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  • Dr. Jayanta Kumar Pothal, Scientist-F 9437860954,   jkpothal@immt.res.in ,  

    DESCRIPTION :

    Dr. Jayanta Kumar Pothal is a Mechanical Engineer; presently working in the Department of  Pipeline Transport Systems & Societal Technologies. He has been involved in different R&D activities under 4M (Mining, Minerals, Metals and Materials) Theme, Critical Minerals Mission, E3OW (water) & EED (Energy) themes.

    AREA OF INTEREST :
    • Hydraulic transportation of minerals, ores and industrial wastes.
    • Rheological characterization of minerals, ores and industrial wastes.
    • Drinking water purification.
    • Rural technologies.
    • Combustion & Gasification studies.
    RECENT PUBLICATIONS :

    1.   A Dubey, V Prasad, P K Senapati, R Barik & J K Pothal*, “Scale-up prediction of the head loss of a high concentration, non-Newtonian particulate slurry”, Particulate Science and Technology, 2024, Vol. 42(7), Pages 1115-1128, https://doi.org/10.1080/02726351.2024.2352710.

    2.   P K. Senapati, J K. Pothal*, A Dubey, R Barik & S Basu, “Analysis of pressure drop and hold-up during vertical transport of Limestone slurry in a lean phase and heterogeneous regime”, Journal of the South African Institute of Mining and Metallurgy, 2025, Vol. 125, pp.173-177, https://doi.org/10.17159/2411-9717/1777/2025.

    3.   N. Reddy* & J. K. Pothal, “Rheological Characteristics of Bauxite Slurry with Varying Concentration, Particle Size Distribution, and Modal Distribution for Pipeline Transportation”, Particulate Science and Technology, 2024, Vol. 42(6), pp. 1057-1066, DOI:10.1080/02726351.2024.2320102.

    4.   K. Reddy*, J K Pothal, R Barik & P K Senapati, “Pipeline Slurry Transportation System: An Overview”, Journal of Pipeline Systems Engineering and Practice, 2023, 14(3), pp. 1-15, https://doi.org/10.1061/JPSEA2.PSENG-1391.

    5.   A. Devi*, P M Mishra, J K Pothal, B Ramasamy & N Pradhan, “Sustainable Synthesis of Emerging Bio-based Magnetite nanoparticles for Efficient Cr (VI) Removal from ground water”, Biomass Conversion and Biorefinery, 2022, 14 (9), pp. 6407-6419,  https://doi.org/10.1007/s13399-022-02863-w.

    PATENTS :

    1.  Ghosh P K, Mantri V A, Pothal J K, V Veeragurunathan and S Thiruppathi, “Device for seaweed harvesting”, Country: US, Patent No.: 9736984, Granted Date: 22/08/2017.

    2.  PK Ghosh, GR Desale, BH Khatri, RN Patel, SN Patel, JK Pothal, NG Borle, MR Gajjar and HM Tadvi, “Desalination unit for the production of potable water from sub-soil brine”, Country: US, Patent No.: 9227853, Granted Date: 05/01/2016.

    3.  Mishra, P.M.; Devi, A.; Pothal, J.K.; Boopathy, R.; Pradhan, N., “Preparation of Silica Modified Bio-Based Magnetite and its Application Thereof”, Application No: 202111015516, Filed Date: 31/03/2021.

    4.  Dipti P Das, M R Naik, S Dey, J K Pothal, B P Bag, A K Sahoo and B K Jena, “Carbon quantum dot based MgAl-Layered double hydroxides nanocomposites and preparation thereof”, Application No: 202211028467, Filed Date: 17/05/2022.

    PROJECTS WORKED ON :

    Industrial Projects:

    1.     Studies on feasibility of coal-water slurry preparation, transportation & dewatering of pulverized coal. (CSIR)

    2.     Modelling & Optimization of High Concentration Iron Ore fines /concentrate slurry Pipelines for Indian Iron Ore Processing Industries. (Min. of Steel & NMDC Ltd.)

    3.   Design & Development of a Vertical Slurry Transport System for Lifting of Minerals/Ores in        Heterogeneous Regime. (CSIR)

    4.   Hydraulic transportation of raw material/tailings for the critical minerals through horizontal slurry pipeline under CSIR Mission Mode Project “Mapping and Tapping of Critical Metals & Minerals”. (CSIR)

    5.     Study on breakage / degradation of polymetallic nodules during vertical slurry transport through a        pipe. (NIOT, Min. of Earth Sciences)

    6.     Design and development of a pilot scale paste thickener for eco-friendly tailings disposal in Indian iron and steel industry. (CSIR)

    7.     Ash Rheology studies of Lara Super Thermal Power Project (2*800MW) for HCSD System Design by M/s. Bharat Heavy Electricals Limited, ISG, Bangalore. (BHEL-ISG)

    8.     Recovery of Gallium from Bayer’s liquor using a suitable adsorbent under CSIR Mission Mode Project “Mapping and Tapping of Critical Metals & Minerals”. (CSIR)

    9.     Manganese Nodule Slurry characterization and pumping study for vertical transport. (NIOT, Min. of         Earth Sciences)

    10.  Study the physical and mineralogical effect on the recovery of iron values from beneficiation plant residual fines/slimes/tailings and lean grade iron ores: an approach towards iron ore sustainability. (Min. of Steel & AM/NS India Ltd.)

    11.   Development of a dry beneficiation technique for the recovery iron values from low-grade ores. (CSIR)

    12.   An investigation on the failure analysis of the coal ash slurry pipeline. (Macawber Beekay Pvt. Ltd.)

    13.   Ash rheology test for HCSD system design of 1 x 660 MW Panki Thermal Power Station. (BHEL-ISG)

    14.   Development of Electrical impedance tomography based system for monitoring of solids inside pipeline used in ocean mining application. (NIOT, Min. of Earth Sciences)

    15.   A detailed investigation of the erosion and corrosion wear in the presence of chemical/bio-additives to forecast the lifecycle of the industrial pipeline. (SERB)

    16.  Renewable Blue Energy Generation Driven by Reverse Electrodialysis. (CSIR)

    17.  Development and demonstration of commercial process for the manufacture of 70% content pond ash brick. (CSIR)

    18.  Feasibility study on combustion of pet-coke coal fuel mix in a fluidized bed reactor & reduction of emission through appropriate dosages of chemical reagents during combustion. (CSIR)

    19.   Optimization of Bio/Chemical additive dosages for preparation of a stabilized mineral/ore slurry at high solids concentration. (CSIR)

    20.   Development of process flowsheet for the recovery of Individual heavy minerals from the mineral sand plant tailings. (IREL)

    21.  Rheological investigation of Ash dyke Fly ash samples for pipeline transportation at BALCO, Korba, Chhattisgarh State. (M/s. Bharat Aluminium Company Limited)

    22.  Rheological test studies on coal ash samples for designing of HCSD system for 1x300 TPH (1x18.5 MW) PF Fired Boiler (Unit#6) at NALCO, Damanjodi. (M/s. Mecgale Pneumatic Pvt. Ltd.)

    23.  Rheological testing of Fly Ash samples foe pipeline transportation at Reliance Power Project, Singrauli, M. P.. (M/s. Reliance Power Ltd.)

    24.  Rheology testing of fly ash samples for designing of HCSD system for MAHAGENCO Bhusawal project. (M/s. Macwaber Beekay Pvt. Ltd.)

    25.   Studies on dense phase pneumatic conveying of bulk solids. (CSIR)

    26.   Studies on the influencing parameters of erosion wear in slurry pipeline. (CSIR)

    27.   Photofunctional materials for industrial dye mineralization.  (DST, New Delhi)

    28.  CRTDH Common Research & Technology Development Hub (CRTDH) [Activity: Development of              bio/chemical additives for drag reduction during slurry transportation]. (DSIR)

    29.  In-house development and fabrication of stirred mills for energy efficient processing of low grade ores. (CSIR)

    30.  Rheology test of thickener tailings samples of TATA Iron ore processing plant at JODA & determination of relevant basic design parameters for pumping systems. (TATA Steel)

    31.  Rheology test of ash samples for 2x270 MW coal based thermal power plant. (M/s. Adhunik power & Natural resources Ltd.)

    32.  Characterization & Rheological studies on fly ash samples of M/s. NSPCL Rourkela steel plant. (M/s. Macawber Beekay Pvt. Ltd.)

    33.  Combustion studies & Evaluation of Pollution Load on Petroleum Coke and coal samples with Lime dosages for M/s HINDALCO Industries Ltd., Sambalpur, Odisha.

    34.  Rheological and other characteristics studies of fly ash samples for NTPC Telangana Super Thermal Power Plant. (M/s. MACAWBER BEEKAY Pvt. Ltd.)

    35.   Studies on preparation and disposal of thickened tailing slurry for surface disposal and mine backfilling system. (CSIR)

    36.  Ash Rheology Test for HCSD System Design: For Maitree Super Thermal Power Project (2x660 MW). (BHEL)

    37.  Rheological studies and hydraulic transportation of seabed mineral resources under PMN program. (Min. of Earth Sciences)

    38.  Efforts towards further improvements in "green bromination" protocol for the selective synthesis of chemicals of practical importance and probing of solar energy application to promote a few such chemical reactions. (CSIR)

    39.   Rheological test studies on Krishnapatnam Thermal Power Station (1X800 MW) Coal Ash samples for M/s TATA Projects Ltd., Secunderabad, India.

    40.   Rheological test studies on coal ash samples for M/s Mecgale Pneumatics Pvt. Ltd. Kolkata.

    41.  Basic Design & Engineering of High Concentration Slurry Disposal (HCSD) system for M/s IND Bharat Utkal Energy Limited, Jharsuguda, Odisha. (M/s. Mecgale Pneumatics Pvt. Ltd.).    

    42.    Rheological studies and other characteristics studies of mix slurry (Fly Ash + Bottom Ash + Coarse Ash) for HSCD system at NTPC North Karanpura TPP 3x660MW Thermal Power Project. (M/s Macawber Beekay Pvt. Ltd).


    Societal Projects:

    43.  Implementation of TERAFIL water filtration systems in Iron Contaminated areas of Jharkhand & Odisha and optimization of TERAFIL raw materials & its process for Eastern region of India. (Min. of Jal Shakti)

    44.  Green synthesis of low-cost, reusable and eco-friendly biobased magnetite nanocomposites for         mitigation hexavalent chromium Cr(VI) in drinking water. (DST, New Delhi)

    45.  Water quality assessment and supply, installation & training/demonstration of Terafil water filter in the state of Chhattisgarh. (IOCL)

    46.  Fabrication and Installation of Hybrid Dryer and Mobile Dryers at different PESA States on trial run basis. (TRIFED)

    47.  Farm based S&T intervention for socio-economic development in the aspirational district of         Nabrangpur, Odisha. (Govt. of Odisha)

    48.  Training, Demonstration and supply of rural technologies in the district of Balangir. (Govt. of Odisha)

    49.  Biomass mediated value addition to fertilizer industries waste. (DST)

    50.  Production of Potash, Sulfur and Phosphorus enriched biochars utilizing biomass and fertilizer         industries waste. (CSIR)

    51.  Jigyasa 2.0 Program with the concept of Virtual Lab Integration (CJVL)-First Tranche. (CSIR)

    52.  Terafil add-on filter technology for zero-bacteria drinking water. (CSIR)

    53.  Dissemination of Terafil water treatment system and improved cook-stove in the tribal district of Odisha. (CSIR)

    54.  Design, Development, Testing & Supply of 100 LPD capacity Terafil water filters. (Kerala Rural Water Supply and Sanitation Agency (KRWSA), Kerala)

    55.  Intervention of Terafil technology in the state of Madhya Pradesh. (CSIR-AMPRI) 

    56.  Centre of excellence for water quality assessment. (CSIR)

    57.  Installation of 100 nos. of drinking water units from sub-soil brine using exhaust heat of diesel engine. (Govt. of Gujarat)

    58.  Gasification of biomass to produce electricity and other fuels. (CSIR)

    59.  Design and development of a germicidal attachment for Terafil Water Filter. (CSIR)

    60.  Development of house hold defluoridation unit for safe drinking water in fluoride endemic regions. (DST)