CSIR - IMMT | Mineral Processing

Dr. Tonmoy Kundu, Scientist-E 8420314271, tkundu@immt.res.in ,

DESCRIPTION :

Tonmoy Kundu has research as well as industrial experience in the field of mineral processing. He qualified for GATE and pursued post-graduation (M.Tech) from the Indian School of Mines, Dhanbad, in the field of Mineral Engineering. He was awarded the Gold Medal for securing 1st rank in the department. After the completion of M. Tech, Mr. Kundu joined the Mineral Processing – SBU of McNally Bharat Engineering Co. Limited (MBECL), Kolkata. Later, he joined the Metallurgical and Material Handling Division of Larsen and Toubro Limited (L&T), Kolkata. During his industrial work span of around three and half years (in total), he was responsible for analysis of the test reports, process equipment selection and sizing, preparation of process flow diagram cum mass balance, floating of equipment enquiry specifications followed by technical evaluation of the vendor offers, preparation of technical offer write-up, etc. of various coal and mineral processing plant project proposals. Mr. Kundu joined CSIR-Institute of Minerals and Materials Technology, Bhubaneswar, as a Scientist in the year 2016. Subsequently, he completed his doctorate from the Academy of Scientific and Industrial Research in 2025. Presently, he is working on process flowsheet development for the beneficiation of low and lean grade ores of iron, coal, critical and strategic minerals through conventional as well as advanced beneficiation techniques. Dr. Kundu is a member of various professional societies and has several publications in peer-reviewed journals.

EXPERIENCE :

Executive Trainee; McNally Bharat Engineering Co. Ltd., Kolkata; July 2012 - June 2013.
Associate Manager; McNally Bharat Engineering Co. Ltd., Kolkata; July 2013 - September 2013.
Sr. Design Engineer; Larsen and Toubro Ltd., Kolkata; September 2013 - December 2014.
Assistant Engineering Manager; Larsen and Toubro Ltd., Kolkata; January 2015 - January 2016.
Scientist; CSIR-Institute of Minerals and Materials Technology, Bhubaneswar; January 2016 - January 2020.
Senior Scientist; CSIR-Institute of Minerals and Materials Technology, Bhubaneswar; January 2020 - January 2023.
Principal Scientist; CSIR-Institute of Minerals and Materials Technology, Bhubaneswar; January 2023 - till date.

AREA OF INTEREST :

1. Process flowsheet development for the beneficiation of low-grade iron ores, such as BHJ, BHQ, iron ore fines, slimes, etc.

2. Process flowsheet development for the beneficiation of critical and strategic minerals, such as Lithium, PGE, REE, beach sand, copper, etc.

3. Process flowsheet development for the beneficiation of low-grade chromite ores.

4. Process flowsheet development for the beneficiation of discarded waste materials, such as Cu-slag, e-waste, fly ash, etc.

AWARDS & HONOURS :

Gold Medal for securing 1st rank in M.Tech(Mineral Engineering), ISM Dhanbad.

RECENT PUBLICATIONS :

1. Kundu, T., Das, S. K., Dash, N., Parhi, P. K., Sangurmath, P., & Angadi, S. I. (2023). Characterization and gravity concentration studies on spodumene bearing pegmatites of India. Separation Science and Technology, 58(13), 2331-2343.

2. Kundu, T., Das, S. K., Tripathy, S. K., & Angadi, S. I. (2021). Performance evaluation of the VSK separator for treating mineral fines. Minerals Engineering, 167, 106883.

3. Kundu, T., Das, S. K., Biswal, D. K., & Angadi, S. I. (2021). Mineral beneficiation and processing of coal. In Clean coal technologies: Beneficiation, utilization, transport phenomena and prospective (pp. 1-38). Cham: Springer International Publishing.

4. Kundu, T., Senapati, S., Das, S. K., Angadi, S. I., & Rath, S. S. (2023). A comprehensive review on the recovery of copper values from copper slag. Powder technology, 426, 118693.

5. Kundu, T., Rath, S. S., Das, S. K., Parhi, P. K., & Angadi, S. I. (2023). Recovery of lithium from spodumene-bearing pegmatites: A comprehensive review on geological reserves, beneficiation, and extraction. Powder Technology, 415, 118142.

6. Nayak, D., Kundu, T., Dash, N., Angadi, S. K. I., Chaurasiya, S. K., Sreedhar, G. E., ... & Rath, S. S. (2023). Evaluation of VSK separation in the classification of two mineralogically different iron ore fines. International Journal of Minerals, Metallurgy and Materials, 30(2), 260-270.

7. Das, S. K., Kundu, T., Dash, N., & Angadi, S. I. (2023). Separation behavior of Falcon concentrator for the recovery of ultrafine scheelite particles from the gold mine tailings. Separation and Purification Technology, 309, 123065.

8. Das, S. K., Tan, J., Kundu, T., Rath, S. S., & Angadi, S. I. (2023). Performance evaluation of Falcon fluidized bowl and ultrafine (UF) bowl concentrators for the recovery of ultrafine scheelite particles. Advanced Powder Technology, 34(10), 104193.

9. Das, S. K., Rath, S. S., Kundu, T., Dash, N., & Angadi, S. I. (2025). Decoding the beneficiation of ultra-fine scheelite values from gold mine tailings: mineralogical investigation and flowsheet development. Separation Science and Technology, 1-15.

10. Das, S. K., Angadi, S. I., Kundu, T., & Basu, S. (2020). Mineral processing of rare earth ores. Rare-Earth Metal Recovery for Green Technologies: Methods and Applications, 9-38.

11. Das, S. K., Ellamparuthy, G., Kundu, T., Angadi, S. I., & Rath, S. S. (2024). A comprehensive review of the mechanical separation of waste printed circuit boards. Process Safety and Environmental Protection.

12. Das, S. K., Ellamparuthy, G., Kundu, T., Ghosh, M. K., & Angadi, S. I. (2021). Critical analysis of metallic and non-metallic fractions in the flotation of waste printed circuit boards. Powder Technology, 389, 450-459.

13. Singh, D., Basu, S., Mishra, B., Prusty, S., Kundu, T., & Rao, R. (2023). Textural and Chemical Characters of Lean Grade Placer Monazite of Bramhagiri Coast, Odisha, India. Minerals, 13(6), 742.

14. Das, S. K., Nagesh, C. H. R. V. S., Sreenivas, T., Kundu, T., & Angadi, S. I. (2023). A treatise on occurrence, beneficiation and plant practices of tungsten-bearing ores. Powder Technology, 429, 118938.

15. Kundu, T., & Parhi, P. K. (2025). Exploring the Flotation Performance of a Novel Low-Grade Indian Spodumene-Bearing Pegmatite Deposit for Sustainable Development. Journal of Sustainable Metallurgy, 1-21.

PROJECTS WORKED ON :

Sl. No.	Title of the project	Participating Agencies	Role
1.	Production of lithium from ores.	CSIR, New Delhi	Co-Project Leader
2.	Recovery of Lithium from Potential Indian Primary Resources for Battery Applications	CSIR, New Delhi	Co-Project Leader
3.	Recovery of metallic values from the discarded copper slag.	Ministry of Mines, New Delhi	Project Leader
4.	Design and development of flotation column system for the recovery of monazite from IREL mineral separation plant.	M/s IREL (India) Ltd., Chatrapur	Project Leader
5.	Development of a process flowsheet for the recovery of individual heavy minerals from the mineral sand plant tailings.	M/s IREL (India) Ltd., Chatrapur	Co-Project Leader
6.	Dry beneficiation studies on low-grade manganese ore fines.	M/s. Tata Steel Ltd., Jamshedpur	Project Leader
7.	Grindability studies of the nickel lateritic ore	M/s. Tata Steel Ltd., Jamshedpur	Project Leader
8.	Characterization and Beneficiation studies on BHQ ore from Surjagarh iron ore mines, Gadchiroli for developing the flowsheet of iron ore beneficiation plant for pellet feed.	M/s. Llyods Metals and Energy Ltd., Maharashtra	Project Leader
9.	Beneficiation Studies for Iron Ore Processing Plant at NMDC Bacheli.	M/s. Takraf India Pvt. Ltd.	Project Leader
10.	Physical separation studies to improve the LD slag quality for subsequent utilisation.	M/s. Tata Steel Ltd., Jamshedpur	Co- Project Leader
11.	Beneficiation studies for the enrichment of manganese from the low-grade ferruginous ores.	M/s. Tenova India Pvt. Ltd., Bangalore	Co- Project Leader
12.	VSK Separator classification studies on iron ore and coal fines.	M/s. NMDC, Hyderabad	Co- Project Leader
13.	Recovery and extraction of PGE values from low-grade PGE ores of Bangur ML of OMC Ltd: Process Flowsheet Development, Pilot scale testing, DPR preparation.	M/s. Odisha Mining Corporation Ltd.	Co-Project Leader
14.	Process development for the recovery of tungsten values from lean grade Indian resources.	Ministry of Mines, New Delhi	Team Member
15.	Characterization and beneficiation of low grade PGE ores of Bangur Mine Lease of OMC Ltd.	M/s. Odisha Mining Corp. Ltd., Bhubaneswar	Team Member
16.	Magnetic separation studies to recover iron values from Blue Dust.	M/s. Telluric Engg. Pvt. Ltd., Kolkata	Team Member
17.	Process Flowsheet Development for the Beneficiation of Chromite Ores	M/s. Vedant Limited (FACOR), Odisha	Team Member
18.	Characterization and beneficiation of Iron Values from Lean-grade BHJ Ore	M/s. Thriveni Earthmovers Pvt. Ltd., Odisha	Team Member
19.	Process flowsheet development for the recovery of iron values from lean-grade BHQ ores	M/s. R. Praveen Chandra Group, Bengaluru	Team Member
20.	Flowsheet development for processing of beach sand minerals from the tailings of Srikakulam district, Andhra Pradesh.	M/s. APMDC Ltd., Andhra Pradesh	Team Member
21.	Bench-scale dry beneficiation studies of the wollastonite ore for achieving the desired product quality and yield as mentioned herein.	M/s. Wolkem Industries Ltd., Udaipur	Team Member
22.	Characterization and Process flowsheet development for the recovery of iron values from low-grade ore.	M/s. Sandur Manganese and Iron Ore Ltd. Bengaluru	Team Member
23.	Development of process flowsheet for the recovery of iron values from low-grade fines.	M/s. Odisha Alloys Pvt. Ltd., Kharagpur	Team Member
24.	Laboratory-scale feasibility studies on the recovery of iron values from a low-grade iron ore.	M/s. Arcelor Mittal Nippon Steel India Ltd.	Team Member
25.	Beneficiation studies of iron ore from Hahaladdi Mines, North Bastar, Kanker, Chattisgarh	M/s. JSW Ispat Special Products Ltd.	Team Member
26.	Process flowsheet development for the recovery of iron values from low-grade iron ore.	M/s. Vedanta Ltd., Goa	Team Member

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