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

Now showing items 1971-1980 of 3792

Extraction of Cu and Cr from a spent Cu-Cr catalyst: Recovery enhancement through mechanical activation

Swaroopa, S.; Ghosh, M.K.; Sanjay, K.; Mishra, B.K. (Hydrometallurgy, 136, 2013: 8-14)

Treatment process for a spent Cu-Cr catalyst (Cu 42.4% and 36.2% Cr) was described. The catalyst contained cuprous chromite (CuCrO2), cupric chromite (CuCr2O4) and copper sub-oxide (Cu8O) phases. High energy ball milling ...
A comparative study on extraction of Mo(VI) using both solvent extraction and hollow fiber membrane technique

Rout, P.C.; Sarangi, K. (Hydrometallurgy, 133, 2013: 149-155)

A comparative study between solvent extraction and hollow fiber membrane technique has been carried out for the extraction of Mo(VI) from an aqueous sulfate solution. Effect of different parameters such as pH of feed ...
Influence of alternative alkali reagents on Fe removal during recovery of Mn as Electrolytic Manganese Dioxide (EMD) from Mn sludge

Biswal, A.; Dash, B.; Tripathy, B.C.; Subbaiah, T.; Shin, S.M.; Sanjay, K.; Mishra, B.K. (Hydrometallurgy, 140, 2013: 151-162)

Flow sheet for recovery of Mn values from Mn sludge, a by-product obtained during processing of the Mn nodules through ammonia-ammonium sulphate-sulphur dioxide leaching process route as Electrolytic Manganese Dioxide (EMD) ...
Behaviour of arsenic(III) and antimony(III) during electrowinning of nickel from aqueous sulphate solutions

Samal, R.R.; Sarangi, C.K.; Tripathy, B.C.; Sanjay, K.; Bhattacharya, I.N.; Subbaiah, T. (Hydrometallurgy, 139, 2013: 39-45)

The effects of As(III) and Sb(III) over a concentration range of 0 to 1000 mg dm(-3) on the electrowinning of nickel from sulphate solutions have been studied. The cathodic current efficiency decreases whilst the energy ...
Carbon doped ZnO: Synthesis, characterization and interpretation

Mishra, D.K.; Mohapatra, J.; Sharma, M.K.; Chattarjee, R.; Singh, S.K.; Varma, S.; Behera, S.N.; Nayak, S.K.; Entel, P. (Journal Of Magnetism And Magnetic Materials, 329, 2013: 146-152)

A novel thermal plasma in-flight technique has been adopted to synthesize nanocrystalline ZnO and carbon doped nanocrystalline ZnO matrix. Transmission electron microscopy (TEM) studies on these samples show the average ...
Correlation between structural, electrical and magnetic properties of GdMnO3 bulk ceramics

Samantaray, S.; Mishra, D.K.; Pradhan, S.K.; Mishra, P.; Sekhar, B.R.; Behera, D.; Rout, P.P.; Das, S.K.; Sahu, D.R.; Roul, B.K. (Journal Of Magnetism And Magnetic Materials, 339, 2013: 168-174)

This paper reports the effect of sintering temperature on ferroelectric properties of GdMnO3 (GMO) bulk ceramics at room temperature prepared by the conventional solid state reaction route following slow step sintering ...
A 3-dimensional Eulerian-Eulerian CFD simulation of a hydrocyclone

Swain, S.; Mohanty, Swati (Applied Mathematical Modelling, 37(5), 2013: 2921-2932)

Hydrocyclones are used in mineral industries for classification and separation of solid particles of different sizes and densities suspended in water medium. In the present study an Eulerian-Eulerian CFD simulation of a ...
Analysis of friction mechanism and homogeneity of suspended load for high concentration fly ash & bottom ash mixture slurry using rheological and pipeline experimental data

Senapati, P.K.; Mishra, B.K.; Parida, A. (Powder Technology, 250, 2013: 154-163)

The particle-fluid and particle-particle interactions governing the flow of highly concentrated power plant ash slurries containing fine-grained and coarse-grained ash particles have been investigated. The friction mechanism ...
Microscopic and spectroscopic analyses of TiC powder synthesized by thermal plasma technique

Mohapatra, S.; Mishra, D.K.; Singh, S.K. (Powder Technology, 237, 2013: 41-45)

Nonoxide ceramics titanium carbide (TiC) has been prepared from ilmenite by using an extended arc plasma reactor under Ar atmosphere with an optimum time period of 20 min. The TiC product obtained after the acid treatment ...
Synthesis, phase to phase deposition and characterization of rutile nanocrystalline titanium dioxide (TiO2) thin films

Gupta, S.K.; Singh, J.; Anbalagan, K.; Kothari, P.; Bhatia, R.R.; Mishra, Pratima Kumari; Manjuladevi, V.; Gupta, R.K.; Akhtar, J. (Applied Surface Science, 264, 2013: 737-742)

In this work the preparation, deposition and structural properties of titanium oxide (TiO2) thin films were investigated. The films were deposited by means of the e-beam physical vapor deposition (EBPVD) method in high ...

Now showing items 1971-1980 of 3792

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