroxypropyl-b-cyclodextrin for analysis of isoxyzolylpenicillins by capillary electrophoresis. Electrophoresis, 24(17): p. 3089-3096.

  7. Yu, C.H., Q.T. Cai, Z.X. Guo, Z.G. Yang, and S.B. Khoo. 2003. Speciation analysis of tellurium by solid-phase extraction in the presence of ammonium pyrrolidine dithiocarbamate and inductively coupled plasma mass spectrometry. Anal. Bioanal. Chem., 376(2): p. 236-242.

  8. Yu, C.H., Q.T. Cai, Z.X. Guo, Z.G. Yang, and S.B. Khoo. 2003. Inductively coupled plasma mass spectrometry study of the retention behavior of arsenic species on various solid phase extraction cartridges and its application in arsenic speciation. Spectroc. Acta Pt. B-Atom. Spectr., 58(7): p. 1335-1349.

  9. Guo, Z.X., Q.T. Cai, C.H. Yu, and Z.G. Yang. 2003. Determination of bromate and bromoacetic acids in water by ion chromatography-inductively coupled plasma mass spectrometry. J. Anal. At. Spectrom., 18(11): p. 1396-1399.

  10. Cai, Q.T., Z.X. Guo, C.H. Yu, W. Zhang, and Z.G. Yang. 2003. Bromate assay in water by inductively coupled plasma mass spectrometry combined with solid-phase extraction cartridges. Anal. Bioanal. Chem., 377(4): p. 740-748.

  11. Yu, C.H., Q.T. Cai, Z.X. Guo, Z.G. Yang, and S.B. Khoo. 2002. Antimony speciation by inductively coupled plasma mass spectrometry using solid phase extraction cartridges. Analyst, 127(10): p. 1380-1385.

  12. 12. Wu J.M., R.K. Hu, J.Q. Yue, Z.G. Yang, L.F. Zhang. 2008. Study on the Derivatization Process using N-O-Bis-(Trimethylsilyl)-Trifluoroacetamide, N-(tert- butyldimethylsilyl)-N-methyltrifluoroacetamide, Trimethylsilydiazomethane for the Determination of Fecal Sterols by Gas Chromatography-Mass Spectormetry. World Academy of Science, Engineering and Technology, 34: p. 443-446

  13. 13. Wu J.M., J.Q. Yue, R.K. Hu, J.Q. Yue, Z.G. Yang, L.F. Zhang. 2008. Use of Caffeine and Human Pharmaceutical Compounds to Identify Sewage Contamination. World Academy of Science, Engineering and Technology, 34: p. 438-442.

  14. 14. Hu R.K., L.F. Zhang, Z.G. Yang. 2008. Picogram determination of N-nitrosodimethylamine in water. Water Sci. Technol., 58(1): p. 143-151.

  15. Yue, J.Q., L.F. Zhang and Z.G. Yang. 2009. Detection of Ricin Toxin in Water by Using Immunoassays. Int. J. Environ. Anal. Chem., 89(8): p. 821-833.

  16. Wu, J.M., R.K. Hu, J.Q. Yue, Z.G. Yang and L.F. Zhang. 2009. Determination of Fecal Sterols by Gas Chromatography-Mass Spectrometry with Solid-Phase Extraction and Injection-Port Derivatization. J. Chromatogr. A, 1216(7): p. 1053-1058.

  17. Li S.P., Z.X. Guo, Y. Liu, Z.G. Yang, H.K. Hui. 2009. Integration of microfiltration and anion-exchange nanoparticles-based magnetic separation with MALDI mass spectrometry for bacterial analysis. Talanta, 80(1), p. 313-320.

  18. Guo Z.X., Y. Liu, S.P. Li, Z.G. Yang. 2009. Interaction of Bacteria and Ion-exchange Particles and Its Potential in Separation for Matrix-Assisted Laser Desorption/ Ionization Mass Spectrometric Identification of Bacteria in Water. Rapid Commun. Mass Spectrom, 23(24): p. 3983-3993.

  19. Li S.P., Z.X. Guo, H.F. Wu, Y. Liu, Z.G. Yang, C.H. Woo. 2010. Rapid analysis of Gram-positive bacteria in water via membrane filtration coupled with nanoprobe-based MALDI-MS. Anal. Bioanal. Chem., 397: p. 2465-2476

Water Treatment

  1. Qin, J.J., M.H. Oo, K.A. Kekre, F. Knops, and P. Miller. 2006. Impact of coagulation pH on enhanced removal of natural organic matter in treatment of reservoir water. Sep. Purif. Technol., 49(3): p. 295-298.

  2. Qin, J.J., M.H. Oo, K.A. Kekre, F. Knops, and P. Miller. 2006. Reservoir water treatment using hybrid coagulation-ultrafiltration. Desalination, 193(1-3): p. 344-349.

  3. Teo, K.C., C. Yang, R.J. Xie, N.K. Goh, and L.S. Chia. 2003. Destruction of model organic pollutants in water using ozone, UV and their combination (Part I). Water Sci. Technol., 47(1): p. 191-196.

  4. Tay, T.K., R. Singh, C.L. Lim, W.L. Yeo and H.C. Chong. 2008. Achieving Low Unaccounted-For-Water through Reliable Supply to Customers and Efficient Network Management, Wat. Pract. Technol., 3(4).

Last updated on 15 Oct 2010