CSIR-Central Glass & Ceramic Research Institute
(A Unit of Council of Scientific and Industrial Research)

सीएसआईआर-केंद्रीय कांच और सिरेमिक अनुसंधान संस्थान
(वैज्ञानिक और औद्योगिक अनुसंधान परिषद की एक इकाई)
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ASHIS KUMAR MANDAL
Senior Scientist

Glass Science and Technology Section, Glass Division

Ph: +91-33-23223341 / +91-33-2473 0957
E-mail: ashis@cgcri.res.in

B.E. (Chemical), Jadavpur University
PhD (Engineering), Jadavpur University




Dr. Ashis K. Mandal joined CSIR-CGCRI on April 09, 2001

Research Interest
  • Material processing using microwave energy, Working to develop green glass melting process using microwave energy, Preparation of glass ceramic using microwave heating, RE-doped nanocomposite glass-ceramics, filter glasses for UV transmission and IR absorption. Transition metal doped glasses. Setting up pilot scale facility for production of specialty glasses, indigenous development of Nd doped phosphate glass. Optimization Glass Melting Process to develop phosphate glass in pilot scale. Cold crucible Induction Melting for producing ultra pure glass at high temperature. Determination of iron redox ratio (Fe2+/∑Fe) in glass.

Professional Career
DesignationsOrganisationDuration
Scientific Officer/C Heavy Water Plant (Manuguru), Heavy Water Board,
Department of Atomic Energy
August’1998- April’2001
Junior Scientist Central Glass and Ceramic Research Institute, CSIR April’2001- April’2005
Scientist Central Glass and Ceramic Research Institute, CSIR April’2005- April 2010
Senior Scientist Central Glass and Ceramic Research Institute, CSIR April 2010- till date

Awards/Recognition
  • Recipient of best poster award in Glass and Glass Ceramic category for poster entitled “Self Stirring Effect in Glass Melted Using Microwave Radiation” by Ashis Kumar Mandal and Ranjan Sen in the National Symposium on Materials and Processing-2012 (MAP-2012) Organized by Materials Research Society of India (Mumbai-Chapter) in association with Bhabha Atomic Research Centre, Mumbai at Multipurpose Hall Training School Hostel, BARC, Anushaktinagar Mumbai- 400 094 during October 10-12, 2012.
  • The poster entitled ‘Energy transfer based eye safe infra-red luminescence from Nd3+-Yb3+-Er3+ triple ion doped metaphosphate glasses’ A. D. Sontakke, K.Biswas, A. K. Mandal, K. Annapurna, received first prize for the best poster presented at International Conference on Advanced Functional Materials (ICAFM-09) held at NIIST, Trivandrum, Kerala (India) during 9 – 10 Dec 2009.
  • The work entitled “Microwave heating : an alternate process of glass melting” by Ranjan Sen and Ashis Kumar Mandal, was presented as Invited talk in 24th International Congress on Glass (ICG 2016), Shanghai International Convention Center (SHICC) , China, April 7th to 11th, 2016.
  • IconSWM 2016 Excellent Paper Award: Toxic Metal Removal Using Biosorption Process and Inertization of Generated Hazardous Metal Laden Biosorbent, L. Ramrakhiani, A. Halder, A.K. Mandal, S. Majundar, S. Ghosh, 6th International Conference on Solid Waste Management, 6th IconSWM 2016, Jadavpur University, Kolkata, India, November 24 - 26, 2016.
  • Reviewed manuscript for the Journal like Ceramic International, Geoderma, Transactions of the Indian Ceramic Society, Journal of Hazardous Materials and many others.

Selected Publications
Summary: Total 49 (Journal 21, Conference 28)

In SCI Journals: 21 nos.
  1. An Overview on Microwave Processing of Material: A Special Emphasis on Glass melting, Ashis K. Mandal* and Ranjan Sen; Materials and Manufacturing Processes, 2017 32, 1, 1-20.
  2. Industrial waste derived biosorbent for toxic metal remediation: Mechanism studies and spent biosorbent management, Lata Ramrakhiani, Avik Halder, Abhradeep Majumder, Ashis K. Mandal, Swachchha Majumdar,Sourja Ghosh, Chemical Engineering Journal 308 (2017) 1048–1064.
  3. A comparative spectrophotometric study using ferrozine and 1, 10 ortho-phenanthroline to evaluate the iron redox ratio (Fe2+/Ʃ Fe) in glass prepared by microwave heating, Biswajit Mandal, Prasanta Kumar Sinha, Ranjan Sen And Ashis Kumar Mandal*, Analytical Sciences , 2016, . 32, 571-576.
  4. Energy efficient melting of Glass for Nuclear Waste Immobilization using Microwave radiation; Mandal A.K.*, Sen S., Mandal S. , Guha C. and Sen R. International Journal of Green Energy (2015) 12, 1280–1287
  5. Microwave and conventional preparation of Zinc Borate glass: Eu3+ ion as luminescent probe, Ashis K. Mandal*, S. Balaji and Ranjan Sen, Journal of Alloys and Compounds 615 (2014) 283–289.
In Conference Proceedings: 28 nos
  1. Influence of microwave heating on preparation of colourless phosphate glass reducing effect of iron impurity, Ashis Kumar Mandal, Biswajit Mandal, Avik Haldar and Ranjan Sen, International Conference on Advances in Glass Science and Technology (ICAGST-2017), CGCRI, Kolkata, January 23-25, 2017
  2. Preparation and Characterization of Iron Doped Alumino-Phosphate Glass by Microwave and Conventional Heating, Mandal A.K. and Sen R, 12th European Society of Glass- ESG Conference (ESG 2014), Parma, Italy , 21-24 September 2014
  3. Microwave Preparation of Calcium-Borosilicate Glass for Nuclear Waste Immobilisation, Mandal A.K.*, Mandal S., Sen S., Sen R. , 23rd International Congress on Glass (ICG 2013), Prague, Czech Republic, July 01- 05, 2013.
  4. Homogeneous Barium-boro-silicate glass melted by microwave radiation, Ashis Kr Mandal, D. Agarwal, R. Sen; 'The Second Global Congress on Microwave Energy Applications (2GCMEA 2012)'. 2GCMEA 2012, Long Beach, California, USA; July 23-27, 2012.
  5. 'Self Stirring Effect in Glass Melted Using Microwave Radiation' , Ashis Kumar Mandal and Ranjan Sen; National Symposium on Materials and Processing-2012 (MAP-2012), BARC, Anushaktinagar Mumbai, October 10-12, 2012.

Patents filed / Granted
Summary: 01 (Indian, filed)
  1. Process for preparation of iron-doped alumino-phosphate glass using microwave energy in air atmosphere for heat absorbing application. (Indian Patent : 0022NF2016 ; Patent application no: 201611009089)
  2. A process of producing borosilicate glass with OH content less than 70 ppm using microwave heating (Indian Patent : 0131NF2016 ; Patent application no: 201711000056)
  3. A method for effective utilization of tannery solid waste to develop usable glass product (Indian Patent : 0271NF2016; Patent application no: 201611041924)

Notable Research Contribution
  • Developed Energy efficient, cost effective method for melting of bulk glass by microwave heating.
  • Developed a process of utilization of tannery solid waste to develop glass.
  • Various type of glasses (i.e. boro-silicate, alumino-phosphate, Zinc Borate, Lead silicate etc) have been prepared using microwave heating route.
  • Demonstrated 50-70% energy saving and also shorter processing time in microwave melting of glass in compare to conventional resistance heating.
  • Estimation of the Fe2+oxidation state in glass with spectrophotometric methods developing ferrozine and 1, 10ortho-phenanthroline color complexes.
  • Improved property (hardness, chemical durability) for selective glass composition was demonstrated.
  • Demonstrated less evaporation loss of ingredients and less contamination from crucible wall in microwave heating compare to conventional glass melting.
  • Demonstrated ‘self Stirring effect’ in microwave melting.
  • 200g Glass melted using microwave radiation at temperature up to 1500oC.
  • Many specialty glasses and glass ceramic blocks (i.e. radiation shelding window glass, ultra low glass ceramic) have been produced in pilot scale.
  • Operation of pilot plant for production of special glass ceramic. Utility design for the pilot plant.
  • Working to develop indigenous process technology for producing Phosphate Glass. Designing Platinum crucible and stirrer for indigenous development Phosphate glass
  • Developed rare earth doped oxy-fluoride glass-ceramics containing fluoride nano-crystals (Eu doped NaYF4) of low phonon energy.
  • Develop Fe doped alumino- phosphate glass as IR absorbing application.


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