Dr Nagabhatla Viswanadham

Chief Scientist

M Sc	1988, Andhra University
Ph D	1997, Roorkee University
E Mail	nvish@iip.res.in
Telephone No.	+91 – 135-2525856
Cell No.	+91 – 9760166857

Research Interest

• Synthesis of materials for heterogenous catalysis
• Synthesis of nano crystalline, nano porous and composite materials from low value substrates such as coal tar, glycerol and glucose
• Light hydrocarbon conversion processes to produce petrochemicals and fuel
• Carbon chain growth reactions through selective oligomerization to produce diesel and kerosene range hydrocarbons from naphtha
• Selective cracking reactions to produce light olefins, LPG, hydrogen and propane
• Catalyst preparation, physico-chemical characterisations and activity measurements
• Production of oxygenates from bio-based feeds such as glycerol and phenols for fuel applications
• Production of new generation fuels
• Fossil and bio-feed conversions
• New generation catalytic reforming to produce BTX from low value feedstocks

Work Experience

Awards and Honours

• Technology development- (8000TPA capacity NTGG demo unit at GAIL India’s Vaghodia)
• Professor Shanti Ranjan Palit Award, Indian Chemical Society-1994
• Hindustan Platinum Award, Catalysis Society of India-1997
• BOYSCAST Fellowship-1999
• Japan Society for the Promotion of Science (JSPS) Fellowship, 2000
• Brain Pool Fellowship, KRICT, South Korea 2007
• Visiting Professorship under Indo-Japan Co-operative Science Programme (IJCSP), 2003
• Editorial member
  • Asian journal of Spectroscopy, Spectral-Force Publishers
  • International Journal of Oil, Coal and Gas Technologies, Interscience Publishers
  • Asian Material Sciences Letters (AMSL), Spectral-Force Publishers
  • Journal of Applied Chemistry, Hindawi Publishing Corporation
  • Journal of Advanced Catalysis Science and Technology, Cosmos Scholars Publishing

Patents

• A novel single step catalytic process for the simultaneous production of aromatics, naphthenics and isoparaffins for gasoline and petrochemical applications
  N Viswanadham, Anjan ray, Sandeep Kumar Saxena, Rajiv Panwar
  US and Indian Pat. Appl. 201911029825 (2019)
• A single -step catalytic process for conversion of naphtha to diesel range hydrocarbons
  N Viswanadham, Peta Sreenivasulu, Sandeep K Saxena, Panwar, Devaki Nandan, Jagdish Kumar
  Russian Patent No. 2648239 (2018)
• A single step catalytic process for the conversion of naphtha to diesel range hydrocarbons
  N Viswanadham, Peta Sreenivasulu, Sandeep K Saxena, Panwar, Devaki Nandan, Jagdish Kumar
  Saudi Arabian Application No. 516371948 (2018)
• A single step catalytic process for the conversion of naphtha to diesel range hydrocarbons
  N Viswanadham, Peta Sreenivasulu, Sandeep K Saxena, Panwar, Devaki Nandan, Jagdish Kumar
  Australia Patent Application No. 2013342997 (2017)
• A single step catalytic process for the conversion of naphtha to diesel range hydrocarbons
  N Viswanadham, Peta Sreenivasulu, Sandeep K Saxena, Panwar, Devaki Nandan, Jagdish Kumar
  US Patent No. 9,598,649 B2 ( 2017)
• A single step catalytic process for the conversion of naphtha to diesel range hydrocarbons
  N Viswanadham, Peta Sreenivasulu, Sandeep K Saxena, Panwar, Devaki Nandan, Jagdish Kumar
  South Africa, Patent No. 2015/03452 (2016)
• A catalyst and process for the conversion of bio-ethanol into gasoline
  N Viswanadham and Sandeep K Saxena
  US Patent No. 9, 267, 081 (2016)
• Modified zeolite catalyst useful for the conversion of paraffins olefins and aromatic in a mixed feedstock into isoparaffins and process thereof (second series)
  N Viswanadham, Raviraj Kamble, Amit Sharma, Jagdish Kumar, B S Negi, G Murali Dhar and M O Garg
  US Patent No. 8772560 (2014)
• A catalyst and process for the conversion of bio-ethanol into gasoline
  N Viswanadham and Sandeep K Saxena
  Indian Patent No. 13/619,608 (2014)
• Sulfonated carbon silica composite and a process for the preparation therof
  N Viswanadham and Devaki Nandan
  US Patent No. 8722573 (2014)
• A single step catalytic process for the conversion of naphtha to diesel range hydrocarbons
  N Viswanadham, Peta Sreenivasulu, Sandeep K Saxena, Panwar, Devaki Nandan, Jagdish Kumar
  WO Patent No. 2014/073006 A1 (2014)
• Modified zeolite catalyst useful for the conversion of paraffins olefins and aromatic in a mixed feedstock into isoparaffins and process thereof
  N Viswanadham, Raviraj Kamble, Amit Sharma, Jagdish Kumar, B S Negi, G Murali Dhar and M O Garg
  US Patent No. 8349754 (2013)
• A process for the preparation of a novel zeolite catalyst useful for the hydro-isomerization of light alkanes
  N Viswanadham, Sandeep K Saxena, Sneh Chopra, Lalji dixit
  Indian Patent No. 246902 (2011)

Selected Publications

• Hybrid Nanocomposite Comprising Mg–Al Hydrotalcite Nanocrystals on ZSM-5 Zeolite for Production of Renewable Fuel Additives from Furfural
  Anup Tathod*, Bhavna Saini, Selvamani Arumugam and Nagabhatla Viswanadham*
  ACS Applied Nano Materials 2023, DOI: 10.1021/acsanm.2c05349
• Renewable p-Xylene Production by Catalytic Conversion of Crude Bioglycerol (GTA-pX Process)
  Vijendra Singh, Selvamani Arumugam*, Mahesh Kumar, Anup Prakash Tathod, and Nagabhatla Viswanadham*
  Industrial & Engineering Chemistry Research 2023, Volume 62, Pages 1788-1796
• CeO2–TiO2 Nanoparticle-Grafted gC3N4 Sheets as an Efficient Catalyst for the Oxidation of Cyclohexane to KA oil
  Selvamani Arumugam*, Vijendra Singh, Anup Prakash Tathod, Santhanaraj Daniel, and Nagabhatla Viswanadham*
  Industrial & Engineering Chemistry Research, 2023, 61, 18371-18381
• Nickel nano-particles confined in ZSM-5 framework as an efficient catalystfor selective hydrodeoxygenation of lignin-derived monomers
  Bhavna Saini, Anup Tathod*, Jitendra Diwakar, Selvamani Arumugam and Nagabhatla Viswanadham*
  Biomass and Bioenergy, 2022, 157, 106350
• Sustainable Upgrade of Bioderived Glycerol to Solketal through Acetalization over Metal-Free Mordenite Catalysts
  Bhavna Saini, Anup Tathod*, Sandeep Saxena, Selvamani Arumugam and Nagabhatla Viswanadham*
  ACS Sustainable Chem. Eng, 2022, 10, 1172- 1181
• Conversion of bio-derived crude glycerol into renewable high-octane gasoline-stock
  Vijendra Singh,   Selvamani Arumugam,   Anup Prakash Tathod and  Viswanadham Nagabhatla*
  Chemical Communications, 2022, 58, 4873-4876
• Efficient Bifunctional Catalysts for Enhanced Carbon Conversions and Alky-Aromatics Production in Crude Bio-glycerol Methanol Processes
  Vijendra Singh,   Selvamani Arumugam,   Anup Prakash Tathod and  Viswanadham Nagabhatla*
  ACS Sustainable Chem. Eng, 2022, 10, 5323-5332
• Mesoporous titanium-aluminosilicate as an efficient catalyst for selective oxidation of cyclohexene at mild reaction conditions
  Jitendra Diwakar, Selvamani Arumugam, Bhavna Saini, Anup Prakash Tathod, Nagabhatla Viswanadham*
  Chinese Journal of Chemical Engineering, 2022, 55, 257-265
• Single pot template-free synthesis of a glycerol-derived C–Si–Zr mesoporous composite catalyst for fuel additive production
  Saurabh Kumar, N. Viswanadham*, Sandeep K. Saxena, Arumugam Selvamani, Jitendra Diwakar, Ala’a H. Al-Muhtaseb
  New Journal of Chemistry 2020, Volume 44, Pages 8254-8263
• India transitions to Bharat stage VI fuels
  N. Viswanadham, Devendra Singh, A.K. Gupta , Anjan ray
  DEW – Complete energy journal 2020, Volume 29-06, Pages 35-43
• Single- pot synthesis of ordered nanoporous amorphous H-Zn-Aluminosilicate for bulky molecular catalysis
  Jitendra Diwakar, Nagabhatla Viswanadham, Saurabh Kumar, Adarsh Kumar, Sandeep K. Saxena
  Sustainable Energy & Fuels 2018, Volume 2, Pages 1693-1698
• Liquid-phase solvent-less reactions for value addition of glycerol and phenol over nano porous aluminosilicates
  Jitendra Diwakara, Nagabhatla Viswanadham, Sandeep K Saxenaa, Saurabh Kumara and Ala’a H Al-Muhtasebb
  Materials Today Communications 2018, Volume 15, Pages 260-268
• Facile synthesis of bio-fuel from glycerol over zinc aluminium phosphate nano plates
  Nagabhatla Viswanadham, Sandeep K Saxena and P Sreenivasulu
  Sustainable Energy & Fuels, 2017, 1, 1018 – 1022
• Cu functionalized nano crystalline ZSM-5 as efficient catalyst for selective oxidation of toluene
  N Viswanadham, Sandeep K Saxena and Ala’a H Al-Muhtaseb
  Material Today Chemistry 3 (2017) 37-48
• Enhanced catalytic properties of nano porous mordenite for benzylation of benzene with benzyl alcohol
  Sandeep K Saxena and Nagabhatla Viswanadham
  Applied Surface Science, 2017, 392, 384–390
• Carbonized glycerol nano tubes as efficient catalysts for biofuel Production
  Viswanadham Nagabhatla, Debnath suman, Sandeep Kumar Saxena and Ala’a H Al-Muhtaseb
  RSC Adv., 2016, 6, 41364 – 41368
• Nano particles of ZrPO4 for green catalytic applications
  Peta Sreenivasulu, Nagabhatla Viswanadham and P Chandrasekhar
  Nanoscale, 2014, 6 (24), 14898 – 14902 (Recognized as high quality Indian research by RSC)
• Facile synthesis of mesoporous aluminosilicate nano particles for selective production of N-Benzylidenaniline in solvent-free reaction of aniline with benzyl alcohol
  Peta Sreenivasulu, Nagabhatla Viswanadham and Sandeep K Saxena
  J. Mater. Chem. A, 2014, 2 (20), 7354 – 7359 (Hot article)
• Synthesis of hierarchical ZSM-5 using glucose as templating precursor
  Devaki Nandan, Sandeep K Saxena and Nagabhatla Viswanadham
  J. Mater. Chem. A, 2014, 2 (4), 1054 – 1059