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ORE at CSIR-Institute of Minerals and Materials Technology: Recent submissions

Now showing items 2891-2900 of 3793

Mixed solvent systems for the extraction and stripping of iron(III) from concentrated acid chloride solutions

Sahu, K.K.; Das, R.P. (Metallurgical And Materials Transactions B-Process Metallurgy And Materials Processing Science, 31(6), 2000: 1169-1174)

The extraction of concentrated iron(III) from acid chloride solutions has been investigated with methyl isobutyl ketone (MIBK), tri-n-butyl phosphate (TBP), di(2-ethylhexyl) phosphoric acid (D2EHPA), and their mixtures in ...
Galvanic interaction between chalcopyrite and manganese dioxide in sulfuric acid medium

Gantayat, B.P.; Rath, P.C.; Paramguru, R.K.; Rao, S.B. (Metallurgical And Materials Transactions B-Process Metallurgy And Materials Processing Science, 31(1), 2000: 55-61)

Dissolution of chalcopyrite and manganese dioxide minerals in the presence of each other in sulfuric acid medium was studied using compact disc electrodes of the minerals under various H(2)SO(4) concentrations (0.05 to 0.5 ...
Review of Biomass as a Source of energy for India

Singh, B.P.; Panigrahi, M.R.; Ray, H.S. (Energy Sources, 22(7), 2000: 649-658)

This article deals with a study on the prospect and perspective of bio-energy in India. The present bio-energy status in India has been compared with that elsewhere. A brief description of the research work carried out so ...
Production of pig iron and SG iron from iron ore fine by plasma smelting

Nayak, B.B.; Mohanty, B.C.; Paramguru, R.K. (Transactions Of The Indian Institute Of Metals, 53(6), 2000: 639-641)
Slag-graphite wettability and reaction kinetics Part 1 Kinetics and mechanism of molten FeO reduction reaction

Siddiqi, N.; Bhoi, B.; Paramguru, R.K.; Sahajwalla, V.; Ostrovski, O. (Ironmaking & Steelmaking, 27(5), 2000: 367-372)

The present paper reports results relating to the kinetics and mechanism of FeO reduction by graphite, the data being obtained from experimental investigations into the wettability of graphite by molten slag containing ...
Stripping studies of iron(III) extracted by D2EHPA, PC88A, and CYANEX 272 from chloride solutions using sulphuric and hydrochloric acids

Sandhibigraha, A.; Sarma, P.V.R.B.; Chakravortty, V. (Solvent Extraction Research And Development-Japan, 7, 2000: 93-105)

For a typical solution of iron(III), conditions for extraction from chloride solutions were established using D2EHPA, PC 88A and CYANEX 272 as extractants. Stripping of Fe(III) loaded on to D2EHPA, PC 88A and CYANEX 272 ...
Sulphurous acid as anodic depolarizer in copper electrowinning Part II

Subbaiah, T.; Singh, P.; Hefter, G.; Muir, D.; Das, R.P. (Journal Of Applied Electrochemistry, 30(2), 2000: 181-186)

The growing interest in the electrowinning of copper has lead to several modifications including anodic reactions proposed to reduce the high energy requirement. The addition of sulphurous acid to a copper sulphate electrolyte ...
DC extended arc plasma nitriding of stainless and high carbon steel

Sahu, A.; Nayak, B.B.; Panigrahi, N.; Acharya, B.S.; Mohanty, B.C. (Journal Of Materials Science, 35(1), 2000: 71-77)

Stainless steel (SS 302) and high carbon steel (HCS) substrates were nitrided in a pot type arc plasma furnace in the temperature range 1100-120 degrees C under different gas (Ar, N-2, H-2) mixture configurations for twenty ...
Slag-graphite wettability and reaction kinetics - Part 2 - Wettability influenced by reduction kinetics

Siddiqi, N.; Bhoi, B.; Paramguru, R.K.; Sahajwalla, V.; Ostrovski, O. (Ironmaking & Steelmaking, 27(6), 2000: 437-441)

The present paper reports results of experimental investigations into the wettability of graphite by molten slag containing FeO. The wettability was determined by measurement of the graphite-slag contact angle. A higher ...
Synthesis and characterisation of tetraphenylarsonium halochromates

Patnaik, U.; Muralidhar, J. (Journal Of Thermal Analysis And Calorimetry, 60(2), 2000: 497-504)

Tetraphenylarsonium halochromate (halo=fluoro, chloro and bromo) complexes are synthesised and characterised by spectral and thermal studies. The effect of ionic size and electronegativity of halide ions on the infrared ...

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