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सीएसआईआर - उत्तर पूर्व विज्ञान एवं प्रौद्योगिकी संस्थान
CSIR-North East Institute of Science and Technology

A Constituent laboratory of Council of Scientific and Industrial Research (CSIR)

Ministry of Science and Technology, Govt. of India
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सीएसआईआर - उत्तर पूर्व विज्ञान एवं प्रौद्योगिकी संस्थान
CSIR-North East Institute of Science and Technology

Bio-Data

Bio-Data

Particulars of organization, functions and duties

Dr Bipul Das

Dr Bipul Das

Designation : Scientist E

Education : B.E. (Chemical Engg), M.Tech (Chemical Engg) IIT Guwahati, Ph.D. (Chemical Engg.)

ID. No.: 1226

Contact Details: + 91- 0376-2371097, extn. 2462, Fax: +91 376-2370011

Email id : bipuldas@neist.res.in, bipul.das27@gmail.com

Research Interest

  • Membrane Separation Processes (Microfiltration, Ultrafiltration and Nanofiltration)
  • Extraction and Purification of value-added products from plant
  • Treatment of industrial effluent
  • Membrane technology: (Synthesis and application of Ceramic membranes)

Projects

  • Inherently Safer Practices for Industrial Risk Reduction (INSPIRE) (PI) (Completed)
  • Development of an efficient and cost-effective process for production of caffeine and Tannin from Tea Waste (PI) (Completed)
  • Process for recycling of tea factory wastewater (PI), (Completed)
  • Extraction and purification of caffeine from caffeine rich (30%) tea extract

List of Publications

  • Siri Fung Basumatary, Bipul Das, Samuel Lalthazuala Rokhum, Sanjay Basumatary, Development of a novel heterogeneous MGO@K2SiO3 catalyst for conversion of quaternary oil blend to clean fuel, Biomass and Bioenergy 206 (2026) 108615. https://doi.org/10.1016/j.biombioe.2025.108615
  • Megha Singh Hazarika, R. Auroshika,Tobiul Hussain Ahmed, Bipul Das*, Tea Factory Waste Used as an Adsorbent for Efficient Removal of Acid Yellow 25 Dye from Water: Modelling and Kinetics Study for Batch and Fixed Bed Adsorption Column, Water Air Soil Pollut, (2026) 237:29. https://doi.org/10.1007/s11270-025-08691-8.
  • Fungbili Basumatary, Angita Sarkar, Phulmani Basumatary, Bipul Das*, Anjalu Ramchiary, Khemnath Patir, Sanjay Basumatary, Efficient catalytic removal of organic pollutant for wastewater treatment using a graphitic carbon nitride/guar-gum/ZnO nanocomposite, Journal of the Indian Chemical Society 102 (2025) 101889. https://doi.org/10.1016/j.jics.2025.101889
  • Meenakshi Borah, Ulkamoni Konwar, Progyani Gogoi, Prerona Boruah, Jyotishka Gourav Bora, Subhankor Garg, Tobiul Hussain Ahmed, Bipul Das, “Decolorization of tea industry wastewater utilizing tea waste bio‑adsorbent in fixed‑bed adsorption column: breakthrough curves analysis and modeling”, Sustainable Water Resources Management, (2024) 10:37, DOI: https://doi.org/10.1007/s40899-023-01020-z.
  • Biswajit Nath, Bidangshri Basumatary, Sujata Brahma, Bipul Das, Pranjal Kalita, Samuel Lalthazuala Rokhum,Sanjay Basumatary, “Musa champa peduncle waste-derived efficient catalyst: Studies of biodiesel synthesis, reaction kinetics and thermodynamics”, Energy 270 (2023) 126976. DOI: https://doi.org/10.1016/j.energy.2023.126976.

List of Key Patents with brief description and status (Filed/Granted/Commercialized)

  • . Process of Caffeine Extraction from Tea Waste (Filed in India and US) Patent Application No. 202511057209 dated 13/6/2025.
  • . Process for Production of Decaffeinated Tea (Filed in India and US) Patent Application No. 202511116171 dated 21-11-2025
  •   Natural Tea Bag from Indian Bay Leaf (Filed in India and US) Patent Application No. 202511078075 dated 14-08-20255

CSIR-North East Institute of Science & Technology

सीएसआईआर - उत्तर पूर्व विज्ञान एवं प्रौद्योगिकी संस्थान

North East Institute of Science and Technology, Jorhat, Assam, a constituent establishment of Council of Scientific and Industrial Research (CSIR), New Delhi, has been engaged in multidisciplinary R&D work relevant to the country in general and North Eastern Region in particular.

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Last updated date : 8/04/2026