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

Now showing items 2861-2870 of 3793

Transfer of nickel from sodium sulphate solutions to the spent electrolyte through solvent extraction and stripping

Reddy, B.R.; Sarma, P.V.R.B. (Hydrometallurgy, 60(2), 2001: 123-128)

Studies on the separation of nickel from concentrated solutions containing sodium sulphate were carried out with di(2-ethylhexyl) phosphoric acid diluted with kerosene (mostly aliphatic). Increase in extractant concentration, ...
Ionic mass transfer at a vibrating electrode support in an electrowinning cell

Ravi, P.; Ravan, N.; Krishna, P.G.; Venkateswarlu, P. (Hydrometallurgy, 60(1), 2001: 69-79)

Limiting current data were measured on an electrode support vibrating horizontally in an electrowinning cell. Four copper strip electrodes were fixed flush with the surface of the electrode support and limiting current ...
Study on the various factors affecting the quality of precipitated non-metallurgical alumina trihydrate particles

Pradhan, J.K.; Gochhayat, P.K.; Bhattacharya, I.N.; Das, S.C. (Hydrometallurgy, 60(2), 2001: 143-153)

Processes for production of superfine white alumina trihydroxide (ATH) powders from actual plant Bayer liquor have been developed for use in non-metallurgical applications. The specialty grade hydroxides suitable for ...
Mossbauer studies of cation distribution in natural chromites from Boula-Nausahi igneous complex, Keonjhar district, Orissa, India

Verma, H.C.; Mohanty, J.K.; Tripathi, R.P. (Journal Of Alloys And Compounds, 326(1-2), 2001: 132-136)

Mossbauer spectroscopic studies of the natural chromites obtained from four iron ore bands in the Boula-Nausahi igneous complex are presented. The results are quite different from those obtained for the. natural chromites ...
Influence of perchloric acid on the kinetics of immersion plating of copper onto aluminium

Kanungo, M.; Chakravarty, V.; Mishra, K.G.; Das, S.C. (Hydrometallurgy, 61(1), 2001: 1-11)

The effect of perchloric acid on the kinetics of immersion plating of copper onto aluminium from a bath containing complexing agent over a range of concentration of copper (0.382-2.55 g dm(-3)) and perchloric acid (0.255-0.590 ...
Adsorption of copper on manganese nodule residue obtained from NH3-SO2 leaching

Sahoo, R.N.; Das, S.C.; Reddy, B.R.; Rath, P.C.; Das, R.P. (Hydrometallurgy, 62(3), 2001: 185-192)

Manganese nodules occurring in beds of many of the world's oceans contain valuable metals such as Cu. Co, Ni, Mn, Zn, etc. in the form of oxides/oxy-hydroxides. Many processes have been developed worldwide to extract metal ...
Ionic mass transfer in presence of turbulence promoters in a circular conduit

Krishna, P.G.; Chakravarty, K.; Ramabrahmam, G.; Subbarao, D.; Venakateswarlu, P. (International Communications In Heat And Mass Transfer, 28(4), 2001: 499-508)

Ionic mass transfer in a circular conduit in the presence of ring promoter assembly is measured by limiting current technique using diffusion controlled electrochemical reactions (reduction of ferricyanide and oxidation ...
Leaching of manganese from low-grade manganese ore using oxalic acid as reductant in sulphuric acid solution

Sahoo, R.N.; Naik, P.K.; Das, S.C. (Hydrometallurgy, 62(3), 2001: 157-163)

Leaching studies of low-grade Joda manganese ore containing 24.7% Mn and 28.4% Fe were carried out at high temperature and atmospheric pressure using oxalic acid as reductant in sulphuric acid medium. The experiments were ...
Characterisation and removal of iron from fly ash of Talcher area, Orissa, India

Prakash, S.; Mohanty, J.K.; Das, B.; Venugopal, R. (Minerals Engineering, 14(1), 2001: 123-126)

Morphology, mineralogy and physico-chemical parameters of fly ash from Talcher area were studied Morphologically it consists of spherical particles of varying size. Major minerals are quartz, mullite, hematite and magnetite. ...
Effect of chromium(VI) on electrocrystallisation of cobalt from sulphate solution

Pradhan, N.; Dash, U.N.; Das, S.C. (Hydrometallurgy, 62(1), 2001: 1-10)

The effect of chromium(VI) on current efficiency, deposit quality, polarisation behaviour, crystallographic orientations and surface morphology during the electrocrystallisation of cobalt from sulphate solution has been ...

Now showing items 2861-2870 of 3793

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