[K. D. P. Nigam]
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  Publications

  1. Safa Kutup Kurt, Iris Vural Gürsel, Volker Hessel, K. D. P. Nigam, Norbert Kockmann, ‘Liquid-Liquid Extraction System with Microstructured Coiled Flow Inverter and Other Capillary Setups for Single-Stage Extraction Applications', Chemical Engineering Journal, Accepted (2016).

  2. Iris Vural Gürsel, Safa Kutup Kurt, Qi Wang, Timothyl Noël, K. D. P. Nigam, Norbert Kockmann, Volker Hessel, ‘Utilization of Milli-scale Coiled Flow Inverter in Combination with Phase Separator for Continuous Flow Liquid-Liquid Extraction Processes', Chemical Engineering Journal, Accepted (2016).

  3. Garima Chauhan, Matthias Stein, Andreas Seidel-Morgenstern, K. K. Pant, K. D. P.Nigam, ‘The Thermodynamics and Biodegradability of Chelating Agents Upon Metal Extraction', Chemical Engineering Science, doi:10.1016/j.ces.2015.07.028, (2015).

  4. Chauhan G., Pant K.K., Nigam K.D.P, ‘ Conceptual mechanism and kinetic studies of chelating agent assisted metal extraction process from spent catalyst', Journal of Industrial and Engineering Chemistry., 27 373-383 (2015).

  5. Chauhan G., Pant K.K., Nigam K.D.P, ‘ Chelation Technology: A Promising Green Approach for Resource Management and Waste Minimization', Environ. Sci. : Process. Impacts., 17 12-40 (2015).

  6. Jogender Singh, Nehachoudhary, K.D.P. Nigam, ‘The Thermal and Transport Characteristics of Nanofluids in a Novel Three Dimensional Device', Canadian Journal of Chemical engineering, DOI: 10.1002/cjce.22045 (2014).

  7. Desavath Naik, Vimal Kumar, Basheshwar Prasad, Babita Behera, Neeraj Atheya, Dr. D. K. Adhikari, Krishna D.P. Nigam, Madhukar Garg, ‘Catalytic Cracking of C2-C3 Carbonyls with Vacuum Gas Oil’, Industrial & Engineering Chemistry Research, DOI: 10.1021/ie50133b (2014).

  8. Jogender Singh, Norbert Kockmann, KDP Nigam, ‘Novel Three-Dimensional Microfluidic Device for Process Intensification', Chemical Engineering and Processing: Process Intensification 86, 78–89 (2014).

  9. StoyanNedeltchev, Krishna D.P. Nigam, Adrian Schumpe, ‘Prediction of mass transfer coef?cients in a slurry bubble column basedon the geometrical characteristics of bubbles’, Chemical Engineering Science, 106, 119–125 (2014)

  10. Arnab Atta, Shantanu Roy, Faical Larachi, Krishna D.P. Nigam, ‘Cyclic operation of trickle bed reactors: A review’, Chemical Engineering Science, 115, 205–214 (2014).

  11. Garima Chauhan, Kamal K. Pant, Krishna D.P. Nigam, ‘Metal Recovery from Hydro-processing Spent Catalyst: A Green Chemical Engineering Approach’, Industrial & Engineering Chemistry Research, 52, 16724-16736 (2013).

  12. Endre Nagy, Krishna D. P. Nigam, ‘Three-phase mass transfer: Application of the pseudo-homogeneous and heterogeneous models’, American Journal of Chemical Engineering., 1, 24-35 (2013).

  13. Garima Chauhan, Kamal K. Pant, K.D.P.Nigam, ‘Development of green technology for extraction of nickel from spent catalyst and its optimization using response surface methodology’, Green Processing and Synthesis, 2, 259-271 (2013).

  14. Jogender Singh, Vikrant Verma, and Krishna Nigam, ‘The Flow Characteristics of Power-Law Fluids in Coiled Flow Inverter’,Ind. Eng. Chem. Res., 52, 207–221 (2013).

  15. Garima Chauhan, Kamal K. Pant, and Krishna D. P. Nigam, ‘Extraction of Nickel from Spent Catalyst Using Biodegradable Chelating Agent EDDS’, Ind. Eng. Chem. Res., 51, 10354–10363 (2012).

  16. Vimal Kumar and Krishna Deo Prasad Nigam, 'Process Intensification in green synthesis’, Green Process and Synthesis, 1, 79–107 (2012).

  17. Monisha Mridha Mandal, Palka Aggarwal, and K. D. P. Nigam, ‘Liquid–Liquid Mixing in Coiled Flow Inverter’, Ind. Eng. Chem. Res., 50, 13230–13235 (2011).

  18. Vimal Kumar and K.D.P. Nigam, 'Single-Phase Fluid Flow and Mixing in Microchannels', Chemical Engineering Science, 66, 1329-1373 (2011).

  19. Monisha Mridha Mandal, Christoph Serra, Yannick Hoarau, K.D.P. Nigam,'Numerical Modeling of Polystyrene in Coiled Flow inverter'.Microfluidics and Nanofluidics, 10, 415-423 (2011).

  20. Arnab Atta, M. Schubert, K.D.P. Nigam, S. Roy, F. Larachi, 'Co-current Descending Two-phase Flows in Inclined Packed Beds: Experiments versus Simulations'.Canadian Journal of Chemical Engineering, 88, 742–750 (2010).

  21. Siddhartha. F. Lunkad, R. N. Maiti, Vivek V. Buwa and K.D.P. Nigam, 'Numerical Study Of Drop Spreading Over Saturated Pores' , Canadian Journal of Chemical Engineering, 88, 661-670 (2010).

  22. Raminder Kaur, K.D.P. Nigam and M. Ramakrishna, 'Effect of ketone concentration on ketazine formation' .Chemical Engineering Communications, 197, 481–490 (2010).

  23. Arnab Atta, M. Hamidipour, S. Roy, K.D.P. Nigam, F. Larachi, 'Propagation of Slow Fast-Mode Solitary Liquid Waves in Trickle Beds via Electrical Capacitance Tomography and Comptational Fluid Dynamics'. Chemical Engineering Science, 65, 1144-1150 (2010).

  24. Monisha Mridha Mandal, Vimal Kumar and K.D.P. Nigam, ‘Augmentation of Heat Transfer Performance in Coiled Flow Inverter vis-à-vis Conventional Heat Exchanger’.Chemical Engineering Science, 65, 999-1007 (2010).

  25. Arnab Atta, Shantanu Roy and K. D. P. Nigam, ‘A Two-phase Eulerian Approach using Relative Permeability Concept for Modeling of Hydrodynamics in Trickle Bed Reactorsat Elevated Pressure’. Chemical Engineering Research and Design, 88, 369-378 (2010).

  26. VuyyuruKoteswara, Pant Kamal, Krishnan Venkatesan and Nigam Krishna, ''Recovery of Nickel from Spent Industrial Catalysts using Chelating agents'. Industrial and Engineering Chemistry Research, 49, 2014–2024, (2010).

  27. Monisha Mridha Mandal and K. D. P. Nigam, ‘Experimental Study on Pressure Drop and Heat Transfer of Turbulent Flow in Tube in Tube Helical Heat Exchanger’. Industrial and Engineering Chemistry 48, 9318-9324 (2009).

  28. Shina Goel, K.K. Pant and K. D. P. Nigam. ‘Extraction of nickel from spent catalyst using fresh and recovered EDTA’. Journal of Hazardous Materials, 171, 253–261 (2009).

  29. Arnab Atta, S. A. Razzak, K. D. P. Nigam and Jesse Zhu, ‘(Gas)-Liquid-Solid Circulating Fluidized Bed Reactors: Characteristics and Applications’.Industrial and Engineering Chemistry Research, 48, 7876-7892 (2009).

  30. Arnab Atta, Shantanu Roy and Krishna D. P. Nigam, ‘CFD Prediction of Hydrodynamics in High-pressure Trickle Bed Reactor’.Journal of Chemical Engineering of Japan, 42 (suppl.1), 119-124 (2009).

  31. Subhashini Vashisth and K.D.P. Nigam, ‘Prediction of Flow Profiles and Interfacial Phenomena for Two-Phase Flow in Coiled Tubes’, Chemical Engineering and Processing:Process Intensification, 48, 452-463 (2009).

  32. Rabindranath Maiti, Arnab Atta and K.D.P. Nigam, ‘Effect of Particle Porosity on Hysteresis in Trickle-Bed Reactors’.Industrial and Engineering Chemistry Research, 47, 8126 – 8135 (2008).

  33. Subhashini Vashisth, Vimal Kumar and Krishna D.P.Nigam, 'A Review on the Potential Application of curved Geometries in Process Industries',Indurtial and Engineering Chemistry Research, 47, 3291-3337 (2008).

  34. Monisha Mridha and K.D.P. Nigam, 'Coiled Flow Inverter as an Inline Mixer', Chemical Engineering Science, 63, 1724-1732 (2008).

  35. Monisha Mridha and K.D.P. Nigam, 'Numerical Study of Turbulent Forced Convection in Coiled Flow Inverter', Chemical Engineering and Processing: Process Intensification,  47, 893-905 (2008).

  36. Raminder Kaur, M. Ramakrishna and K.D.P. Nigam, 'Kinetics Studies of Ketazine Formation: Effect of Temperature and Catalyst Concentration', Canadian Journal of Chemical Engineering, 86, 99-104 (2008).

  37. Subhashini Vashisth and K.D.P. Nigam, 'Liquid-Phase Residence Time Distribution for Two-Phase Flow in Coiled Flow inverter', Industrial Engineering Chemistry Research, 47, 3630-3638 (2008).

  38. Subhashini Vashisth and K.D.P. Nigam, 'Experimental Investigation of Void Fraction and Flow Patterns in Coiled Flow Inverter', Chemical Engineering and Processing, 47, 1287-1297 (2008).

  39. Vimal Kumar, Vaibhav Shirke and K.D.P. Nigam, 'Performance of Kenics Static Mixer at higher Reynolds number', Chemical Engineering Journal, 139, 284-295 (2008).

  40. Vimal Kumar, Monisha Mridha, Burhanuddin Faizee and K. D. P. Nigam, 'Numerical Studies of a Tube-in-Tube Helically Coiled Heat Exchanger', Chemical Engineering and Processing: Process Intensification, 47, 2287-2295 (2008).

  41. Hitesh Chawla, Rajesh Khanna, A.A. Adesina and K.D.P. Nigam, 'A Homogeneous Model for Mass Transfer Enhancement in Gas-Liquid-Liquid Systems', Chemical Engineering Communications, 195(6), 622-643 (2008).

  42. Tirupati Reddy Keshav, P.Somaraju, K.Kalyan, A.K. Saroha and K.D.P. Nigam, 'Liquid Phase Residence Time Distribution for Two Phase Flow in Kenics Static Mixer', Chemical Engineering and Processing: Process Intensification, 47, 2275-2280 (2008).

  43. Arnab Atta, Shantanu Roy and K.D.P. Nigam, 'Investigation of Liquid Maldistribution in Trickle-bed Reactors using Porous Media Concept in CFD', Chemical Engineering Science, 62, 7033-7044 (2007).

  44. Vimal Kumar, Subhashini Vashisth, Yannick Hoarau and K.D.P. Nigam, 'Slug Flow in Curved Microreactors: Hydrodynamic Study', Chemical Engineering Science, 62, 7494-7504 (2007).

  45. S. Lunkad, V.V. Buwa and K.D.P. Nigam, 'Numerical Simulations of Drop Spreading on Horizontal and Inclined Surfaces: Dynamic Contact Angle,' Chemical Engineering Science, 62, 7214-7224 (2007).

  46. Arnab Atta, Shantanu Roy and K.D.P. Nigam, 'Prediction of Pressure Drop and Liquid Holdup in Trickle Bed Reactor using Relative Permeability Concept', Chemical Engineering Science, 62, 5870-5879 (2007).

  47. Vimal Kumar, Monisha Mridha, A.K. Gupta and K.D.P. Nigam, 'Coiled Flow Inverter as a Heat Exchanger', Chemical Engineering Science, 62, 2386-2396 (2007).

  48. Vimal Kumar and K.D.P. Nigam, 'Laminar Convective Heat Transfer in Chatoic configuration', International Journal of Heat and Mass Transfer, 50, 2469-2479 (2007).

  49. Subhashini Vashisth and K.D.P. Nigam, 'Experimental Investigation of Two Phase Pressure Drop in Coiled Flow Inverter: An Experimental Investigation', Industrial Engineering Chemistry Research, 46, 5043-5050 (2007).

  50. Vimal Kumar, Pooja Gupta and K.D.P. Nigam, 'Fluid Flow and Heat Transfer in Curved Tubes with Temperature dependent Properties', Industrial Engineering Chemistry Research, 46, 3226-3236 (2007).

  51. R.N. Maiti and K.D.P. Nigam, 'Vapor liquid distributors for Trickle-Bed Reactors: A Review', Industrial Engineering Chemistry Research, 46, 6164-6182 (2007).

  52. Raminder Kaur, M.Ramakrishna and K.D.P. Nigam, 'Role of Dispersed phase in Gas-Liquid Reactions: A Review', Reviews in Chem. Engineering, 23(3-4), 247-300 (2007).

  53. Raminder Kaur, Ramakrishna and K.D.P. Nigam, 'Agitation Effects in a Gas-Liquid-Liquid Reactor System: Methyl Ethyl Ketazine Production', International Journal of Chemical Reactor Engineering, 5, A27 (2007).

  54. Vimal Kumar, Supreet Saini, Manish Sharma and K.D.P. Nigam, 'Pressure drop and heat transfer study in tube-in-tube helical heat exchanger', Chemical Engineering Science, 61, 4403-4416 (2006).

  55. Vimal Kumar, Mohit Aggarwal and K.D.P. Nigam, 'Mixing in Curved Tubes', Chemical Engineering Science, 61, 5742-5753 (2006).

  56. R.N.Maiti, Rajesh Khanna and K.D.P.Nigam, 'Hysteresis in Trickle Bed Reactors: A Review', Industrial Engineering Chemistry Research, 45, 5185-5198 (2006).

  57. Subhashini Ghorai and K.D.P. Nigam, 'CFD modeling of Flow Profiles and Interfacial Phenomenon in Two-Phase Flow in pipes', Chemical Engineering and Processing, 45, 55-65 (2006).

  58. T.R. Rao, Dean J. Benke, Mark S. Wainwright and K.D.P. Nigam, 'Kinetics of Silica Dissolution from Rice-husk Char', Canadian Journal of Chemical Engineering, 84, 688-692 (2006).

  59. R.N.Maiti, Rasik Arora, Rajesh Khanna and K.D.P.Nigam, 'Liquid spreading on Porous solids: Dual action of Pores', Chemical Engineering Science, 60, 6235-6239 (2005).

  60. Subhashini Ghorai, Vishal Suri and K.D.P. Nigam, 'Numerical Modeling of Three-Phase Stratified Flow in Pipes', Chemical Engineering Science, 60, 6637-6648 (2005).

  61. K.D.P. Nigam and F. Larachi, 'Process Intensification in Trickle Bed Reactors', Chemical Engineering Science (Special Issue - GLS-7), 60, 5880-5894 (2005).

  62. Vimal Kumar and K.D.P. Nigam, 'Numerical Simulation of steady flow fields in coiled flow Inverter', International Journal of Heat and Mass Transfer, 48, 4811-4828 (2005).

  63. R.N.Maiti, Rajesh Khanna and K.D.P.Nigam, 'Trickle Bed Reactors: Porosity induced hysteresis', Industrial Engineering Chemistry Research, 44, 6406-6413 (2005).

  64. K.D.P. Nigam, Arunabha Kundu, 'Hydrodynamics of Trickle Bed Reactor', Encyclopedia of Chemical Processing, 1297-1305 (2005), Edited by Taylor & Francis, Inc.: New York, USA.

  65. K.D.P. Nigam, Arunabha Kundu, Nishith Dwivedi & Azad Singh, 'Hydrotreating Catalysts and Processes - Current Status and Path Forward', Encyclopedia of Chemical Processing, 1357-1365 (2005), Edited by Taylor & Francis, Inc.: New York, USA.

  66. K.D.P. Nigam and Vimal Kumar, 'Mass Transfer Enhancement due to Flow Instabilities', Encyclopedia of Chemical Processing, 1531-1550 (2005), Edited by Taylor & Francis, Inc.: New York, USA.

  67. R.N. Maiti, R. Khanna and K.D.P. Nigam, 'Enhanced Liquid Spreading Due to Porosity', Chemical Engineering Science, 59, 2817-2820 (2004).

  68. B. Bhatia, K.D.P. Nigam, D. Auban, and G. Hebrard, 'Effect of a new high porosity packing on hydrodynamics and mass transfer in bubble column', Chemical Engineering and Processing, 43, 1371-1380 (2004).

  69. Azad Singh, K.K. Pant, K.D.P. Nigam, 'Catalytic wet oxidation of phenol in a trickle bed reactor', Chemical Engineering Journal, 103, 51-57 (2004).

  70. R.N. Maiti, P.K. Sen, and K.D.P. Nigam, 'Trickle Bed Reactors: Liquid Distribution and Flow Texture-A Review', Reviews in Chemical Engineering, 20, 57-109 (2004).

  71. Arunabha Kundu, R.P. Verma and K.D.P. Nigam, 'Catalyst Wetting Characteristics in Trickle-Bed Reactors', AIChE Jl., 49, 2253-2263 (2003).

  72. Rajeev K. Thakur, Ch.Vial, K.D.P. Nigam, E.B. Nauman and G. Djelveh, 'Static Mixers in the Process Industries - A Review', Chem. Eng. Res. Des, Part A, 81, 787-826 (2003).

  73. Arunabha Kundu, Shyamal K. Bej, and K. D. P. Nigam, 'A novel countercurrent fixed bed reator', Canadian Journal of Chemical Engineering, 81,831-837 (2003).

  74. Arunabha Kundu, K. D. P. Nigam, A. M. Duquenne and H. Delmas, 'Recent Developments on Hydroprocessing Reactors', Reviews in Chemical Engineering, 19, 531-605 (2003).

  75. C. S. L. Narasiman, R. P. Verma, A. Kundu and K. D. P.Nigam, 'Modeling of Hydrodynamics of Trickle Bed Reactors at High Pressure', AIChE Jl., 48, 2459-2474 (2002).

  76. R. Khanna and K.D.P. Nigam, 'Partial Wetting in Porous Catalyst: Wettability and Wetting Efficiency', Chemical Engineering Science, 57, 3401-3405 (2002).

  77. Nigam K.D.P., Ion Lliuta and Facial Larachi, 'Trickle Bed Reactor filled with Porous Catalyst Particles', Chemical Engineering and Processing, 41, 365-371 (2002).

  78. E. Bruce Nauman, Deep Kothari and K.D.P. Nigam, 'Static Mixer to promote axial mixing', chemical Engineering Research and Design, Part A,80, 681-685 (2002).

  79. S. Basu, J. Luthra and K.D.P. Nigam, 'The effects of surfactants on Adhesion, Spreading and Retention on Herbicide Droplet on the surface of the leaves and seeds', J. Environ. Sci. Health, B, 37, 331-344 (2002).

  80. T. Kimmel, R. Schomacker, M. Joshi and K.D.P. Nigam, 'Boundary layers. Influence of liquid / liquid boundary layers on the Kinetics of alcoholysis of fatty acid methyl esters' Chemie-Ingenieur-Technik, 74, 573-574 (2002).

  81. A. Kundu, A.K.Saroha and K.D.P.Nigam, 'Liquid Distribution Studies in Trickle-Bed Reactors', Chemical Engineering Science, 56, 5963-5967 (2001).

  82. Shobha Agrawal, V.K. Srivastava, G. Jayaraman, and K.D.P. Nigam, 'Laminar forced convection of non- Newtonian Fluids in Thermal Entrance Region of Circular Curved tube', Chemical Engineering Journal, 84, 223-237 (2001).

  83. Shobha Agarwal and K.D.P.Nigam, 'Modeling of Coiled Tube Chemical Reactor', Chemical Engineering Journal, 84, 437-444 (2001).

  84. H.J. Pant, A. Kundu and K.D.P Nigam, 'Radioisotope Tracer Application In Chemical Process Industry', Reviews in Chemical Engineering, 17, 165-252 (2001).

  85. A. K. Saroha, K. D. P. Nigam, A. Kundu and H. J. Pant, 'Radioisotope Tracer Studies in Trickle Bed Reactors', Canadian Journal of Chemical Engineering, 79, 860-865 (2001).

  86. H.J.Pant, A.K.Saroha and K.D.P.Nigam, 'Measurement of liquid holdup and axial dispersion in trickle-bed reactors using radiotracer technique', Nukleonika, 45, 235-241 (2000).

  87. Anil K. Saroha, K.D.P. Nigam, Alok K. Saxena and V.K. Kapoor, 'Liquid Distribution in Trickle Bed Reactors', AIChE Jl., 44, 2044-2052 (1998).

  88. Anil K Saroha, K.D.P.Nigam, Alok K. Saxena and Lalji Dixit,'RTD Studies in Trickle Bed Reactors Packed with Porous Particles', Canadian Journal of Chemical Engineering, 76, 738-741 (1998).

  89. K.D.P. Nigam, R.K. Srivastav, S.K. Gupta, and P. Vasudevan, 'A Mathematical model for metals ions uptake by the Aquatic plants for waste water Treatment', Environmental Modeling & Assessment, 4, 249-248 (1998).

  90. A.K.Saxena, K.D.P.Nigam, A. Schumpe and W.D.Deckwer, 'Liquid Phase Residence time Distribution for Two Phase Flow in Coiled Tubes', Canadian Journal of Chemical Engineering, 74, 861-866 (1996).

  91. Anil K Saroha and K. D. P. Nigam, 'Trickle Bed Reactors', Reviews in Chemical Engineering, 12, 207-347 (1996).

  92. K.D.P. Nigam and A. Schumpe, 'Three Phase Sparged Reactors', Edited, Gordon and Breach Publishers (1996).

  93. K.D.P. Nigam and A. Schumpe, 'Mass Transfer' Chapter 3 in 'Three Phase Sparged Reactors', Editor K.D.P. Nigam and A. Schumpe, Gordon and Breach Publishers (1996).

  94. K.D.P. Nigam, A.B. Pandit and K. Niranjan, 'Effect of angle of Inclination on Liquid-Phase Controlled Mass Transfer from a Gas Slug', Chemical Engineering Science, 50, 289-298 (1995).

  95. P. Joshi, K.D.P. Nigam and E. Bruce Nauman, 'The Kenics Static Mixer: New Data and proposed Correlations', Chemical Engineering Journal, 59, 265-271 (1995).

  96. R.K. Srivastav, S.K. Gupta, K.D.P. Nigam and P. Vasudevan, 'Treatment of Chromium and Nickel in Waste Water by using Aquatic Plants', Water Research, 28, 1631-1638 (1994).

  97. Shobha Agarwal, Girija Jayaram, V.K. Srivatava and K.D.P. Nigam, 'Power-Law Fluids in a Circular Curved Tubes, Part III Numerical Simulation of Laminar Flow', Poly. Plast. Tehol & Eng., 33, 357-379 (1994).

  98. R.K. Srivastav, S.K. Gupta, K.D.P. Nigam and P. Vasudevan, 'Use of Aquatic plants for the removal of Heavy Metals from Waste water', Int. Jl. Enviro. Studies, 45, 43-50 (1993).

  99. Shobha Agrawal, Girja Jayraman, V.K. Srivastava and K.D.P. Nigam, 'Power-Law Fluids in a Circular Curved Tubes, Part II Laminar Axial Dispersion', Poly. Plast. Techol & Eng., 32, 615-734 (1993).

  100. Shobha Agrawal, Girja Jayraman, V.K. Srivastava and K.D.P. Nigam, 'Power-Law Fluids in a Circular Curved Tubes, Part I Laminar Flow', Poly. Plast. Technol. & Eng., 32, 595-614 (1993).

  101. P.I. Pudjiono, N.S. Tavare, J. Garside and K.D.P. Nigam, 'Residence Time Distribution from a Continuous Couette Flow Device', Chemical Engineering Journal, 48, 101-110 (1992).

  102. K.D.P. Nigam, Sunil Srivastava and V.K. Srivastava, 'Simultaneous Diffusion and Reaction in Porous Media', Int. Jl. Engg. Fluid Mech., 4, 47-56 (1991).

  103. A.K. Saxena, A. Schumpe, K.D.P. Nigam and W.D. Deckwer, ' Flow regimes, hold-up and pressure drop for two phase flow in helical coils', Canadian Journal of Chemical Engineering, 68, 553-559 (1990).

  104. K.N. Mehta, M.C. Tiwari and K.D.P. Nigam, 'Simultaneous Diffusion and Reaction in Porous Media', Int. Jl. Engg. Fluid Mech., 2, 221-234 (1989).

  105. K.D.P. Nigam, A. Schumpe and W.D. Deckwer, 'Aeration of Viscous Newtonian and Pseudoplastic Liquids in a Three Phase Fluidized Bed Reactor', Canadian Journal of Chemical Engineering., 67, 873-877 (1989).

  106. Lali, A.M., A.S. Khare, J.B. Joshi and K.D.P. Nigam, 'Behaviour of Solid Particles in Viscous Non- Newtonian Solutions: Settling Velocity, Wall Effects and Bed Expansion in Solid-Liquid Fluidized Beds', Powder Tec., 57, 39-50(1989).

  107. K.N. Mehta, M.C. Tiwari and K.D.P. Nigam, 'Effect of Permeability and Chemical Reaction on Laminar Dispersion of a Solute', Int. Jl. Engg. Fluid Mech., 1, 351-364 (1988).

  108. M.W. Haque, K.D.P. Nigam, K. Viswanathan and J.B. Joshi, 'Studies on Bubble Rise Velocity in Bubble Column Employing Non-Newtonian solutions', Chem. Engg. Commu., 73, 31-42 (1988).

  109. A Schumpe, A.K. Saxena and K.D.P. Nigam, 'The Effects of Suspension Viscosity and Solid Wettablity on Gas/liquid Mass Transfer in a Bubble Column Slurry Reactor', AIChE Jl., 33, 1916-1920 (1987).

  110. K.D.P. Nigam and A. Schumpe, 'Gas-liquid Mass Transfer in a Bubble Column with Suspended Solids', AIChE Jl., 33, 328-330 (1987).

  111. M.W. Haque, K.D.P. Nigam, J.B. Joshi and K. Viswanathan, 'Studies on Gas hold-up and Bubble parameters in Bubble Columns', Industrial Engineering Chemistry Research, 26, 86-91 (1987).

  112. M.W. Haque, K.D.P. Nigam, J.B. Joshi and K. Viswanathan, 'Studies on Mixing Time in Bubble Columns with Pseudoplastic Solutions', Industrial Engineering Chemistry Research, 26, 82-86 (1987).

  113. D.R. Saini, V.K. Nadkarni, K.D.P. Nigam and P.D. Grover, 'Tensile Properties of Highly Filled Magnetic Polymeric Composites', Jl. Comp. Mat., 21, 782-797 (1987).

  114. K.D.P. Nigam, V.K. Srivastava and M.W. Haque, 'On Approximation to Convective Diffusion Equation', Math Meth. Appl. Sci., 9, 399-412 (1987).

  115. M.W. Haque, K.D.P. Nigam and J.B. Joshi, 'Hydrodynamics and Mixing in Highly viscous Pseudoplastic Non-Newtonian Solutions in Large Diameter Bubble Columns', Chemical Engineering Science, 41, 2321-2331 (1986).

  116. M.W. Haque, K.D.P. Nigam and J.B. Joshi, 'Optimum Gas Sparger Design Large Diameter Bubble Columns', Chemical Engineering Journal, 33, 63-69 (1986).

  117. D.R. Saini, V.M. Nadkarni, P.D. Grover and K.D.P. Nigam, 'Dynamic Mechanical, Electrical and Magnetic Properties of Ferrite Filled Styrene-Isoprene- Styrene', Jl. Mat. Sci., 21, 3710-3716 (1986).

  118. K.D.P. Nigam and A.K. Saxena, 'Residence Time Distribution in Straight and Curve Tubes', Encyclopedia of Fluid Mechanics, 1, Ch.22, pg.675 (1986). Edited by Nicholes P. Cheremisinoff,Gulf Publishing, U.S.A.

  119. K.D.P. Nigam and E.B. Nauman, 'Residence Time Distribution of Power-Law Fluids in Motionless Mixers', Canadian Journal of Chemical Engineering, 63, 519-521 (1985).

  120. A.K. Saxena and K.D.P. Nigam, 'Coiled Configuration for Flow Inversion and its effect on Residence Time Distribution', AIChE Jl., 30, 363-368 (1984).

  121. A.K. Saxena and K.D.P. Nigam, 'Laminar Dispersion in Helically Coiled Tubes of Square Cross Section', Canadian Journal of Chemical Engineering, 61, 53-57 (1983).

  122. A.K. Saxena, K.M. Nigam, and K.D.P. Nigam, 'Non- Newtonian Flow in Helical Coils - Diffusion Free RTD', Canadian Journal of Chemical Engineering, 61, 50-52 (1983).

  123. A.K. Saxena and K.D.P. Nigam, 'Effect of Curvature and Pitch on RTD in Helical Coils', Chem. Engg. Commu., 23, 277-289 (1983).

  124. K.M. Nigam and K.D.P. Nigam, 'An Approach in Modelling the Tubular Polymer Reactor', Jl.Appl. Poly. Sci., 28, 887-900 (1983).

  125. K.M. Nigam, V.K. Srivastava and K.D.P. Nigam, 'Analytical Solution for Diffusion and Reaction in a Non-Ideal Tubular Reactor', Letters Heat and Mass Transfer, 10, 341-348 (1983).

  126. K.M. Nigam, V.K. Srivastava and K.D.P. Nigam, 'Homogeneous and Heterogeneous Reactions in a Tubular Reactor', Chemical Engineering Journal, 25, 147-150 (1982).

  127. K.D.P. Nigam and M.N. Esmail, 'Coating Flows with Interfacial Air Drag - A Non-linear Theory', Canadian Journal of Chemical Engineering, 60, 453-458 (1982).

  128. A.K. Saxena and K.D.P. Nigam, 'Axial Dispersion in Laminar Flow of Polymer Solutions through Coiled Tubes', Jl. Appl. Poly. Sci., 26, 3475-3486 (1981).

  129. D. Singh and K.D.P. Nigam, 'Laminar Dispersion of Polymer Solution in Helical Coils', Jl. Appl. Poly. Sci., 26, 785-790 (1981).

  130. K.M. Nigam and K.D.P. Nigam, 'Application of Galerkin Technique to Diffusion Problems in Tubular Reactor', Chemical Engineering Science, 35, 2358-2360 (1980).

  131. K.D.P. Nigam and K. Vasudeva, 'Residence-Time Distribution in Static Mixer', Canadian Journal of Chemical Engineering, 58, 543-544 (1980).

  132. K.D.P. Nigam and M.N. Esmail, 'Liquid Flow over a Rotating Dip Coater', Canadian Journal of Chemical Engineering, 58, 564-568 (1980).

  133. A.K. Saxena and K.D.P. Nigam, 'On RTD for laminar flow in helical coils', Chemical Engineering Science, 34, 425-426 (1979).

  134. Diwakar Singh and K.D.P. Nigam, 'Diffusion Coefficient in Polymer Solutions', Jl. Appl. Poly. Sci., 23, 3021-3025 (1979).

  135. K.D.P. Nigam and K. Vasudeva, 'Consecutive Reaction in Laminar Flow Reactor', Chemical Engineering Science, 32, 1119-1121 (1977).

  136. K.D.P. Nigam and K. Vasudeva, 'Diffusion and Reaction in Tubular Reactor with Non-Newtonian Laminar Flow', Chemical Engineering Science, 32, 673-677 (1977).

  137. K.D.P. Nigam and K. Vasudeva, 'Influence of Curvature and Pulsations on Laminar Dispersion', Chemical Engineering Science, 31, 835-837 (1976).

  138. K.D.P. Nigam and K. Vasudeva, 'Transient Behaviour of a Non-Ideal Tubular Reactor', Canadian Journal of Chemical Engineering, 54, 203-207 (1976).

  139. K.D.P. Nigam and K. Vasudeva, 'Studies on Tubular Flow Reactor with Motionless Mixing Elements', I&EC, Proc. Des. Deve. 15, 473-476 (1976).









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