Items where Author is "Singh, Ratnakar"

Article

Singh, Ranjeet K and Sahu, Kisor Kumar and Chalavadi, G and Swain, A K and Singh, Ratnakar (2020) Experimental investigation on the separation capabilities and limitation of Falcon semi-batch concentrator. Separation Science and Technology (IF-1.718).

Singh, R K and Sahu, K K and Chalavadi, G and Singh, Ratnakar and Padmanabhan, N P H (2019) Separation characteristics of centrifugal fluidized separator using binary density system. Mineral Processing and Extractive Metallurgy Review . pp. 1-8.

Dey, Shobhana and Mohanta, M K and Singh, Ratnakar (2017) Mineralogy and textural impact on beneficiation of goethitic ore. International Journal of Mining Science and Technology, 27(3) (IF-1.383). pp. 445-450.

Singh, Ratnakar and Dey, Shobhana and Sinha, N (2017) Performance of Different Classes of Organic Compounds as Frother in De-ashing of Indian Coking Coal by Froth Flotation. Transaction of Indian Institute of Metals, 72(2) (IF-0.91). pp. 433-442.

Chalavadi, G and Singh, R K and Sharma, Mamta and Singh, Ratnakar and Das, Avimanyu (2016) Development of a Generalized Strategy for Dry Beneficiation of Fine Coal over a Vibrating Inclined Deck. International Journal of Coal Preparation and Utilization, 36(1) (IF-0.673). pp. 10-27.

Kumar, Vinod and Lee, Jae-chun and Jeong, Jinki and Jha, Manis K and Kim, Byung-Su and Singh, Ratnakar (2015) Recycling of printed circuit boards (PCBs) to generate enriched rare metal concentrate. Journal of Industrial and Engineering Chemistry, 21 (IF-2.145). pp. 805-813.

Dey, Shobhana and Pani, Santosh and Singh, Ratnakar and Paul, Gyan Manjari (2015) Response of process parameters for processing of iron ore slime using column flotation. International Journal of Mineral Processing, 140 (IF-1.310). pp. 58-65.

Dey, Shobhana and Pani, Santosh and Singh, Ratnakar (2014) Study of interactions of frother blends and its effect on coal flotation. Powder Technology, 260 (IF-2.269). pp. 78-83.

Rath, R K and Mohanty, Sunati and Nayak, B and Singh, Ratnakar and Bhattacharyya, K K (2013) A Comparative Study on Processing of High Alumina Hematite Iron Ore by Gravity, Magnetic and Flotation Methods. Journal of Materials Science and Engineering A, 3(5) . pp. 349-354.

Kumar, Vinod and Lee, Jae-chun and Jeong, Jinki and Jha, Manis K and Kim, Byung-Su and Singh, Ratnakar (2013) Novel physical separation process for eco-friendly recycling of rare and valuable metals from end-of-life DVD-PCBs. Separation and Purification Technology, 111 (IF-2.921). pp. 145-154.

Hore, S and Das, Suchandan K and Singh, Ratnakar and Bhattacharyya, K K (2012) Efficiency Study of a Water-Only Cyclone by Experimental and Data Modeling Techniques when Cleaning Indian Coal Fines. International Journal of Coal Preparation and Utilization, 32 (4). pp. 193-209.

Dey, Shobhana and Pani, Santosh and Mohanta, M K and Singh, Ratnakar (2012) Utilization of Iron Ore Slimes: A Future Prospective. Separation Science and Technology, 47 (5). pp. 769-776.

Das, Avimanyu and Singh, Ratnakar and Bhattacharyya, K K (2011) Split Processing of High Ash Indian Coking Coal Fines Using Jameson Flotation Cell. Mineral Processing and Extractive Metallurgy Review, 32(1) (0.611 (SCI)). pp. 17-23.

Sinha, N and Singh, Ratnakar (2011) Studies on chemical processing of graphite from Palamu. Journal of Chemtracks , 13(2) . pp. 489-492.

Singh, Ratnakar and Sinha, N (2010) Floatation studies on a low grade graphite sample from Palamu. Journal of Chemtracks, 12 (1). pp. 71-74.

Singh, Ratnakar and Rao, D S and Sinha, N and Banerjee, B and Bhattacharyya, K K (2009) Mineralogical and flotation characteristics of lead-zinc ore with a particular reference to effects of oxidation. Journal of Metallurgy and Materials Science, 51 (3). pp. 205-213.

Hore, S and Das, Suchandan K and Godiwalla, K M and Bhattacharyya, K K and Singh, Ratnakar (2008) Performance characterization of water-only Cyclone for processing high ash Indian coal. Metals Materials and Processes, 20 (4). pp. 265-280.

Das, Suchandan K and Godiwalla, K M and Panda, Lopamudra and Bhattacharyya, K K and Singh, Ratnakar and Mehrotra, S P (2007) Mathematical modeling of separation characteristics of a coal-washing spiral. International Journal of Mineral Processing, 84 (1-4). pp. 118-132.

Singh, Ratnakar and Bhattacharyya, P and Bhattacharyya, K K (2007) Studies on Recovery of Mineral Values using an Enhanced Gravity Separator. Advanced Gravity Separation . pp. 1-6.

Sinha, N and Singh, Ratnakar (2007) Synthesis of quinoline derivatives and substituted homophthalic acids for use in flotation of low grade ores. Journal of Metallurgy and Materials Science, 49 (3). pp. 175-181.

Singh, Ratnakar and Goswami, M C and Vaish, A K and Das, S K and Goel , R P (2005) NML's Contribution to Development of Indian Steel Industry. Motif . pp. 1-4.

Singh, Ratnakar and Bhattacharya, P and Bhattacharyya, K K and Maulik, S C (2004) Reduction of Alumina in Indian Iron Ores. Metals Materials and Processes, 16 (2-3). pp. 1-14.

Singh, Ratnakar and Ravi Kumar, B and Kumar, A and Dey, P K and Chattoraj, I (2003) The effects of cold working on sensitization and intergranular corrosion behavior of AlSl 304 stainless steel. Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science , 34-A (11). pp. 2441-2447.

Singh, Ratnakar and Sinha, S N (2003) Beneficiation of High Ash Indian Coal-Problems and Prospects. The Indian Mining and Engineering Journal . pp. 1-4.

Mitra, A and Panda, A K and Singh, Ratnakar and Rao, Venkatesh and Ramachandrarao, P (2003) Magnetic and structural behaviours of nanocrystalline Fe70.8Nb3.7Cu1Al2.7Mn0.7Si13.5B7.6 alloy. Philosophical Magazine, 83 (12). pp. 1495-1509.

Mahato, R Raman and Jayakrishnan, P and Bhattamishra, A K and Singh, Ratnakar (2001) Corrosion behaviour of painted HSLA panels in chloride environment a comparative study of different paints. Anti-Corrosion Methods and Materials , 48 (3). pp. 188-193.

Rao, D S and Singh, Ratnakar and Banerjee, B and Bhattacharya, K K and Maulik, S C (1997) Characterisation and Beneficiation Studies on a Low Grade Fluorspar Sample. Vistas in Geological Research . pp. 1-8.

Singh, Ratnakar and Subba Rao, S and Maulik, S C and Chakravorty, N (1997) Fine particles flotation - Recent trends. Transactions of the Indian Institute of Metals, 50 (5). pp. 407-419.

Singh, B P and Singh, Ratnakar (1997) Investigation on the effect of ultrasonic pretreatment on selective separation of iron values from iron ore tailings by flocculation. Separation Science and Technology, 32 (5). pp. 993-1002.

Singh, Ratnakar and Singh, P (1996) Beneficiation of Non-coking Coal for Injection in Blast Furnace. In COAL-96 . pp. 1-12.

Mehrotra, S P and Singh, Ratnakar (1995) Role of Froth Processes on Flotation. Metals Materials and Processes, 6 (3). pp. 1-22.

Singh, Ratnakar and Banerjee, B and Chakrovorty, N (1995) Studies on Concentration of Finely Disseminated Low Grade Graphite Ore. Metals Materials and Processes, 7 (3). pp. 1-6.

Mehrotra, S P and Singh, Ratnakar (1994) Role of froth processes on flotation. Metals Materials and Processes, 6 (3). pp. 195-216.

Singh, Ratnakar and Singh, N and Singh, B P (1994) Chelating type reagents as flotation collector. NML Technical Journal, 36 (1). pp. 19-24.

Singh, Ratnakar (1994) Split Conditioning and Combined Flotation (SCCF) Process: An Innovative approach in Beneficiation of Slimy Rock Phosphate Ore. Innovations in Mineral Processing, Lorentian University, Sudbury,Canada . pp. 1-11.

Singh, Ratnakar (1992) Development of a Reagent Scheme for the Beneficiation of Oxidised Copper Sulphide Ore from Malanjkhand, India. Proceeding of IV International Mineral Processing Symposium, Antalya, Turkey . pp. 1-6.

Singh, Ratnakar and Singh, B P (1992) Environmental Pollution by Mill Tailings and Control Methods. Indian Journal of Environmental Protection, 12 (5). pp. 1-6.

Singh, Ratnakar and Banerjee, S (1992) Resisting stress of a low-alloy ferritic steel after creep exposure in service. Acta Metallurgica Et Materialia, 40 (10). pp. 2607-2616.

Pradip, and Singh, Ratnakar and Das, K K and Sankar, T A P and Sunil Kumar, T S and Narsimhan, D and Rao, N K (1991) Studies to Improve the Flotation Recovery in the Benefi-ciation of a Complex mixed Sulphide-Oxide Ore from Malanjkhand, India. Proceeding of XVI International Mineral Processing Congress . pp. 1-7.

Book or NML Publication

Das, Avimanyu and Singh, Ratnakar and Sahu, K K and Abhilash, and Goswami, N G (2008) Mineral Processing and Nonferrous Extractive Metallurgy. In: Training Course on Mineral Processing and Nonferrous Extractive Metallurgy. National Metallurgical Laboratory, Jamshedpur, Jamshedpur.

Singh, Ratnakar and Sengupta, S K and Pathak, P N and Prasad, S N and Srivastava, J P and Banerjee, B and Chattpadhyay, A and Rao, D S and Maulik, S C and Chakrabarti, C K (2000) Designing Flotation Process for Lead-Zinc ore from Nepal. In: International Symposium on Processing of fines. NML Jamshedpur, Jamshedpur, pp. 188-198. ISBN 81-87053-53-4

Singh, Ratnakar and Bhattacharyya, K K and Maulik, S C (1997) Gravity concentration of fines and ultrafines. In: Processing of fines: Proceedings of the national seminar, Jan 9-10, 1997. NML, Jamshedpur, pp. 40-56. ISBN 81-87053-25-9

Singh, Ratnakar and Maulik, S C and Rafiuddin, S and Kunwar, R K and Banerjee, B and Sil, S K (1996) Recovery of Values from Mining and Industrial Wastes. In: Proceedings of National Seminar on Environmental & Waste Management in Metallurgical Industries. NML, Jamshedpur, India, Jamshedpur, pp. 75-85.

Conference or Workshop Item

Rao, A Mohana and Rath, R K and Mohanta, M K and Dey, B and Sahoo, M and Singh, Ratnakar (2017) Beneficiation Studies on Low Grade Chromite Ores using Multi Gravity Separator. In: International Conference on Mineral Processing Technology (MPT-2017), 2017, Mahabalipuram, Chennai.

Rath, R K and Kumar, Shivesh and Singh, Ratnakar and Kumar, Anil (2017) Effect on air quality and treatment of solid waste generated during processing of iron ores for steel making. In: National Conference on Environmental issues, challenges and solutions (EICS ' 2016), February 2017, SAIL, Ranchi.

Rath, R K and Dey, Bulti and Mohanta, M K and Prusty, L K and Singh, Ratnakar (2017) Recovery of chromite values from tailings of COB plant using enhanced gravity concentrator. In: International Conference on Mineral Processing Technology (MPT-2017), 2017, Mahabalipuram, Chennai.

Jafri, M W and Rath, R K and Dey, Shobhana and Sharma, Mamta and Singh, Ratnakar (2017) Studies on ash reduction of a non-coking coal sample by froth flotation. In: International Conference on Mineral Processing Technology (MPT-2017), 2017, Mahabalipuram, Chennai.

Rath, R K and Mohanta, M K and Singh, Ratnakar (2016) Feasibility of producing sinter fines from a low grade and fine grained hematite-goethitic ore. In: International Conference on MPT-2016, January, 2016, Pune.

Pani, Santosh and Dey, Shobhana and Singh, Ratnakar (2013) Quantitative Evaluation of Frother Blend Interaction and Its Effect on Coal Flotation. In: Proceedings of the XIII International Seminar on Mineral Processing Technology (MPT-2013), 10-12 December, 2013, IMMT, Bhubaneswar.

Vidyadhar, A and Kumari, Neha and Sharma, Mamta and Singh, Ratnakar and Das, Avimanyu (2013) Beneficiation of Non-Coking Coal for Generating Low Ash Clean Coal. In: Recent Trends & Future Needs in Coal Preparation (CPT - 2013), 22-23 February, 2013, CSIR-CIMFR, Digwadih campus, Dhanbad.

Rath, R K and Mohanty, Sunati and Nayak, B and Singh, Ratnakar and Bhattacharyya, K K (2012) A Comparative Study on Processing of High Alumina Hematite Iron Ore by Gravity, Magnetic and Flotation Methods. In: International Mineral Processing Congress (IMPC - 2012), 24 - 28 September 2012, New Delhi, India.

Hore, S and Das, Suchandan K and Bhattacharyya, K K and Singh, Ratnakar (2011) Data-Based Performance Modelling of Hydrocyclone for Processing Iron Ore Fines. In: International Seminar on Mineral Processing Technology (MPT-2011), Oct 20, 2011, Udaipur, India.

Das, Suchandan K and Bhattacharyya, K K and Singh, Ratnakar (2011) Optimized Neural Network Model to Characterize the Effects of Process Parameters on the Separation Efficiency of Iron Ore by a High Intensity Magnetic Separator. In: XII International Conference on Mineral Processing Technology (MPT-2011), 20-22 October, 2011, Udaipur, India.

Mohanty, Sunati and Singh, Ratnakar and Bhattacharyya, P and Bhattacharyya, K K (2011) Processing of Fine Grained Iron Ore and Coal Samples Using Multi-Gravity Separator. In: Proceedings of the XII International Seminar on Mineral Processing Technology (MPT-2011), Oct 20-22, 2011, Udaipur, India.

Mohanta, M K and Rath, R K and Sharma, Mamta and Soreng, D R and Mohanty, Sunati and Singh, Ranjeet K and Singh, Ratnakar (2011) Characteristics of Iron Ore Slime from Kiriburu, India. In: International Conference on Mineral Processing Technology (MPT – 2011), 20-22 Oct 2011, Udiapur.

Bhattacharyya, P and Singh, Ratnakar (2011) Generation of Value Added Product by Beneficiation of Barite Waste. In: Conference Proceedings on XII Internation Conference on Mineral Processing Technology MPT-2011, October 20-22, 2011, Udaipur, India.

Rath, R K and Kar, A K and Mohanta, M K and Singh, Ratnakar and Kumar, Anil (2011) Surface Chemical and Settling Studies on Hematite, Quartz and Kaolinite in Presence of Organic Reagents. In: International Conference on Mineral Processing Technology (MPT – 2011), 20-22 Oct 2011, Udaipur.

Singh, Ratnakar and Rath, R K and Nayak, B and Bhattacharyya, K K (2011) Development of process for beneficiation of Low-grade iron ore samples from Orissa, India. In: International Conference on Mineral Processing Technology (MPT – 2011), 20-22 Oct 2011, Udiapur.

Pani, Santosh and Dey, Shobhana and Mohanta, M K and Singh, Ratnakar (2010) An approach for recovery of iron values from slimes. In: Proceedings of the XI International Seminar on Mineral Processing Technology (MPT-2010), Dec 2010, NML Jamshedpur, India.

Jyoti, Divya and Rath, R K and Mohanty, Sunati and Singh, Ratnakar and Bhattacharyya, K K (2010) Beneficiation of a finely disseminated low-grade iron ore by froth flotation. In: Proceedings of the XI International Seminar on Mineral Processing Technology (MPT-2010), Dec 2010, NML Jamshedpur, India.

Kar, A K and Rath, R K and Mohanta, M K and Singh, Ratnakar and Kumar, Anil (2010) Characterisation and surface chemical studies on ultrafine iron ore. In: Proceedings of the XI International Seminar on Mineral Processing Technology (MPT-2010), Dec 2010, NML Jamshedpur, India.

Das, Suchandan K and Kumari, Preeti and Bhattacharyya, K K and Singh, Ratnakar (2010) A mathematical model to characterize separation behavior of a spiral for processing iron ore using a mechanistic approach. In: Proceedings of the XI International Seminar on Mineral Processing Technology (MPT-2010), Dec 2010, NML Jamshedpur, India.

Das, Suchandan K and Kumari, Preeti and Bhattacharyya, K K and Singh, Ratnakar (2010) A multi-input multi-output artificial neural network model to predict the separation characteristics of iron ore by a magnetic separator. In: Proceedings of the XI International Seminar on Mineral Processing Technology (MPT-2010), Dec 2010, NML Jamshedpur, India.

Rath, R K and Mohanty, S and Mohanta, M K and Singh, Ratnakar and Bhattacharyya, K K (2010) Efficacy of enhanced gravity separator in processing indian iron ore slime. In: Proceedings of the XI International Seminar on Mineral Processing Technology (MPT-2010), Dec 2010, NML Jamshedpur, India.

Rath, R K and Mohanty, Sunati and Mohanta, M K and Singh, Ratnakar and Bhattacharyya, K K (2010) Enhanced gravity separator in processing Indian iron ore slime. In: Proceedings of the XI International Seminar on Mineral Processing Technology (MPT-2010), Dec 2010, NML Jamshedpur, India.

Rath, R K and Mohanty, Sunati and Singh, Ratnakar and Nayak, B and Bhattacharyya, K K (2010) Beneficiation response of a low grade iron ore from eastern India for the production of sinter and pellet feed. In: Proceedings of the XI International Seminar on Mineral Processing Technology (MPT-2010), Dec 2010, NML Jamshedpur, India.

Kumar, Shivesh and Rath, R K and Singh, Ratnakar and Kumar, Anil (2010) Separation of iron bearing minerals from slime by flotation. In: Proceedings of the XI International Seminar on Mineral Processing Technology (MPT-2010), Dec 2010, NML Jamshedpur, India.

Singh, Ratnakar and Rao, D S and Banerjee, B and Bhattacharyya, K K (2008) Development of Flotation Process for Enrichment of Ganesh-Himal Lead-zinc Sulphide Ore from Nepal. In: Proceedings of XXIV International Mineral Processing Congress, 24-28 SEPTEMBER 2008, BEIJING CHINA.

Singh, Ratnakar and Chandrashekhar, S and Rath, R K and Nayak, B and Bhattacharyya, K K (2008) Designing Process for Concentration of a Low Grade Copper Ore. In: International Seminar on Mineral Processing Technology (MPT-2008) , April 22-24, 2008, Trivandrum,INDIA.

Das, Avimanyu and Singh , Ratnakar and Sahu, K K and Abhilash, and Goswami, N G (2008) Agglomeration. In: Training Course on Mineral Processing and Nonferrous Extractive Metallurgy, June 30 - July 5, 2008, Jamshedepur.

Das, Avimanyu and Singh, Ratnakar and Sahu, K K and Abhilash, and Goswami, N G (2008) Classification. In: Training Course on Mineral Processing and Nonferrous Extractive Metallurgy, June 30 - July 5, 2008, NML, Jamshedpur.

Das, Avimanyu and Singh, Ratnakar and Sahu, K K and Abhilash, and Goswami, N G (2008) Comminution. In: Training Course on Mineral Processing and Nonferrous Extractive Metallurgy, June 30 - July 5, 2008, NML, Jamshedpur.

Das, Avimanyu and Singh, Ratnakar and Sahu, K K and Abhilash, and Goswami, N G (2008) De-Watering. In: Training Course on Mineral Processing and Nonferrous Extractive Metallurgy, June 30 - July 5, 2008, NML, Jamshedpur.

Das, Avimanyu and Singh, Ratnakar and Sahu, K K and Abhilash, and Goswami, N G (2008) Electrostatic Seperation. In: Training Course on Mineral Processing and Nonferrous Extractive Metallurgy, June 30 - July 5, 2008, NML, Jamshedpur.

Das, Avimanyu and Singh, Ratnakar and Sahu, K K and Abhilash, and Goswami, N G (2008) Froth Flotation. In: Training Course on Mineral Processing and Nonferrous Extractive Metallurgy, June 30 - July 5, 2008, NML, Jamshedpur.

Das, Avimanyu and Singh, Ratnakar and Sahu, K K and Abhilash, and Goswami, N G (2008) Gravity Concentration. In: Training Course on Mineral Processing and Nonferrous Extractive Metallurgy, June 30 - July 5, 2008, NML, Jamshedpur.

Das, Avimanyu and Singh, Ratnakar and Sahu, K K and Abhilash, and Goswami, N G (2008) Importance of Mineralogy in Mineral Processing. In: Training Course on Mineral Processing and Nonferrous Extractive Metallurgy, June 30 - July 5, 2008, Jamshedpur.

Das, Avimanyu and Singh, Ratnakar and Sahu, K K and Abhilash, and Goswami, N G (2008) Magnetic Separation. In: Training Course on Mineral Processing and Nonferrous Extractive Metallurgy, June 30 - July 5, 2008, NML, Jamshedpur.

Das, Avimanyu and Singh, Ratnakar and Sahu, K K and Abhilash, and Goswami, N G (2008) Material Balance, Plant Evaluation and Modeling. In: Training Course on Mineral Processing and Nonferrous Extractive Metallurgy, June 30 - July 5, 2008, Jamshedepur.

Das, Avimanyu and Singh, Ratnakar and Sahu, K K and Abhilash, and Goswami, N G (2008) Principles of Extractive Metallurgy. In: Training Course on Mineral Processing and Nonferrous Extractive Metallurgy, June 30 - July 5, 2008, Jamshedepur.

Das, Suchandan K and Godiwalla, K M and Panda, Lopamudra and Bhattacharyya, K K and Singh, Ratnakar and Mehrotra, S P (2007) Mathematical modelling of bagnold effect and separation behavior of a coal-washing spiral using a mechanistic approach. In: Advanced Gravity Separation, Aug 30 - Sept 1, 2007, NML Jamshedpur.

Hore, S and Das, Suchandan K and Godiwalla, K M and Bhattacharyya, K K and Singh, Ratnakar (2007) Modelling performance of water-only cyclone as a gravity separator for fine coal cleaning. In: Advanced Gravity Separation, Aug 30 - Sept 1, 2007, NML Jamshedpur.

Rath, R K and Dey, Shobhana and Mohanta, M K and Singh, Ratnakar and Kumar, Vinod and Bhattacharyya, K K (2007) Processing of low grade iron ore from Singhbhum-north Orissa craton using gravity concentration techniques. In: Advanced Gravity Separation, Aug 30 - Sept 1, 2007, NML Jamshedpur.

Kumar, Vinod and Jadhav, G N and Khosla, N K and Chattoraj, U S and Singh, Ratnakar and Bhagat, R P and Nayak, B and Mohanta, M K and Bhattacharyya, K K and Mehrotra, S P (2007) Characterization and its implication on beneficiation of low grade iron ore by gravity separation. In: Advanced Gravity Separation, Aug 30 - Sept 1, 2007, NML Jamshedpur.

Singh, Ratnakar and Maulik, S C and Rath, R K and Dey, Shobhana and Das, Avimanyu and Nayak , B and Bhattacharyya, K K (2007) Designing Process for Beneficiation of Low Grade Iron Ore Samples from Orissa. In: International Conference on Mineral Processing Technology (MPT – 2007), 2007.

Vidyadhar, A and Singh, Ratnakar (2007) Froth Flotation and its Application to Concentration of Low Grade Iron Ores. In: Processing of Iron Ore, Nov. 28-Dec. 01, 2007, NML, Jamshedpur.

Rath, R K and Singh, Ratnakar (2007) Gravity Concentration of Iron Ore. In: Processing of Iron Ore, Nov. 28-Dec. 01, 2007, NML, Jamshedpur.

Singh, Ratnakar and Mehrotra, S P (2007) Iron Ore Resources and Beneficiation Practices. In: Processing of Iron Ore, Nov. 28-Dec. 01, 2007, NML, Jamshedpur.

Das, Suchandan K and Godiwalla, K M and Panda, Lopamudra and Bhattacharyya, K K and Singh, Ratnakar and Mehrotra, S P (2006) Mathematical modeling of separation behaviour of a spiral for washing high ash coal. In: International Symposium on Environment Friendly Technnology in Mineral Processing & Metal Extraction (AETMME-2006), 1-3 November, 2006, Bhubaneswar, India.

Das, Suchandan K and Godiwalla, K M and Panda, Lopamudra and Bhattacharya, K K and Singh, Ratnakar and Mehrotra, S P (2006) Mathematical Modelling of Seperation Behaviour of a Spiral for Washing high ash Coal. In: International Symposium on Environment Friendly Technology in Mineral Processing and Metal Extraction (AETMME -2006), Nov, 2006, AETMME -2006.

Singh, Ratnakar and Das, Avimanyu and Dey, Shobhana and Vidyadhar, A and Rath, R K and Bhattacharyya, K K (2006) Beneficiation of Indian Coking Coal Fines- An Alternate Circuit for Improved Performance. In: International Seminar on Mineral Processing Technology (MPT-2006), March 8-10, 2006, Chennai.

Singh, Ratnakar and Banerjee , B and Bhattacharyya, K K and Srivastava, J P (2006) Upgradation of Barite waste to Marketable Grade Concentrate. In: Proceeding of the XXIII International Mineral Processing Congress, 2006, IMPC.

Singh, Ratnakar and Sinha, S N (2005) Influence of Operating Variables on Flotation of High Ash Coking. In: International Seminar on Mineral Processing Technology(MPT-2005), January 6-8, 2005, Indian School of Mines, Dhanbad.

Bhattacharyya, K K and Singh, Ratnakar and Dey, Shobhana (2002) Coal Preparation - Recent Trends. In: Two-Day Programme for Small and Tiny Sector on Eco-friendly Technologies for better Environmental Management, January 30-31, 2002, CSIR-NML.

Singh, Ratnakar and Singh, P (2002) Studies on De-Ashing of Non-Coking Coal by Froth Flotation. In: Proceedings of the International Seminar on Mineral Processing Technology , MPT-2002, 3-5 January 2002; Vol.1 (2002 ) 243-249 ; Eds. S . Subramanian , K.A. Natarajan , B.S. Rao and T . R.R. Rao, MPT-2002.

Singh, Ratnakar and Sengupta, P L and Pathak, P N and Chattopadhyay, A and Maulik, S C (2001) Floatation Studies on Processing of a Low Grade Uranium Ore. In: International Conference on Challenges in Coal and Mineral Beneficiation, , NML, Jamshedpur.

Singh, Ratnakar (1998) Development of Flotation Reagents with Chelating Functional Groups. In: Workshop on Froth Flotation : Recent Trends, September 22-24,1998, RRL Bhubaneswar.

Project Reports

Satpathy, Sanjeeb Kumar and Singh, Ratnakar and Rath, R K (2012) Bond Work Index of a Low Grade Iron Ore & Flocculation and Filtration Studies on Its Concentrate & Reject. Training Report (TR). CSIR -NML, Jamshedpur. (Unpublished)

Dey, Shobhana and Mohanta, M K and Bhattacharyya, K K and Bhagat, R P and Rao, K V and Singh, Ratnakar and Das, Avimanyu and Mehta, K D and Alex, T C and Mohanty, Sunati and Singh, Ranjeet K (2011) Beneficiation and pelletisation of lateritic iron ore from Kahnwara, Katni. Sponsored (SSP). National Metallurgical Laboratory, Jamshedpur. (Submitted)