Chemical Engineering

• Faculty Excellence Award
• I&EC Research 2022 Excellence in Review Awards
• Emerging Investigator in Reaction Chemistry & Engineering
• I&EC Research 2020 Excellence in Review Awards

Journal
• Non-Newtonian droplet breakup in a T-junction microdevice containing constriction induced asymmetric parallel branches Kumari P., Atta A. By Physics of Fluids 35 022004- (2023)
• Asphaltene precipitation under controlled mixing conditions in a microchamber Meng J., Kanike C. , Sontti S. G., Atta A. , Tan X. , Zhang X. By Chemical Engineering Journal 451 138873- (2023)
• Influence of channel bend angle on the turbulent statistics in sharply bent channel flows Sharma A., Lakkaraju R. , Atta A. By Physics of Fluids 35 055102- (2023)
• Insights into the influence of particle density and column inclination in polydisperse liquid solid fluidized beds Puhan P., Mukherjee A. K., Atta A. By Powder Technology 425 118540- (2023)
• Regulation of droplet size and flow regime by geometrical confinement in a microfluidic flow-focusing device Sontti S. G., Atta A. By Physics of Fluids 35 012010- (2023)
• Mixing Enhancement of Newtonian Liquids in a Curvature Induced Split and Recombine Micromixer Ghosh A.B., Atta A. By Industrial and Engineering Chemistry Research 62 4135-4150 (2023)
• Passive droplet sorting engendered by emulsion flow in constricted and parallel microchannels Bhattacharjee D., Chakraborty S., Atta A. By Chemical Engineering and Processing - Process Intensification 181 - (2022)
• Insights into the dynamics of non-Newtonian droplet formation in a T-junction microchannel Kumari P., Atta A. By Physics of Fluids - (2022)
• Geometric and hydrodynamic influences on the droplet breakup dynamics in a branched microdevice Kumari P., Atta A. By Chemical Engineering and Processing - Process Intensification - (2022)
• Nanoextraction based on surface nanodroplets for chemical preconcentration and determination Wu H., Kanike C., Atta A., Zhang X. By Biomicrofluidics 16 - (2022)
• Topology optimization of a packed bed microreactor involving pressure driven non-Newtonian fluids Bhattacharjee D., Atta A. By Reaction Chemistry and Engineering 7 609-618 (2022)
• Droplet breakup in a parallel microchannel with asymmetrical geometric constraints Kumari P., Atta A. By Chemical Engineering Research and Design 184 13-23 (2022)
• CFD modeling of segregation in binary solid-liquid fluidized beds: Influence of liquid viscosity and density Puhan P., Awasthi A., Mukherjee A.K., Atta A. By Chemical Engineering Science 246 116965- (2021)
• Computational insights on intensification of hydrodenitrogenation in a trickle bed reactor using periodic flow modulation Dasgupta S., Atta A. By Chemical Engineering and Processing-Process Intensification 157 108135- (2020)
• Numerical Insights on Controlled Droplet Formation in a Microfluidic Flow-Focusing Device Sontti S. G., Atta A. By Industrial & Engineering Chemistry Research 59 3702-3716 (2020)
• Influence of photobioreactor configuration on microalgal biomass production Banerjee S., Dasgupta S. , Das D. , Atta A. By Bioprocess and Biosystems Engineering 43 1487-1497 (2020)
• Understanding the Influence of Rheological Properties of Shear-Thinning Liquids on Segmented Flow in Microchannel using CLSVOF Based CFD Model Sontti S.G., Pallewar P.G., Ghosh A.B., Atta A. By Canadian Journal of Chemical Engineering 97 1208-1220 (2019)
• Fe2O3 nanocatalyst aided transesterification for biodiesel production from lipid-intact wet microalgal biomass: A biorefinery approach Banerjee S., Rout S., Banerjee S., Atta A., Das D. By Energy Conversion and Management 195 844-853 (2019)
• CFD Studies on Efficacy of Flow Modulation in a Hydrotreating Trickle-Bed Reactor Dasgupta S., Atta A. By Industrial and Engineering Chemistry Research 58 18073-18083 (2019)
• CFD study on Taylor bubble characteristics in Carreau-Yasuda shear thinning liquids Sontti S.G., Atta A. By Canadian Journal of Chemical Engineering 97 616-624 (2019)
• Process Optimization for Enhanced Biodiesel Production by Neochloris oleoabundans UTEX 1185 with Concomitant CO2 Sequestration Banerjee S., Singh H., Das D., Atta A. By Industrial and Engineering Chemistry Research 58 15760-15771 (2019)
• Controlled nanoscale electrohydrodynamic patterning using mesopatterned template Dwivedi S., Narayanan R. , Chaudhary R. , Mukherjee R. , Atta A. By ACS Omega 3 9781-9789 (2018)
• Formation characteristics of Taylor bubbles in power-law liquids flowing through a microfluidic co-flow device Sontti S.G., Atta A. By Journal of Industrial and Engineering Chemistry 65 82-94 (2018)
• Influence of periodic operation on flow distribution in single phase packed beds Dasgupta S., Atta A. By Chemical Engineering and Processing - Process Intensification 128 149-161 (2018)
• Analysis of single phase Newtonian and non-Newtonian velocity distribution in periodic packed beds Dasgupta S., Atta A. By Chemical Engineering Journal 324 182-193 (2017)
• CFD analysis of microfluidic droplet formation in non Newtonian liquid Sontti S. G., Atta A. By Chemical Engineering Journal 330 245-261 (2017)
• CFD analysis of Taylor bubble in a co-flow microchannel with Newtonian and non-Newtonian liquid Sontti S. G., Atta A. By Industrial & Engineering Chemistry Research 56 7401-7412 (2017)
• Formation and control of secondary nanostructures in electro-hydrodynamic patterning of ultra-thin films Dwivedi S., V. , Mukherjee R. , Atta A. By Thin Solid Films 642 241-251 (2017)
• Cyclic operation of trickle bed reactors: A review A. Atta, S. Roy, F. Larachi, K.D.P. Nigam By Chemical Engineering Science 115 - (2014)
• Influence of Electrostatic and Chemical Heterogeneity on Electric Field Induced Destabilization of Thin Liquid Films A. Atta, D.G. Crawford, C.R. Koch, S. Bhattacharjee By Langmuir 27 - (2011)
• Co-current Descending Two-phase Flows in Inclined Packed Beds: Experiments versus Simulations A. Atta, M. Schubert, K.D.P. Nigam, S. Roy, F. Larachi By Canadian Journal of Chemical Engineering 88 - (2010)
• A Two-phase Eulerian Approach using Relative Permeability Concept for Modeling of Hydrodynamics in Trickle Bed Reactors at Elevated Pressure A. Atta, S. Roy, K.D.P. Nigam By Chemical Engineering Research & Design 88 - (2010)
• Propagation of Slow/Fast-Mode Solitary Liquid Waves in Trickle Beds via Electrical Capacitance Tomography & Computational Fluid Dynamics A. Atta, M. Hamidipour, S. Roy, K.D.P. Nigam, F. Larachi By Chemical Engineering Science 65 - (2010)
• CFD Prediction of Hydrodynamics in High-pressure Trickle Bed Reactor A. Atta, S. Roy, K.D.P. Nigam By Journal of Chemical Engineering of Japan 42 - (2009)
• (Gas)-Liquid-Solid Circulating Fluidized Bed Reactors: Characteristics and Applications A. Atta, S.A. Razzak, K.D.P. Nigam, J. Zhu By Industrial & Engineering Chemistry Research 48 - (2009)
• Effect of Particle Porosity on Hysteresis in Trickle-Bed Reactors R.N. Maiti, A. Atta, K.D.P. Nigam By Industrial & Engineering Chemistry Research 47 - (2008)
• Experimental and Numerical Study of Heat Transfer in Horizontal Concentric Annulus containing Phase Change Material R. Dutta, A. Atta, T.K. Dutta By Canadian Journal of Chemical Engineering 86 - (2008)
• Prediction of Pressure Drop and Liquid Holdup in Trickle Bed Reactor using Relative Permeability Concept in CFD A. Atta, S. Roy, K.D.P. Nigam By Chemical Engineering Science 62 - (2007)
• Investigation of Liquid Maldistribution in Trickle-bed Reactors using Porous Media Concept in CFD A. Atta, S. Roy, K.D.P. Nigam By Chemical Engineering Science 62 - (2007)
Conferences
• Influence of lift force in CFD modeling of liquid-solid flow in an inclined fluidized bed Puhan P., Mukherjee A. K., Atta A. By 11th International Conference on Multiphase Flow (ICMF-2023) - (2023)
• Numerical study of ethanol into water mixing using split and recombine micromixer Ghosh A. B., Atta A. By 11th International Conference on Multiphase Flow (ICMF-2023) - (2023)
• Magnetic field altered ferrofluid droplet deformation in the uniaxial extensional flow Bhattacharjee D., Atta A. , Chakraborty S. By 75th Annual Meeting of the APS Division of Fluid Dynamics - (2022)
• Emulsion flow induced passive droplet sorting in constricted and parallel microchannels Bhattacharjee D., Chakraborty S. , Atta A. By 75th Annual Meeting of the APS Division of Fluid Dynamics - Gallery of Fluid Motion - (2022)
• Multi-fluid Eulerian simulation of combined size and density varying binary mixtures in an inclined channel: Influence of particle density difference Puhan P., Mukherjee A. K., Atta A. By 15th International Conference on Gas-Liquid and Gas-Liquid-Solid Reactor Engineering (GLS-15) - (2022)
• Evolution of ferrofluid droplet deformation under magnetic field in a uniaxial flow Bhattacharjee D., Atta A. , Chakraborty S. By 9th International and 49th National Conference on FMFP - (2022)
• Influence of interphase drag coefficients in CFD simulation of inclined liquid-solid fluidized bed Puhan P., Mukherjee A. K., Atta A. By 74th Proceedings of the 9th International and 49th national conference on fluid mechanics and fluid power (FMFP) - (2022)
• Spatiotemporal Modeling of Algal Growth and Light Distribution in Tubular Bubble-Column Photobioreactor for quantifying auto-inhibitory self-shading effects Ghosh G., Atta A. , Chakraborty S. By 1st International Conference on Pollution Prevention and Clean Technologies - (2021)
• Modeling the Effect of Self-Shading on the Spatiotemporal Dynamics of Light Distribution and Algal Growth during Mixotrophic Cultivation in Bubble-Column Photobioreactors Ghosh G., Atta A. , Chakraborty S. By AIChE Annual Meeting 2021 - (2021)
• Microalgal biomass as a sustainable energy source for biodiesel production through biorefinery approach Banerjee S., Rout S. , Das D. , Atta A. By 8th International Conference on Clean and Green Energy - (2019)
• Numerical Investigation of droplet breakup dynamics in a T-junction Kumari P., Atta A. By International Heat and Mass Transfer Conference - (2019)
• Droplet flow behavior in a microfluidic junction Kumari P., Atta A. By 10th International Conference on Multiphase Flow - (2019)
• Insights into the formation mechanism of oil-water emulsion in microfluidic flow-focusing devices Sontti S. G., Atta A. By 14th International Conference on Gas Liquid and Gas Liquid Solid Reactor Engineering (GLS-14) - (2019)
• Production of biodiesel from wet biomass of Neochloris oleoabundans UTEX 1185 by direct transesterification process using nanocatalyst Banerjee S., Rout S. , Das D. , Atta A. By Algal Biomass, Biofuel, Bioproducts - (2018)
• Modeling and analysis of multiphase flow in flow-focusing microchannel Sontti S. G., Atta A. By 25th International Conference on Chemical Reaction Engineering (ISCRE-25) - (2018)
• Modeling cyclic packed bed reactors using unit-cell concept in CFD Dasgupta S., Atta A. By 3rd International Conference on Numerical Methods in Multiphase Flows (ICNMMF-III) - (2017)
• CFD analysis of liquid distribution in periodically operated packed bed reactors Dasgupta S., Atta A. By 13th International Conference on gas-liquid and gas-liquid-solid reactor engineering - (2017)
• CFD study on alternating droplet generation for liquid-liquid microreactor application Sontti S. G., Atta A. By 13th International Conference on Gas Liquid and Gas Liquid Solid Reactor Engineering (GLS-13) - (2017)
• Taylor bubble formation and breakup dynamics in shear thinning liquid Sontti S. G., Atta A. By 13th International Conference on Gas Liquid and Gas Liquid Solid Reactor Engineering (GLS-13) - (2017)
• Computational investigation of non-Newtonian liquid maldistribution in periodic packed bed reactors Dasgupta S., Atta A. By 13th International Conference on gas-liquid and gas-liquid-solid reactor engineering - (2017)
• Electric field induced instabilities in ultra-thin films Dwivedi S., Yadav V. , Mukherjee R. , Atta A. By COMSOL Conference 2016 - (2016)
• Electric field induced instability in ultra-thin films Dwivedi S., Mukherjee R. , Atta A. By CHEMCON 2016 - (2016)
• Numerical study on gas-liquid two-phase flow in a microfluidic devices with a different rupturing angles of intersection Sontti S. G., Atta A. By CHEMCON 2016 - (2016)
• CFD Studies on Periodic Flow Operation in Packed Beds Dasgupta S., Atta A. By CHEMCON 2016 - (2016)
• CFD Study on Droplet Formation in Non-Newtonian Fluids Flowing Through T-Junction Microchannel Sontti S. G., Atta A. By International Conference on Multiphase Flow (ICMF 2016) - (2016)
Book Chapter/Section
• Obtaining commodity chemicals by bio-refining of algal biomass Banerjee S., Das D., Atta A., Shanmugam P. By Algae and Aquatic Macrophytes in Cities: Bioremediation, Biomass, Biofuels and Bioproducts 261-270 (2022)
• Lipid extraction and biodiesel production from microalgae: Recent advances Banerjee S., Atta A. By An Integration of Phycoremediation Processes in Wastewater Treatment 1-16 (2021)
• Computational studies on flow maldistribution of Newtonian liquids in periodic packed beds Dasgupta S., Atta A. By 27th European Symposium on Computer Aided Process Engineering 1057-1062 (2017)
• Numerical investigation of viscous effect on Taylor bubble formation in co-flow microchannel Sontti S. G., Atta A. By 27th European Symposium on Computer Aided Process Engineering 1201-1206 (2017)
• Re-entrant structural evolution using electrically heterogeneous patterned electrode Dwivedi S., Mukherjee R. , Atta A. By 27th European Symposium on Computer Aided Process Engineering 1213-1218 (2017)
Edited Volume
• Prospective trends in design and operations of chemical processes: Heuristics, intensification, and digitization Kumar V., Atta A., Pant K.K., Stankiewicz A. By Chemical Engineering and Processing - Process Intensification 180 - (2022)
Symposium
• Magnetohydrodynamic settling of a ferrofluid droplet in uniform magnetic field Bhattacharjee D., Atta A. , Chakraborty S. By Complex Fluids Symposium (CompFlu) 2022 - (2022)
• Highly Reproducible Uniform Ring Arrays of Silver Nanostructures for Quantitative Surface Enhanced Raman Spectroscopic Detection Kanike C., Wei Z. , Wu H. , Atta A. , Zhang X. By aculty of Engineering Graduate Research Symposium 2022 (FEGRS 2022) - (2022)
• Influence of inclination angle on flow characteristics of binary particles in an inclined channel: An Eulerian-Eulerian approach Puhan P., Atta A. By CompFlu 2021 - (2021)
• Droplet dynamics in a different shaped branched microchannel Kumari P., Atta A. By CompFlu 2020 - (2020)
Congress
• Quantifying the effect of radial light distribution on the spatiotemporal dynamics of mixotrophic microalgal growth in bubble-column photobioreactors Ghosh G., Atta A. , Chakraborty S. By ACS Spring Meeting 2021 - (2021)
• CFD modeling of mono-disperse particles in an inclined channel: effect of particle-particle and particle-wall collision Puhan P., Atta A. By Annual Session of Indian Institute of Chemical Engineers - (2021)
• CFD analysis of Taylor bubble formation in shear thinning liquids Sontti S. G., Atta A. By 10th World Congress of Chemical Engineering (WCCE- 10) - (2017)
• CFD study on non-Newtonian liquid flow in periodic packed bed reactors Dasgupta S., Atta A. By 10th World Congress of Chemical Engineering - (2017)
• Hydrodynamics of segmented flow in non-Newtonian liquids Sontti S. G., Pallewar P. , Ghosh A. , Atta A. By Indian Chemical Engineering Congress, CHEMCON 2017 - (2017)
• Improvement of Biodiesel production using high lipid containing Neochloris sp. Banerjee S., Atta A. , Das D. By 8th World Renewable Energy Technology Congress - (2017)
Workshop
• Sustainable biofuel production from microalgal biomass through a biorefinery approach Banerjee S., Singh H. , Banerjee S. , Atta A. , Das D. By DBT National Workshop on Bioenergy - (2019)
Seminars
• CFD Simulation of Two Phase Hydrodynamics of Mechanical Flotation Cell Maharia A., Kopparthi P. , Atta A. , Sachinraj D. By International Seminar on Mineral Processing Technology 2017 - (2017)

Principal Investigator

• Rheology of complex fluids in confined flows
• Rheology of complex fluids in confined flows
• Flow of Complex Fluids in Constricted and Parallel Microchannels
• A Computational Approach for Performance Assessment of a Reflux Classifier in Coal Preparation (Imprint-2 / Industry Part)
• A Computational Approach for Performance Assessment of a Reflux Classifier in Coal Preparation (Imprint-2 / Industry Part)
• A Computational Approach for Performance Assessment of a Reflux Classifier in Coal Preparation (Imprint-2 / SERB Part)

Co-Principal Investigator

• CFD-DEM Modelling of a Bed of Biomass Particles of Irregular Shape Inside a Column with Porous Wall
• Reduction of Water Consumption in the Washing-Classification of Finished Beads