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publications

Books

  1. Jawaid, M., Ahmad, A., Lokhat, D. (Eds.), Graphene-Based Nanotechnologies for Energy and Environmental Applications, Elsevier, Amsterdam, 2019.

Book Chapters

  1. Awoyale, A.A., Lokhat, D., Eloka-Eboka, A.C., Adeniyi, A.G. “Feedstock conditioning and pretreatment of lignocellulose biomass” in Bioethanol: A Green Energy Substitute for Fossil Fuels, Betiku, E. and Ishola, M.M. (Eds.), Springer, 2023, pp. 47-68. 
  2. Lokhat, D., “Scenario Assignments within a Digital Platform: A Superior Assessment Tool?” in Assessment through Digital Platforms within Higher Education Studies – Alternation African Scholarship Book Series #12, Ramrathan, L., Hoskins, R., Singaram, V.S. (Eds.) CSSALL Publishers, 2022, 87-105.
  3. Ghosh, D., Ahmad, A., Maruthi, Y.A., Hossain, K. and Lokhat, D., “Environmental toxicity and biodegradability of ionic liquids” in Ionic Liquid-Based Technologies for Environmental Sustainability, Jawaid, M., Ahmad, A. and Reddy, A.V.B. (Eds.), Elsevier, 2022, pp. 45-60.
  4. Inyang, V.M. and Lokhat, D., “Separation of Carboxylic Acids: Conventional and Intensified Processes and Effects of Process Engineering Parameters” in Valorization of Biomass to Value-Added Commodities, Daramola, M. and Augustine, A. (Eds.), Springer, Berlin, 2020. pp. 469-505.
  5. Ahmad, A. Lokhat, D., Rafatullah, M., “Survey of graphene-based nanotechnologies” in Graphene-Based Nanotechnologies for Energy and Environmental Applications, Jawaid, M., Ahmad, A., Lokhat, D. (Eds.), Elsevier, Amsterdam, 2019. pp. 23-39.
  6. Lokhat, D., “Graphene-based materials: energy and environmental applications” in Graphene-Based Nanotechnologies for Energy and Environmental Applications, Jawaid, M., Ahmad, A., Lokhat, D. (Eds.), Elsevier, Amsterdam, 2019. pp. 41-56.
  7. Ahmad, A., Lokhat, D., Setapar, S.H.M., Khatoon, A. and Rafatullah, M., “Nanocarbon composites for detection of volatile organic compounds” in Nanocarbon and its Composites: Preparation, Properties and Applications, Khan, A., Jawaid, M., Inanmuddin, Asiri, A.M. (Eds.), Woodhead Publishing, Cambridge, 2019. pp. 401-419.
  8. Adesina, A.A. and Lokhat, D., “Kinetic model development and bi-objective optimization of levulinic acid production from sugar cane bagasse”, in The Role of Exergy in Energy and the Environment, Nizetic, S. and Papadopolous, A. (Eds.), Springer, Cham, 2018. pp. 447 – 462.
  9. Rafatullah, M., Abbas, S.Z., Ahmad, A. and Lokhat D., “A review of agricultural solid waste materials as potential adsorbents for copper ions from water and wastewater” in Air, Gas and Water Pollution Control Using Industrial and Agricultural Solid Wastes Adsorbents, Sen, T.K. (Ed.), CRC Press, Boca Raton, 2018. pp. 197-221.
  10. Ahmad, A., Siddique, J.A., Setapar, S.H.M., Lokhat, D., Golandaj, A. and Ramjugernath, D., “Recent advances in chitosan-based films for novel biosensor” in Electrically Conductive Polymers and Polymer Composites, Khan, A., Jawaid, M., Khan, A.A.P. and Asiri, A.M. (Eds.), Wiley-VCH, Weinheim, 2018. pp. 137-161.
  11. Ahmad, A., Lokhat, D., Setapar, S.H.M., Khatoon, A., Shahadat, M. and Rafatullah, M., “Use of carbon nanotubes as sorbents for heavy metal remediation from wastewater” in Nanocomposites for Pollution Control, Hussain, C.M. and Mishra, A.K. (Eds.), Pan Stanford, Singapore, 2018. pp. 331 – 357.
  12. Ahmad, A., Lokhat, D., Wang, Y. and Rafatullah, M., “Recent advances in nanofiltration membrane techniques for separation of toxic metals from wastewater”, in Nanotechnology for Sustainable Water Resources, Mishra, A.K. and Hussain, C.M. (Eds.), Wiley-Scrivener, Beverly, 2018. pp. 447- 500.
  13. Ahmad, A., Ahmad, H., Lokhat, D., Golandaj, A., Ramjugernath, D., Setapar, S.H., “Recent advances in polyaniline-based nanocomposites as potential adsorbents for trace metal ions”, in Polymer-based Nanocomposites for Energy and Environmental Applications, Jawaid, M. and Khan, M.M. (Eds.), Woodhead Publishing, Cambridge, 2019. pp. 597-615.
  1. Adesina, A. and Lokhat, D., “Process development for the production of ethylene and propylene from lignocellulosic biomass via the chemical route using an o-cresol-based recovery strategy”, Biomass Conversion and Biorefinery 14 (2024) 1679–1696.
  2. Pushpa, S.R., Awoyale, A.A., Lokhat, D., Sukumaran, R.K., Savithri, S., “Infrared-based machine learning models for the rapid quantification of lignocellulosic multi-feedstock composition”, Bioresource Technology Reports 25 (2024) 101747.
  3. Khumalo, S.P., Lokhat, D., Sewpersad, A., “Preparation and Use of Iron on Carbon Foam for Removal of Organic Dye from Water: Batch Studies”, Materials 16 (2023) 6350.
  4. Ndlovu, L., Lokhat, D., Ramjugernath, D., “Gas-phase epoxidation of Hexafluoropropene using molecular oxygen and alkali doped CuO catalyst: Mechanism and kinetics”, Catalysis Communications 180 (2023) 106712.
  5. Methembu, L.D., Gupta, R., Dziike, F., Lokhat, D., Deenadayalu, N., “Conversion of biomass-derived levulinic acid into γ-valerolactone using methanesulfonic acid: an optimization study using response surface methodology, Fermentation 9 (2023) 288.
  6. Mthembu, L.D., Lokhat, D. and Deenadayalu, N., “Esterification of levulinic acid to ethyl levulinate: optimization of process conditions using commercial levulinic acid and extension to the use of levulinic acid derived from depithed sugarcane bagasse”, Biomass Conversion and Biorefinery 13 (2023) 3113–3122.
  7. Mohammed, A.A. and Lokhat, D., “Process intensification through the application of centrifugal field: An experimental study of absorption processes using the falling film microreactor”, Chemical Engineering Science 271 (2023) 118574.
  8. Mahabeer, J., Kumari, U., Lokhat, D., Carsky, M., Meikap, B.C., “Implementation of microplastics derived from waste plastic for uptake of MB dye: Performance and LCA study”, Desalination 546 (2023) 116214.
  9. Khumalo, S.P., Lokhat, D., Anwar, C.J. and Reddy, H., “Synthesis of Iron on Carbon Foam for Use in the Removal of Phenol from Aqueous Solutions”, Molecules 28 (2023) 1272.
  10. Zebert, T.L., Lokhat, D., Kurella, S. and Meikap, B.C., “Modelling and simulation of ethane cracker reactor using Aspen Plus”, South African Journal of Chemical Engineering 43 (2023) 204-214.
  11. Chetty, C., Lokhat, D., Bal, M., Meikap, B.C., “Development of improved correlations for shell side heat transfer co-efficient in multitubular reactors network heat exchanger”, Thermal Science and Engineering Progress 39 (2023) 101733.
  12. Lokhat, D., Brijlal, S., Naidoo, D.E., Premraj, C., Kadwa, E., “Synthesis of Size-and-Shape-Controlled Iron Oxide Nanoparticles via Coprecipitation and In Situ Magnetic Separation”, Industrial & Engineering Chemistry Research 61 (2022) 16980-16991.
  13. Khumalo, S.P., Lokhat, D., Chetty, K., Chetty, L., “Synthesis of novel carbon‑supported iron oxide sorbents for adsorption of dye from aqueous solutions: equilibrium and flow‑through studies”, Scientific Reports 12 (2022) 20009.
  14. Inyang, V. and Lokhat, D., “Parametric Study of the Extraction of Malic Acid Using Emulsion Liquid Membrane (ELM)”, Arabian Journal for Science and Engineering 47 (2022) 6385–6394.
  15. Moodley, C., Naidoo, N., Moodley, S., Carsky, M. and Lokhat, D., “Effects of SO3 formation on high temperature flue gas desulphurization performance”, South African Journal of Chemical Engineering 40 (2022) 107-112.
  16. Adeleke, V.T., Madlala, N.E., Adeniyi, A.A. and Lokhat, D., “Molecular Interactions Associated with Coagulation of Organic Pollutants by 2S Albumin of Plant Proteins: A Computational Approach”, Molecules 27 (2022) 1685.
  17. Mohammed, A.A. and Lokhat D., “Modification of liquid film thickness by the action of centrifugal force in a falling film microreactor: Effect on the overall process performance of a catalytic cyclohexene hydrogenation”, Chemical Engineering Science 248 (2022) 117128.
  18. Moodley, P., Lokhat, D., Ahmad, A., Mishra, A. and Meikap, B.C., “Kinetic studies on the potential use of citrus-based green and low-cost demulsifying agents for the oil-in-water emulsions’ treatment”, Journal of Environmental Chemical Engineering 10 (2022) 107127.
  19. Reddy, D.L., Lokhat, D., Siddiqi, H. and Meikap, B.C., “Modelling and simulating CO and CO2 methanation over Ru/γ-Al2O3 catalyst: An integrated approach from carbon capture to renewable energy generation”, Fuel 314 (2022) 123095.
  20. Inyang, V. and Lokhat, D., “Propionic acid recovery from dilute aqueous solution by emulsion liquid membrane (ELM) technique: optimization using response surface methodology (RSM) and artificial neural network (ANN) experimental design”, Separation Science and Technology 57 (2022) 284-300.
  21. Awoyale, A.A. and Lokhat, D., “Hybridization of Selected Nigerian Lignocellulosic Biomass Feedstocks for Bioethanol Production: Modeling and Optimization of Pretreatment and Fermentation Process Parameters”, Journal of Oleo Science 70 (2021) 1013-1026.
  22. Awoyale, A.A., Lokhat, D. and Okete, P., “Investigation of the effects of pretreatment on the elemental composition of ash derived from selected Nigerian lignocellulosic biomass”, Scientific Reports 11 (2021) 21313
  23. Maharaj, C., Lokhat, D. and Rawatlal, R., “Oxidation of carbon monoxide over supported nickel oxide catalyst: kinetic model development and identification”, South African Journal of Chemical Engineering 39 (2022) 106-116.
  24. Maparanyanga, T. and Lokhat, D., “Modelling of a calcium-looping fluidized bed reactor system for carbon dioxide removal from flue gas”, International Journal of Low Carbon Technologies 16 (2021), 691-703.
  25. Adeleke, V.T., Adeniyi, A.A. and Lokhat, D., “Coagulation of organic pollutants by Moringa oleifera protein molecules: In silico approach”, Environmental Science: Water Research & Technology 7 (2021) 1453-1464.
  26. Ramjhan, Z., Lokhat, D., Alshammari, M.B., Joy, M.N. and Ahmad, A., “Trioctylammonium-based Ionic liquids for metal ions Extraction: Synthesis, characterization and application”, Journal of Molecular Liquids 342 (2021) 117534.
  27. Inyang, V. and Lokhat, D., “Butyric Acid Reactive Extraction Using Trioctylamine in 1-Decanol: Response Surface Methodology Parametric Optimization Technique”, Arabian Journal of Science and Engineering 46 (2021) 6567-6577.
  28. Hammond, E.G., Moonsamy, S.A.F., Lokhat, D. and Carsky, M., “Kinetic modelling of low temperature direct coal liquefaction: Consideration of dynamic catalyst activity”, South African Journal of Chemical Engineering 37 (2021) 37-45.
  29. Mthembu, L.D., Lokhat, D., Gupta, R. and Deenadayalu, N., “Optimization of Levulinic Acid Production from Depithed Sugarcane Bagasse in 1-Ethyl-3-methylimidazolium hydrogen sulfate [EMim][HSO 4]”, Waste and Biomass Valorization 12 (2021) 3179-3191
  30. Awoyale, A.A., Lokhat, D. and Eloka-Eboka, A.C., “Experimental characterization of selected Nigerian lignocellulosic biomasses in bioethanol production”, International Journal of Ambient Energy. 42 (2021) 1343-1351.
  31. Hammond, E.G. and Lokhat, D., “Performance comparison of WO3/SiO2 to ZSM-5 and γ-Al2O3 in the catalytic dehydration of methanol”, South African Journal of Chemical Engineering 36 (2021) 127-133.
  32. Adeleke, V.T., Adeniyi, A.A., Adeleke, M.A., Okpeku, M., Lokhat, D., “The design of multiepitope vaccines from plasmids of diarrheagenic Escherichia coli against diarrhoea infection: Immunoinformatics approach”, Infection, Genetics and Evolution 91 (2021) 104803
  33. Awoyale, A.A. and Lokhat, D., “Experimental determination of the effects of pretreatment on selected Nigerian lignocellulosic biomass in bioethanol production”, Scientific Reports 11 (2021) 1-16.
  34. Mthembu, L.D., Lokhat, D. and Deenadayalu, N., “Catalytic Condensation of Depithed Sugarcane Bagasse Derived Levulinic Acid into Diphenolic Acid”, BioResources 16 (2021) 2235-2248.
  35. Ali, Y.A., Mohamad, N., Umar, K., Parveen, T., Ahmad, A., Lokhat, D., Hamidah, S.M., “A glimpse into the microbial fuel cells for wastewater treatment with energy generation”, Desalination and Water Treatment. 214 (2021) 379-389.
  36. Mthembu, L.D., Lokhat, D. and Deenadayalu, N., “Valorization of Sugarcane Bagasse to a Platform Chemical (Levulinic Acid) Catalysed by 1-Butyl-2, 3-dimethylimidazolium Tetrafluoroborate ([BMMim][BF 4])”, Waste and Biomass Valorization. 12 (2021) 199-209
  37. Mohammed, A.A. and Lokhat, D., “Mass transfer in falling film microreactors: measurement techniques and effect of operational parameters”, Reviews in Chemical Engineering. 37 (2021) 277-303.
  38. Nadar, D., Naicker, K. and Lokhat, D., “Ultrasonically-Assisted Dissolution of Sugarcane Bagasse during Dilute Acid Pretreatment: Experiments and Kinetic Modeling”, Energies. 13 (2020) 5627
  39. Govender, I., Lokhat, D., Ramjugernath, D., Lasich, M. and Kock, L.D., “Critical Analysis of the Effect of Transport Phenomena and Operational Parameters on the Performance of an Intermediate-scale Surface Fluorination Reactor”, Journal of Fluorine Chemistry. 237 (2020) 109617.
  40. Inyang, V.C. and Lokhat, D., “Kinetic studies on propionic and malic acid reactive extraction using trioctylamine in 1‑decanol”, Chemical Papers. 74 (2020) 3597-3604.
  41. Inyang, V.C. and Lokhat, D., “Reactive extraction of Malic Acid using Trioctylamine in 1–Decanol: equilibrium Studies by Response Surface Methodology Using Box Behnken optimization technique”, Scientific Reports. 10 (2020) 1-10.
  42. Premlall, K.C. and Lokhat, D., “Reducing Energy Requirements in the Production of Acrylic Acid: Simulation and Design of a Multitubular Reactor Train”, Energies. 13 (2020) 1971.
  43. Inyang, V.M. and Lokhat, D., “Reactive extraction of propionic acid using trioctylamine in 1–decanol by response surface methodology optimization technique”, International Journal of Low Carbon Technologies. 15 (2020) 171-179.
  44. Peng, W.L., Mohd-Nasir, H., Mohd Setapar, S.H., Ahmad, A. and Lokhat, D., “Optimization of process variables using response surface methodology for tocopherol extraction from Roselle seed oil by supercritical carbon dioxide”, Industrial Crops and Products. 143 (2020) 111886
  45. Ahmad, A., Lokhat, D., Rafatullah, M., Khatoon, A., Mohd Setapar, S.M., “Aloe vera biomass containing cellulosic moieties used as sustainable adsorbents for the removal of crystal violet dye from aqueous solution” Desalination and Water Treatment. 170 (2019) 337 – 348.
  46. Moodley, S. and Lokhat, D., “A critical analysis of the hot-wire technique for thermal conductivity measurements of thermal nanofluids”, Chemical Engineering Transactions. 76 (2019) 241 – 246.
  47. Premlall, K. and Lokhat, D., “Simulation and Optimization of a multitubular reactor train for acrylic acid production”, Chemical Engineering Transactions. 76 (2019) 805 – 810.
  48. Naidoo, P, Lokhat, D. and Stark, A., “S-BEAT: A preliminary cost estimation method for the sugarcane biorefinery”, International Sugar Journal. 121 (2019) 30-40.
  49. Lokhat, D. and Carsky M., “Direct coal liquefaction using iron carbonyl powder catalyst”, Chemical Engineering and Technology. 42 (2019) 818-826.
  50. Awoyale, A.A. and Lokhat, D., “Harnessing the potential of bio‐ethanol production from lignocellulosic biomass in Nigeria – a review”, Biofuels, Bioproducts and Biorefining 13 (2019) 192-207.
  51. Abd-Talib, N., Ahmad, A., Mohd-Setapar, S.H., Khamis, A.K., Lokhat, D. and Rafatullah, M., “Removal of silica from rice straw by using alkaline hydrogen peroxide solution in a fixed bed column”, Journal of Materials and Environmental Science 9 (2018) 864-872.
  52. Lokhat, D., Sewlala, I., Hooblal, D. and Paul, B., “Beneficiation of sugarcane bagasse boiler ash via production of syntactic foams and thermal refractory materials”, Key Engineering Materials 779 (2018) 89-96.
  53. Chou, S.C., Abd-Talib, A., Mohd-Setapar, S.H., Hassan, H., Nasir, H.M., Ahmad, A., Lokhat, D. and Ashraf G.M., “Reverse micelle extraction of antibiotics using an eco-friendly sophorolipid biosurfactant”, Scientific Reports 8 (2018) Article number 477.
  54. Aziz, Z.A.A., Ahmad, A., Mohd-Setapar, S.H., Karakucuk, A., Azim, M.M., Lokhat, D., Rafatullah, M., Ganash, M., Kamal, M.A. and Ashraf, G.M., “Essential oils: Extraction techniques, pharmaceutical and therapeutic potential – A review”, Current Drug Metabolism 19 (2018) 1100-1110.
  55. Shah, S., Lokhat, D. and Peacock, S.D., “An investigation into the viscosity of C-massecuite using a pipeline viscometer”, International Sugar Journal 119 (2017) 952-965.
  56. Lokhat, D., Singh, A., Starzak, M. and Ramjugernath, D., “Design of a continuous gas-phase process for the production of hexafluoropropene oxide”, Chemical Engineering Research and Design 119 (2017) 93-100.
  57. Aziz, Z.A.A., Ahmad, A., Mohd-Setapar, S.H., Hassan, H., Lokhat, D., Kamal, M.A. and Ashraf, G.M., “Recent Advances in Drug Delivery of Polymeric Nano-Micelles”, Current Drug Metabolism 18 (2017) 16-29.
  58. Chuo, S.C., Mohd-Setapar, S.H., Ahmad, A., and Lokhat, D., “New generation separation and identification methods for erythromycin”, Der Pharmacia Lettre 8 (2016) 215-222.
  59. Lokhat, D., Golandaj, A. and Ramjugernath, D., “Scale-up of sevoflurane synthesis: selection of chemical route and influence of reagent characteristics”, International Journal of Applied Chemistry 12 (2016) 455-461.
  60. Lokhat, D., Starzak, M. and Ramjugernath, D., “New insights into the kinetics of the gas-phase oxidation of hexafluoropropene”, Progress in Reaction Kinetics and Mechanism 41 (2016) 418-427.
  61. Lokhat, D., Domah, A.K., Padayachee, K., Baboolal, A. and Ramjugernath, D., “Gas-liquid mass transfer in a falling film microreactor: Effect of reactor orientation on liquid-side mass transfer coefficient”, Chemical Engineering Science 155 (2016) 38-44.
  62. Prithipal, R., Govender N., Lokhat, D., Ramjugernath, D. and Starzak, M., “A kinetic study of the selective production of difluoromethoxymethane from chlorodifluoromethane”, Journal of the Taiwan Institute of Chemical Engineers 66 (2016) 70-79.
  63. Lokhat, D., Ramjugernath, D., and Starzak, M., “Gas-phase equilibrium constants for the thermally initiated oxidation of hexafluoropropene with molecular oxygen”, Journal of Physical Organic Chemistry 28 (2015) 460-471.
  64. Prithipal, A., Lokhat, D. and Starzak, M., “Metathesis of 1-hexene over heterogeneous tungsten-based catalysts”, Chemical Engineering and Technology 38 (2015) 1343-1352.
  65. Lokhat, D., Oliver, M. and Carsky, M., “Preparation of iron oxide nanocatalysts and application in the liquid phase oxidation of benzene”, Polish Journal of Chemical Technology 17 (2015) 43-46.
  66. Pather, K., Magubane, T. and Lokhat, D., “Catalytic upgrading of sugarcane bagasse pyrolysis oil”, Sugar Industry 139 (2014) 677-682.
  67. Pather, K. and Lokhat, D., “Gas-phase hydroisomerization of n-hexane over Pt/SO4-ZrO2: Kinetic modelling and reactor simulation”, Petroleum Science and Technology 32 (2014) 2786-2794.
  68. Lokhat, D., Ramjugernath, D. and Starzak, M., “Gas-phase non-catalytic epoxidation of hexafluoropropene in a tubular reactor: optimal reaction conditions”, Chemical Engineering Communications 201 (2014) 1173-1197.
  69. Lokhat, D., Ramjugernath, D. and Starzak, M., “Simultaneous separation of perfluorocarbons and oxyfluorocarbons using capillary gas chromatography: Analysis of the products of hexafluoropropene oxidation”, Journal of Analytical Chemistry 69 (2014) 1-6.