Dr. Jasobanta Das, Principal Technical Officer 9861361644,   jdas@immt.res.in ,  

EXPERIENCE :

• Principal Technical Officer: (2019- Continuing), Central Characterization Department, CSIR-IMMT, Bhubaneswar, India.
• Senior Technical Officer (3): (2014 – 2019), Central Characterization Department, CSIR-IMMT, Bhubaneswar, India.
• Senior Technical Officer (2): (2009 – 2014), Colloids & Materials Chemistry Department, CSIR-IMMT, Bhubaneswar, India.
• Gr. III (4): (2004 – 2009), Colloids & Materials Chemistry Department, RRL/CSIR-IMMT (CSIR), Bhubaneswar, India.
• Gr. III (3): (1999 – 2004), Environment Management & Inorganic Chemicals, Regional Research Laboratory (CSIR), Bhubaneswar, India.
• Gr. III (2): (1996 – 1999), Inorganic Chemicals Department, Regional Research Laboratory (CSIR), Bhubaneswar, India.
• Gr. III (1): (1991 – 1996), Inorganic Chemicals Department, Regional Research Laboratory (CSIR), Bhubaneswar, India.

AREA OF INTEREST :As technical staff  got exposure to the operation & maintenance of various sophisticated instruments such as:

• Atomic Absorption Spectrometer, Thermo scientific, iCE 3500
• MicroRaman Spectrometer (Renishaw), UK
• Automated Surface area and porosity analyzer (ASAP-2020), Micromeritics, USA

Besides, contributed to  R&D work for materials development and their application

• Development of graphene based materials for photocatalyst for degradation of some organic dyes and water splitting studies.
• Development of Hydrotalcites/modified hydrotalcite catalysts/ adsorbent materials for removal of toxic anions such as fluoride, selenite, hexavalent chromium, phosphate etc. from aqueous system.
• Ketonisation and esterification of acetic acid using Mg/Al & Zn/Al hydotalcite-type anionic clay
  
• Studies on low temperature CO oxidation and decomposition of VOCs using manganese nodule and its leached residues.
• Synthesis of goethite by homogeneous precipitation technique
• Utilization of red mud and alum sludge for recovery of metal values
  

RECENT PUBLICATIONS :

• A. Samal, D. P. Das, K. K. Nanda, B. K.  Mishra, J. Das and A. Dash, Reduced Graphene Oxide–Ag₃PO₄ Heterostructure: A Direct Z‐Scheme Photocatalyst for Augmented Photoreactivity and Stability. Chem. Asian Journal 11 584-595 (2016) (IF: 4.587)    
  
• D.P. Das, A Samal, J. Das, A. Dash and H.O. Gupta, One-Pot Fabrication of RGO– Ag₃VO₄ Nanocomposites by in situ Photoreduction using Different Sacrificial Agents: High Selectivity Toward Catechol Synthesis and Photodegradation Ability. Photochemistry and Photobiology 90 (1), 57-65 (2014). (IF: 2.287)
• Visible light induced photo-hydroxylation of phenol to catechol over RGO-Ag3VO4 nanocomposites without the use of H2O2, D.P. Das*, R.K. Barik, J. Das, P. Mohapatra, K.M. Parida, RSC Adv. 2 (2012) 7377-7379.

PATENTS :

•          Reduced grapheneoxide-silver phosphate (RGO-AgP) and a process for the preparation thereof for the photodegradation of organic dyes, D.P. Das*, A. Samal, J. Das, A. Dash (PCT/IN2013/000575, 24.09.2013, WO 2014207754 A1, CA2916855A1, EP3013742A1, EP3013742B1 Granted on 30.05.2018).
•     One-pot in-situ photoreduction process for synthesis of a robust reduced graphene oxide-silver phosphate (RGO-AgP) for a swift mineralization of organic textile dyes under visible light illumination, D.P. Das*, A. Samal, J. Das, A. Dash (1870DEL2013, 26.06.2013, Granted 01.04.2019)

PROJECTS WORKED ON :

As Project Leader

• Testing and analysis of raw materials and TCLP studies of  Tata steel BSL, Sponsor: Tata steel BSL, Dhenkanal
• Testing of Dead Burnt Magnesite of SAIL, SRU, Bhilai, Sponsor: SAIL, SRU, Bhilai, Chhatisgarh
• Testing of Silicon Carbide samples of SAIL Refractory Unit, Bokaro, Sponsor: SAIL, SRU, Bokaro, Jharkhand

As Team Member

• Characterization and beneficiation of low grade PGE ores, Sponsor: M/s. OMC, Bhubaneswar
• Processing of GCP sludge for value addition, Sponsor: JSW, Dolvi, Mumbai
• Graphene based nanoarchitectures for catalytic applications, DST, New Delhi
• Speciality materials based on engineered clays (SPECS): CSIR Network
  
• Anchored graphene nanocomposites for catalytic applications, Sponsor:  DST, New Delhi
  
• Destruction of volatile organic compounds (VOCs) over perovskite-type compounds: Development of a catalytic oxidation device, Sponsor: MOEF, New Delhi
• Preparation, characterization and catalytic activity evaluation of complex immobilized mesoporous silica, Sponsor: DST, New Delhi
• Design and development of nanometal/metal oxide and composite oxide promoted nanoporous materials for catalytic applications, Sponsor: DST, New Delhi
• Synthesis of fine chemicals and oxidative decolorization of effluents using manganese nodule and manganese nodule leached residue as catalyst, Sponsor: Ministry of Earth Sciences, Govt. of India 
• Preparation, characterization and catalytic activity of metal complexes/ polyoxometalates intercalated hydrotalcites, Sponsor: DST, Govt. of India.
• Adsorption behaviour and catalytic activity of manganese nodules leached residues, Sponsor: DOD, Govt. of India   
• Development of gold promoted titania rare earth mixed oxides for low temperature CO oxidation, Sponsor: BRNS, BARC, Mumbai
• Development of a low cost filtration kit for the treatment of selenium contaminated water in Talcher-Angul region of Orissa, Sponsor: MoEF, Govt. of India
• Air and water quality of Simlipal Bioreserve, Sponsor: MoEF, Govt. of India 
  
• Abatement of pollution caused by chromite mining and processing industries in Orissa (Phase I): Preparation of feasibility report, Sponsor: Orissa Environment Programme (Indo-Norwegian Govt. for   Co-operation)
  
• Abatement of pollution caused due to chromite mining in Orissa (Phase-II): Treatment of chromite mine water, Sponsor: Orissa Environment Programme (Indo-Norwegian Govt. for Co-operation)
• Development of high surface area, non-microporous and thermally stable zirconia for catalyst support, Sponsor: Board of Researches in Nuclear Sciences (BRNS), Mumbai