Items where Author is "Randhawa, N S"

Sahu, Nilimadhaba and Kapure, Gajanan and Kumar, Pankaj and Tripathy, S K and Biswas, A and Randhawa, N S and Paliwal, M (2024) Value Extraction from Ferrochrome Slag: A Thermochemical Equilibrium Calculation and Experimental Approach. Minerals, 14(11) .

Chandel, S S and Randhawa, N S and Singh, P K (2024) Enhancing Recycling Potential: Exploring Reduction and Metal Separation Behavior of Iron-Rich Slag in Electric Arc Furnace Smelting for a Sustainable Future. Journal of Sustainable Metallurgy, 10(3) . pp. 1528-1541.

Dipali, Ranjit and Prasad, R K and Sahu, S K and Randhawa, N S (2023) Design and Optimization Study of Metal Recovery from Scrap NdFeB Magnets Using Response Surface Methodology. Industrial & Engineering Chemistry Research, 62(30) . pp. 11948-11956.

Nath, S K and Randhawa, N S and Kumar, Sanjay (2021) A review on characteristics of silico-manganese slag and its utilization into construction materials. Resources, Conservation and Recycling, 176 .

Prasad, Sanjay and Kumar, Manoj and Randhawa, N S (2021) Processing of Chromite Overburden by Soda Roasting to Recover Chromium as Sodium Chromate. Transactions of the Indian Institute of Metals, online .

Kumari, Aarti and Dipali, Jha and Randhawa, N S and Sahu, S K (2021) Electrochemical treatment of spent NdFeB magnet in organic acid for recovery of rare earths and other metal values. Journal of Cleaner Production, 309 (7.246).

Kumari, Aarti and Raj, R and Randhawa, N S and Sahu, S K (2021) Energy efficient process for recovery of rare earths from spent NdFeB magnet by chlorination roasting and water leaching. Hydrometallurgy, 201 .

Katiyar, P K and Randhawa, N S (2020) A comprehensive review on recycling methods for cemented tungsten carbide scraps highlighting the electrochemical techniques. International Journal of Refractory Metals and Hard Materials, 90 (IF-2.794). p. 105251.

Priya, Jayati and Randhawa, N S and Hait, Jhumki and Bordoloi, N and Patel, J N (2020) High purity copper recycled from smelter dust by sulfation roasting, water leaching and electrorefining. Environmental Chemistry Letters (IF-5.922). pp. 1-7.

Randhawa, N S and Minj, R K (2020) An improved process for the production of low carbon ferromanganese. Transaction of Indian Institute of Metals (IF-1.205). pp. 1-7.

Priya, Jayati and Randhawa, N S and Hait, Jhumki (2020) Thermochemical Simulation, Thermogravimetry and Roasting Studies for Selective Sulfation of Copper in Flash Smelter Dust. In: 22nd DAE-BRNS Sysmposium on Thermal Analysis (Thermans2020), 30 Jan-01 Feb 2020, BARC (Mumbai).

Randhawa, N S and Kumari, Aarti and Sahu, S K (2020) Chloridizing Roasting of Spent NdFeB Magnet Using Ammonium Chloride. In: 22nd DAE-BRNS Symposium on Thermal Analysis (Thermans 2020), 30 Jan-01 Feb 2020, BARC (Mumbai).

Mishra, Praveen and Kumari, Aarti and Jha, Dipali and Randhawa, N S and Sahu, S K (2020) Extraction of rare earths from waste SmCo magnet. In: National Conference on Advancement in Material Processing Technology, October 31 to November 02, 2020, Jamshedpur.

Randhawa, N S and Katiyar, P K (2020) Potentiodynamic Polarization Behavior and Microscopic Examination of Tungsten Carbide Hard Metal Materials in Supported Ammoniacal Medium. Portugaliae Electrochimica Acta, 38(3) . pp. 185-200.

Katiyar, P K and Randhawa, N S (2019) Corrosion behavior of WC-Co tool bits in simulated (concrete, soil, and mine) solutions with and without chloride additions. International Journal of Refractory Metals and Hard Materials, 85 . p. 105062.

Sahu, Nilimadhaba and Biswas, A and Kapure, Gajanan and Randhawa, N S (2019) Thermochemical analysis of smelting of ferruginous manganese ore for silicomanganese production. Calphad, 66 (IF-2.652). p. 101637.

Priya, Jayati and Randhawa, N S and Patel, J N and Jha, Soni and Hait, Jhumki (2019) Studies on the recovery of copper from the dust generated in copper smelter. In: 23rd International Conference on Nonferrous Minerals and Metals, 12-13 July 2019, Kolkata, India.

Randhawa, N S and Prasad, Sanjay (2019) Direct Carbothermic Reduction of Weathered Ilmenite for Efficient Removal of Iron by Leaching. Metallurgical and Materials Transactions B, 50(3) . pp. 1277-1289.

Prasad, Sanjay and Maity, S K and Kumari, Aarti and Randhawa, N S and Shekher, M C (2019) Preparation of zinc powder from zinc dross. Journal of Metallurgy and Materials Science, 61(3) . pp. 119-123.

Dwivedi, Deepak and Randhawa, N S and Saroj, Sanjay and Jana, Ranjeet Kumar (2017) An Overview of Manganese Recovery by Hydro and Pyro-Metallurgical Routes. Journal of The Institution of Engineers (India): Series D, 98(1) . pp. 147-154.

Randhawa, N S and Prasad, Sanjay and Kumar, Manoj (2017) Role of flux on the upgradation of llmenite by reduction roasting process. Indian Institute of mineral Engineers .

Randhawa, N S and Hait, Jhumki and Jana, R K (2016) A brief overview on manganese nodules processing signifying the detail in the Indian context highlighting the international scenario. Hydrometallurgy, 165 (IF- 2.605). pp. 166-181.

Randhawa, N S and Sau, D C and Kumar, Manoj (2016) Direct electrolytic refining of end-of-life industrial copper waste scraps for production of high purity copper powder. Russian journal of non-ferrous metals, 57(4) (IF-0.204). pp. 367-373.

Randhawa, N S and Kumar, Manoj and Kumar, Hemant and Prasad, Sanjay (2016) Enhancing titania value of a weathered ilmenite by reduction roasting - acid leaching. National coference on non-ferrous minerals & materials- 2016 . pp. 30-34.

Dasgupta, A and Randhawa, N S and Chandrashekhar, S and Goyal, RP (2016) Filtration studies for separation of solid particles from slurry generated in hydrometallurgical processing of ores and concentrates. Journal of Metallurgy and Materials Science, 58(2) (IF-0.04). pp. 69-79.

Randhawa, N S and Gharami, Kalpataru and Kumar, Manoj (2016) Leaching kinetics of spent nickel-cadmium battery in sulphuric acid. Hydrometallurgy, 165 (IF- 2.605). pp. 191-198.

Kumar, K and Randhawa, N S and Gharami, Kalpataru and Sau, D C and Kumar, Manoj (2016) Studies on dissolution kinetics of dolime in electrothermal magnesium slag. Russian Journal of non-ferrous metals, 57(4) (IF-0.238). pp. 287-295.

Gharami, Kalpataru and Patra, H R and Kumar, Manoj and Randhawa, N S (2016) Thermodynamic consideration and phase evolution during oxidation of tungsten-copper electrical contactor scraps. Russian Journal Of Non-Ferrous Metals, 57(4) (IF-0.238). pp. 361-366.

Randhawa, N S and Dwivedi, D and Prajapati, S and Jana, R K (2015) Application of manganese nodules leaching residue for adsorption of nickel(II) ions from aqueous solution. International Journal of Environmental Science and Technology, 12(3) (IF-1.794). pp. 857-864.

Randhawa, N S and Murmu, Nisha and Tudu, Shakuntala and Sau, D C (2014) Iron oxide waste to clean arsenic-contaminated water. Environmental Chemistry Letters, 12(4) (IF-1.906). pp. 517-522.

Randhawa, N S and Jana, R K (2014) Efficient removal of aqueous lead by leached sea nodules residue. Desalination and Water Treatment (IF-0.987). pp. 1-11.

Katiyar, P K and Randhawa, N S and Hait, Jhumki and Jana, R K and Singh, K K and Mankhand, T R (2014) An overview on different processes for recovery of valuable metals from tungsten carbide scrap. In: International Conference on Nonferrous Minerals and Metals (ICNFMM), July 2014, Nagpur.

Randhawa, N S and Yelne, Payal M and Gharami, Kalpataru and Sau, D C and Kumar, Manoj (2014) Recovery of metals from spent nickel-cadmium (Ni-Cd) battery by leaching-electrowining process. In: 18th Int. Conf. on non-ferrous Met. 2014, 11-12 July 2014, Nagpur (India).

Katiyar, P K and Randhawa, N S and Hait, Jhumki and Jana, R K and Singh, K K and Mankhand, T R (2014) Anodic Dissolution Behaviour of Tungsten Carbide Scraps in Ammoniacal Media. Advanced Material Research, 828 (IF-). pp. 11-20.

Randhawa, N S and Dwivedi, A D and Prajapati, S and Jana, R K (2014) Utilisation of sea nodules leaching residue for adsorption of Ni(II) ions. In: National Seminar on Exploitation of Lean Grade Ore, Ore Fines and Urban Ores: Challenges, Problem and Solutions (LGO-2013), 22-23 January, 2013, CSIR-NML, Jamshedpur.

Randhawa, N S and Sau, D C (2014) Iron oxide waste to clean arsenic-contaminated water. In: National Metallurgist Day-Annual Technical Meeting (NMD-ATM), 12-15 November 2014, College of Engineering, Pune (COEP).

Randhawa, N S and Dwivedi, D and Prajapati, S and Jana, R K (2013) Application of manganese nodules leaching residue for adsorption of nickel(II) ions from aqueous solution. International Journal of Environmental Science and Technology, Online (IF-1.80). pp. 1-7.

Randhawa, N S and Das, N N and Jana, R K (2013) Cadmium removal using waste residue generated after recovery of base metals from manganese nodules. Indian Journal of Chemical Technology (0.61). pp. 371-379.

Randhawa, N S and Das, N N and Jana, R K (2013) Adsorptive remediation of Cu(II) and Cd(II) contaminated water using manganese nodule leaching residue. Desalination and Water Treatment, Online (IF-0.825). pp. 1-15.

Randhawa, N S and Katiyar, P K and Hait, Jhumki and Jana, R K and Singh, K K and Mankhand, T R (2013) Anodic dissolution behaviour of tungsten carbide scraps in ammoniacal media. In: 17th Int. Conf. on non-ferrous Met. 2013, 5-6 July 2013, Ranchi (India).

Randhawa, N S and Jana, R K (2013) Different applications of waste generated in reduction roasting – ammonia leaching of manganese nodules. In: National Metallurgist Day-Annual Technical Meeting (NMD-ATM) 2013, 12-15 November 2013, IIT-BHU, Varanasi.

Randhawa, N S and Jana, R K (2013) Lead sorption by sea nodule residue generated in reduction roasting – ammonia leaching. In: Mineral Processing Technology- 2013, 10-12 December 2013, Bhubaneshwar.

Randhawa, N S and Dwivedi, Deepak and Prajapati, Sonu and Jana, R K (2013) Utilisation of sea nodules leaching residue for adsorption of Ni(II) ions. Proceedings of 26th National Convention of Metallurgical and Materials Engineers & National Seminar (Non-SCI). pp. 186-196.

Randhawa, N S and Jana, R K and Das, N N (2012) Manganese Nodules Residue: Potential Raw Material for FeSiMn Production. International Journal of Metallurgical Engineering, 1(2) . pp. 22-27.

Randhawa, N S and Jana, R K and Das, N N (2012) Thermodynamics and Viscosity aspects in Manganese Nodule Residue Smelting for Silicomanganese Production. In: 16th International Conference on Non-Ferrous Metals - 2012, July 13-14, 2012, Hotel Le Meridien, New Delhi.

Satapathy, P K and Randhawa, N S and Das, N N (2012) Oxidative decolorization of methylene blue by leached sea-nodule residues generated by the reduction-roasting ammoniacal leaching process. Environmental Technology, 33 (5). pp. 515-522.

Randhawa, N S and Das, N N and Jana, R K (2012) Selenite adsorption using leached residues generated by reduction roasting–ammonia leaching of manganese nodules. Journal of Hazardous Materials, 241-242 (4.173). pp. 486-492.

Randhawa, N S and Jana, R K and Das, N N (2012) Silicomanganese production utilising low grade manganese nodules leaching residue. Mineral Processing and Extractive Metallurgy (Trans. IMM C) (0.667). pp. 1-9.

Randhawa, N S and Jana, R K and Das, N N (2012) Sorption characteristics of aqueous copper onto residue generated in ammoniacal leaching of manganese nodules. In: Inter. Symp. on Advances in Environment Friendly Technology in Mineral Processing and Metal Extraction (AETMME-2012), 18-20 Jan, 2012, Bhubaneswar.

Randhawa, N S and Jana, R K and Das, N N (2012) Thermodynamics and Viscosity Aspects in Manganese Nodule Residue Smelting for Silicomanganese Production. International journal of Metallurgical Engineering, 1(5) . pp. 88-95.

Satapathy, P K and Randhawa, N S and Das, N N (2011) Oxidative decolorization of methylene blue by leached sea-nodule residues generated by the reductionroasting ammoniacal leaching process. Environmental Technology . pp. 1-8.

Randhawa, N S and Jana, R K and Das, N N (2011) Removal of Cd(II) Ions from Aqueous Solution by Adsorption Using Manganese Nodules Leaching Residue. In: International Conference on Mineral Processing Technology (MPT – 2011), 20-22 Oct 2011, Udiapur.

Randhawa, N S and Jana, R K and Das, N N (2011) Manganese Nodules Residue: Potential Raw Material for Fesimn Production. In: 15th International Conference on Non-ferrous Metals 2011, 8-9 July 2011, Kolkata, India.

Randhawa, N S and Mishra, D and Jana, R K (2011) Smelting of leached sea nodule residue blended with manganese ore for revovery of manganese. The Banaras Metallurgist, 16 . pp. 117-121.

Randhawa, N S and Mishra, D and Smita, K and Konar, J and Jana, R K (2010) Silicomanganese production from manganese nodules leach residue by blending with manganese ore. In: Proceedings of the XI International Seminar on Mineral Processing Technology (MPT-2010), Dec 2010, NML Jamshedpur, India.

Behera, R K and Satapathy, P K and Randhawa, N S and Das, N N (2010) Adsorptive Removal of Phosphate Ions Using Leached Sea Nodule Residue Generated by the Reduction–Roasting Ammoniacal Leaching Process. Adsorption Science & Technology, 28 (7). pp. 611-627.

Randhawa, N S and Mishra, D and Jana, R K (2010) Smelting of leached sea nodule residue blended with manganese ore for recovery of manganese. In: 14th Int. Conf. on non-ferrous Min. & Met. 2010, 9-10 July, 2010, Varanasi.

Randhawa, N S and Das, N N and Jana, R K (2010) Sorption of cadmium ions from aqueous solution by manganese nodules leached residue. In: National Metallurgist Day-Annual Technical Meeting (NMD-ATM) 2010, 13-15 November 2010, IISc Bangalore.

Jana, R K and Randhawa, N S (2009) Production of Silicomanganese Alloy from Low Manganese Containing Leached Sea Nodules Residue. In: The Eighth (2009) ISOPE Ocean Mining Symposium, September 20-24, 2009, Chennai, India.

Randhawa, N S and Agarwal, Sanjay and Sahu, K K and Jana, R K (2009) Recovery of copper, nickel and cobalt from manganese nodules by Arc furnace smelting. In: International conference of Non-ferrous metals 2009, July 10-11, 2009, Bhubaneswar.

Jana, R K and Randhawa, N S and Agarwal, Sanjay (2008) Making standard grade FeSiMn alloy by blending of different low grade materials. In: National Metallurgist Day - Annual Technical Meeting (NMD-ATM), 12-15 November 2008, New Delhi.

Jana, R K and Randhawa, N S and Agarwal, Sanjay and Maity, S K and Ghorai, S (2008) Two stage smelting process for recovery of manganese from low manganese bearing material. In: 12th Int. Sem. Nonferrous Metals – 2008, 4-5 July, 2008, Nagpur.

Randhawa, N S and Jana, R K and Agarwal, Sanjay and Ghorai, S and Maity, S K and Pal, J (2007) Production of Fe-Si-Mn from leached sea nodule residue. In: Inter. Sem. on Mineral Processing Technology, 2007, 22-24 Feb, 2007, IIT Mumbai.

Jana, R K and Randhawa, N S and Pal, J and Minj, R K and Godiwalla, K M (2005) Recovery of manganese as ferro-silico-manganese alloy from leached sea nodule residue. In: National Seminar on Polymetallic Nodule, 29-30th September 2005, Bhubaneswar.