Conference Publications

1. Naidoo, P., J. L. Mulopo and D. Ramjugernath, “Addressing the Challenges of Large Class Sizes and Student Retention of Chemical Engineering Students at UKZN”, PEEC – Process Engineers Educators’ Conference, University of Pretoria, South Africa, 25 September 2007.

2. Subramoney, S. C., W.M. Nelson, P. Naidoo, D. Ramjugernath, A. Chareton, A. Valtz,
C. Coquelet, and D. Richon, “Measurement and Modeling of High Pressure Vapour-Liquid Equilibrium Data for Binary Systems Consisting of HFP and HFPO with Toluene, CO2, R116 and R123”, 2007 AICHE Annual Meeting, Salt Lake City, USA, 3 – 6 November 2007. [Peer-reviewed abstract].


3. Subramoney, S. C., W.M. Nelson, P. Naidoo, D. Ramjugernath, A. Chareton, A. Valtz,
C. Coquelet, and D. Richon, “Measurement and Modeling of High Pressure Vapour-Liquid Equilibrium Data for Binary Systems Consisting of HFP and HFPO with Toluene, CO2, R116 and R123”, 30th International Conference on Solution Chemistry, Perth, Australia, 16 – 20 July 2007.

4. Moodley, P., K. Ireland, D. Ramjugernath, P. Naidoo and J.D. Raal, “Vapour-Liquid Equilibria Measurements at 20 kPa on Systems of 2,3-Pentanedione with Ethanol, Cyclohexane, n-Hexane and Crotonaldehyde”, Electronic proceedings, 2006 South African Chemical Engineering Congress, Durban, RSA, 20-22 September 2006. [Full-manuscript, peer reviewed].

5. Narasigadu, C., D. Ramjugernath, J.D. Raal and P.Naidoo, “Measurement and Correlation of Ternary Liquid-liquid Equilibria at 323.15 K and 1 atm”, Electronic proceedings, 2006 South African Chemical Engineering Congress, Durban, RSA, 20-22 September 2006. [Full-manuscript, peer reviewed].

6. Mariah, L., C.A. Buckley, P. Naidoo, C.J. Brouckaert, D. Ramjugernath, E. Curio, E. Drioli, and D. Jaganyi, “Thermodynamic Modelling of Vapour Pressures During the Membrane Distillation and Crystallization of Concentrated Mixed Brines”, Electronic proceedings, 2006 South African Chemical Engineering Congress, Durban, RSA, 20-22 September 2006. [Full-manuscript, peer reviewed].

7. Narasigadu, C., D. Ramjugernath, J.D. Raal and P. Naidoo, “Measurement and Correlation of Ternary Liquid-Liquid Equilibria of Acetonitrile and Water with n-Dodecane, 1-Dodecene, Nonanol and Heptanoic Acid at 323.15 K and 1 atm”, 19th International Conference on Chemical Thermodynamics, p. 635, Boulder, USA, 30 July to 4 August 2006. [Extended abstract, peer-reviewed].

8. Moodley, P., K.I. Ireland, D. Ramjugernath, P. Naidoo and J.D. Raal, “Isobaric Vapour-Liquid Equilibria for the Systems of 2,3-Pentanedione with Ethanol, Cyclohexane, n-Hexane and Crotonaldehyde at 20 kPa”, 19th International Conference on Chemical Thermodynamics, p. 634, Boulder, USA, 30 July to 4 August 2006. [Extended abstract, peer-reviewed].

9. Mariah L., C. Brouckaert, E. Drioli, E. Curico, D. Jigani, P. Naidoo and C. Buckley, “The Development Of Sustainable Salt Sinks With The Scope Of Producing Value-Added-Products And Re-Usable Water: Evaluation Of An Integrated Membrane System For The Recovery And Purification Of Magnesium Sulphate And Sodium Chloride From Brine Streams”, WISA / IWA Conference: Management of residues emanating from water and wastewater treatment , Johannesburg, South Africa, August 2005. [Extended abstract, peer-reviewed].

10. Naidoo P., D. Ramjugernath and J. D. Raal, “Determination Of Henry’s Constants For Binary Systems Consisting Of Toluene, N-Propanol And Cyclopentanol With Carbon Dioxide And Propane”, 18th IUPAC Conference on Chemical Thermodynamics (ICCT 2004), Beijing, China, 17 – 21 August 2004. [Extended abstract, peer-reviewed].

11. Naidoo P., D. Ramjugernath and J. D. Raal, “Measurement and modeling of Vapour-Liquid Equilibria for Binary Mixtures Cyclopentanol with Propane and Carbon Dioxide”, 2003 South African Chemical Engineering Congress, Sun City, South Africa, 3-5 September 2003. [Full-manuscript, peer reviewed].

12. Naidoo P., D. Ramjugernath and J. D. Raal, “Measurement and modeling of Vapour-Liquid Equilibria for Binary Mixtures of Carbon Dioxide with Toluene and Methanol and the Carbon Dioxide + Methane + Methanol System”, 4th International Symposium on High Pressure Technology and Chemical Engineering-Venice HP, Lido de Venezia - Italy, 22-25 September 2002. [Full-manuscript, peer reviewed].

13. Naidoo P., D. Ramjugernath and J. D. Raal, “Measurement and modeling of vapour-liquid equilibria for binary mixtures of Propane with 1-Propanol and Cyclopentanol”, 17th IUPAC Conference on Chemical Thermodynamics (ICCT 2002), Rostock, Germany, 28 July – 2 August 2002. [Extended abstract, peer-reviewed].

14. Ramjugernath, D., J.D. Raal, K. Moodley and P. Naidoo, "High Pressure Vapour-Liquid Equilibrium Measurement: New Static and Dynamic Equilibrium Equipment", ICHEAP-5 Conference, Florence, Italy, 20-23 May 2001. [Full-manuscript, peer reviewed].

15. Ramjugernath, D., J.D. Raal and P. Naidoo, "Modelling of High-Pressure Vapour-Liquid Equilibrium Data: A Comparison of the Direct and Combined Methods", 9th National Meeting of the South African Institute of Chemical Engineers, Secunda, South Africa, 8-14 October 2000. [Full-manuscript, peer reviewed].

16. Naidoo, P., D. Ramjugernath and J.D. Raal, "Direct or Combined: Choosing the Appropriate Method when Modeling Highly Non-Ideal Systems", 16th IUPAC Conference on Chemical Thermodynamics, Halifax, Canada, 6-11 August 2000. [Extended abstract, peer-reviewed].


Journal Publications


1. Trevor M Letcher, Deresh Ramjugernath, Marta Laskowska, Marek Królikowski, Paramespri Naidoo and Urszula Maria Domanska, “Activity coefficients at infinite dilution measurements for organic solutes in the ionic liquid trihexyltetradecylphosphonium Bis(trifluoromethylsulfonyl) Imide, Using Gas−Liquid Chromatography at T = (303.15, 308.15, 313.15, and 318.15) K”, The Journal of Chemical Engineering Data, 2008, in press.

2. Paramespri Naidoo, Johann David Raal and Deresh Ramjugernath, “A New High Pressure Vapour-Liquid Equilibrium Apparatus”, Fluid Phase Equilibria, 2008, in press.

3. Trevor M Letcher, Deresh Ramjugernath, Marta Laskowska, Marek Królikowski, Paramespri Naidoo and Urszula Maria Domanska, “Activity coefficients at infinite dilution measurements for organic solutes in the ionic liquid trihexyltetradecylphosphonium bis (2,4,4-trimethylpentyl) phosphinate using g.l.c. at T = (303.15, 308.15, 313.15, and 318.15) K”, The Journal of Chemical Thermodynamics, 2008, in press.


4. Narasigadu C., Ramjugernath, J. D. Raal and P. Naidoo, Ternary Liquid-Liquid Equilibria of Acetonitrile and Water with Heptanoic Acid and Nonanol, Journal of Chemical & Engineering Data, submitted for review.


5. Naidoo P., D. Ramjugernath and J. D. Raal, “Measurement and Modeling of HPVLE data for the binary systems consisting of CO2 + Cyclopentanol and Propane + Cyclopentanol”, Journal of Chemical & Engineering Data, in preparation.

6. W. Nelson, Subramoney, S. C., A. Chareton, A. Valtz, C. Coquelet, D. Richon, P. Naidoo and D. Ramjugernath, Vapour-liquid equilibrium measurements for the fluorocarbons HFP and HFPO in the solvents CO2 and R116, Journal of Chemical & Engineering Data, in preparation.

7. Subramoney, S. C., W. Nelson, A. Chareton, A. Valtz, C. Coquelet, D. Richon, P. Naidoo and D. Ramjugernath, Vapour-liquid equilibrium measurements for the fluorocarbons HFP and HFPO in the solvents Toluene and R123, Journal of Chemical & Engineering Data, in preparation.


Technical Reports


1. Subramoney, S. C., W. Nelson, A. Chareton, A. Valtz, C. Coquelet, D. Richon, P. Naidoo and D. Ramjugernath, Vapour-liquid equilibrium measurements for the fluorocarbons HFP and HFPO in the solvents CO2, Toluene, R116 and R123, ARMINES – KwaZulu Natal University, Contract no: 60818, CEP/TEP, 2007.

2. Nelson, W., S. Subramoney, P. Naidoo and D. Ramjugernath, Solvent selection for the separation of hexafluoropropylene (HFP) and hexafluoropropylene oxide (HFPO), NECSA, 2006.


3. Ramjugernath, D. and P. Naidoo, Vapour-Liquid Equilibrium Data for the Diacetyl + Water and Diacetyl + Acid Water Systems, ILLOVO Sugar, 2001.

4. Naidoo, P. and D. Ramjugernath, Liquid-liquid Equilibria Measurements for the 2,3-Pentanedione + Water System, ILLOVO Sugar, 2001.

5. Ramjugernath, D. and P. Naidoo, Vapour-Liquid Equilibria for the Thymol + Pseudo A (4 IMP and 5 IMP) System at 300 mmHg, AECI/CSIR 2001.

6. Ramjugernath, D. and P. Naidoo, DECEHEMA Literature Search of 10 Component Matrix, ILLOVO Sugar, 2000.


Contract Work Undertaken


1. Ramjugernath, D., P. Naidoo, and A. Khanyile, Investigation of Cloud Point Temperatures of Biodiesel Mixtures, Pentatech, 2006.

2. Naidoo, P., D. Ramjugernath and A. Khanyile, Making briquettes from residue flour, Tiger Brand, 2006.

3. Naidoo, P. Distillation studies of a multicomponent mixture for Illovo, 2004.

4. Naidoo P. and N. du Preez, Set up crystallization unit for low temperature studies for Brix-Berg, 2003.

5. Ramjugernath, D., P. Naidoo and M. Soni, Purification of ethylene and propylene glycol from crude mixtures for TSB, 2003.

6. Ramjugernath, D. and P. Naidoo, Development of a liquid-liquid equilibrium still for DIT, 2002.

7. Naidoo, P. and D. Ramjugernath, Extraction of oils from two species of eucalyptus and study into the feasibility of commercial extraction for Mr Ian Hill, 2002.

8. Ramjugernath, D. and P. Naidoo, Development of a vapour-liquid equilibrium still for DIT, 2002.

9. Naidoo, P. and D. Ramjugernath, Gas chromatographic analysis of fragrances for Sensory FX, 2002.

10. Ramjugernath, D. and P. Naidoo, M. Soni and R. Sewnarain, Production of Pseudo A (neomenthol + neoisomenthol + impurities) and Pseudo B (menthol + isomenthol) and testing of distillation for CSIR/AECI, 2001.

11. D. Ramjugernath, P. Naidoo and M. Soni, Measurement of VLE for the Thymol + pseudo A (4-IMP and 5-IMP) system for AECI/CSIR, 2001.

12. Ramjugernath, D. and P. Naidoo, Measurement of LLE for the 2,3-Pentanedione + Water System for ILLOVO Sugar, 2001.

13. Ramjugernath, D. and P. Naidoo, Measurement of VLE for the DMF + Water system at 70 oC for Research Enterprises at the University of Pretoria, 2001.

14. Ramjugernath, D. and P. Naidoo, Measurement of VLE for the DMF + Water + DMA system at 85 oC for Research Enterprises at the University of Pretoria, 2001.

15. Ramjugernath, D. and P. Naidoo, Literature survey for binary VLE data for a matrix of ten components for ILLOVO Sugar, 2000.