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Dr Yung Ngothai

Senior Lecturer

B.E. (Chem.) RMIT
Ph.D, RMIT

Location: Room 212a Engineering North
Email: yngothai@chemeng.adelaide.edu.au
Phone:+ 61 8 8303 5445
FAX: + 61 8 8303 4373

Interests

• Minerals, materials and biomaterials engineering
• Rheology of suspension/dispersion/ emulsion
• Corrosion and scaling in geothermal process
• Wastewater treatment systems
  

Recent Publications

• F. Xia, J. Zhou, J. Brugger, Y. Ngothai, B. O'Neill, G. Chen, A. Pring, "A novel route to synthesize complex metal sulfides: hydrothermal coupled dissolution-reprecipitation replacement reactions", Chemistry of Materials Vol. 20, 2809-2817 (2008).
• F. Xia, J. Zhou, A. Pring, Y. Ngothai, B. O'Neill, J. Brugger, G. Chen and C. Cobly, "The role of pyrrhotite (Fe7S8) and the sample texture in the hydrothermal transformation of pentlandite ((Fe,Ni)9S8) to violarite ((Ni,Fe)3S4)", Reaction Kinetics and Catalysis Letters. Vol. 92, No. 2, 257-266 (2007).
• F. Xia, G. Chen, A. Pring, J. Brugger, Y. Ngothai, B. O'Neill, C. Cobly, C. Tenailleau, H. Wang, Y. Yang, "Kinetics and Mechanism of Hydrothermal Alteration from Pentlandite to Violarite", Acta Geologica Sinica, Vol 81, No. 10, 1378-1390, (2007).
• G. Kuncoro, Y. Ngothai, D. Sweeney, B. O'Neill, U. Kaeding, "Investigation of potato starch and sonicated RAS as alternative carbon sources for biological nitrogen removal", International Journal of Environment and Waste Management. Accepted 12 April 2007.
• B. Thierry, P. Majewski, Y. Ngothai, Y. Shi, "Preparation of monodisperse functionalized nanoparticles", International Journal Nanotechnology, Vol. 4, No. 5 (2007).
• D.P. Liu, P. Majewski, B.K. O'Neill, Y. Ngothai, C.B. Colby, "The optimal SAM surface functional group for producing a biomimetic HA coating on Ti", Journal of Biomedical Materials Research Part A, Vol. 77A(4), 763-772 (2006).
• B. O'Neill, C. Tenailleau, Y. Ngothai, A. Studer, J. Brugger, A. Pring, "A flow-through hydrothermal cell for in-situ neutron diffraction studies of phase transformation", Physica B, Vol. 385-386, 942-945 (2006).
• H. Wang, A. Pring, F. Wu, F. Chen, J. Jiang, G. Xia, J. Zhang, Y. Ngothai, B. O'Neill, "Effect of cation vacancy and crystal superstructure on thermodynamics of iron monosulfides", Journal of Sulfur Chemistry, Vol. 27(3), 271-282 (2006).
• H. Wang, A. Pring, Y. Ngothai, B. O'Neill, "The kinetics of the a®b transition in synthetic nickel monosulfide", American Mineralogist, Vol. 91 (1), 171-181 (2006).
• H. Wang., A. Pring, Y. Ngothai, B. O'Neill, "The mechanism and kinetics of α-NiS oxidation in the temperature range 670 - 700oC", American Mineralogist, Vol. 91 (4), 537-543 (2006).
• H. Wang, A. Pring, Y. Ngothai, B. O'Neill, "Phase evolution and kinetics of the oxidation of monosulfide solid solution under isothermal conditions", Thermochimica Acta, Vol. 427(1-2), 13-25 (2005).
• H. Wang, A. Pring, Y. Ngothai, B. O'Neill, "A low-temperature kinetic study of the exsolution of pentlandite from the monosulfide solid solution using a reined Avrami method", Geochimica et Cosmochimica Acta, Vol. 69(2), 415-425 (2005).
• H. Wang, F. Wu, Y. Ngothai, B. O'Neill, "A kinetic model of the ‘Fe2+ oxidation' process for colour enhancement in natural marble", Materials Chemistry Physics, Vol. 86(1), 51-58 (2004)