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

Now showing items 3171-3180 of 3828

Studies on the recovery of nickel and cobalt from copper depleted converter slag

Datta, P.; Satpathy, B.K.; Dey, D.N.; Jena, P.K. (Transactions Of The Indian Institute Of Metals, 50(2-3), 1997: 163-167)

Two different processes were investigated to recover nickel and cobalt values from a residual material generated after separation of most of copper from copper converter slag by segregation roasting. In the first approach, ...
A study of segregation roasting of copper concentrate using statistical design of experiments

Datta, P.; Ray, H.S.; Chakraborty, M. (Transactions Of The Indian Institute Of Metals, 50(4), 1997: 225-228)

Segregation roasting has been carried out on calcines produced from preroasted copper concentrate. Segregation roasting reactions are complex in nature and the efficiency of this process depends upon process parameters, ...
Effect of charge moistening on alkali roasting of chromium oxide

Tripathy, A.K.; Ray, H.S.; Pattnayak, P.K. (Transactions Of The Institution Of Mining And Metallurgy Section C-Mineral Processing And Extractive Metallurgy, 106, 1997: C47-C50)
Simple empirical equations for prediction of mill power draw

Sastri, S.R.S.; Rao, K.K. (Transactions Of The Institution Of Mining And Metallurgy Section C-Mineral Processing And Extractive Metallurgy, 106, 1997: C91-C94)
Kinetics and mechanism of electroless deposition of copper in a bath of low copper and high formaldehyde concentrations

Mishra, K.G.; Paramguru, R.K. (Transactions Of The Indian Institute Of Metals, 50(4), 1997: 241-247)

The present paper attempts to examine the kinetics and mechanism of electroless copper deposition process at low copper ion and high formaldehyde concentrations. Both potentiostatic as well as steady state two compartment ...
Studies on the precipitation of lanthanum and cobalt oxalates and its gravimetric applications

Rajagopalarao, J.; Das, N.N.; Nayak, R.; Parida, K.M.; Rao, S.B. (Journal Of The Indian Chemical Society, 74(3), 1997: 209-211)

Precipitation of lanthanum and cobalt as oxalates has been studied individually and in combination Individually lanthanum and cobalt oxalates exist as deca- and dihydrates respectively, but the combined oxalate is only a ...
Geothermometric and oxygen fugacity studies of Mayurbhanj basic igneous complex

Das, S.K.; Mukherji, S. (Journal Of The Geological Society Of India, 50(1), 1997: 31-39)

The basic igneous complex of Mayurbhanj is a differentiated suite composed of harzburgite, gabbronorite, leucogabbronorite and anorthosite. EPMA of the coexisting oxides in the rock samples reveal that magnetite-ilmenite ...
Kinetics of copper extraction by LIX-84

Halder, M.K.; Chaudhury, G.R.; Das, R.P. (Transactions Of The Indian Institute Of Metals, 50(4), 1997: 229-233)

The extraction kinetics of the Cu-LIX84 system was carried out in a Lewis type cell. The Cu extraction rate increased with increasing temperature, pH and initial metal ion concentration. The extraction rate also increased ...
Vernadite in Goriajhor manganese ores, Gangpur Group, India

Mohapatra, B.K.; Nayak, Bibhuranjan; Sahoo, R.K. (Journal Of The Geological Society Of India, 49(3), 1997: 331-336)

Characteristics of vernadite in manganese ores from Gangpur Group of rocks, Goriajhor Formation, Sundargarh district, Orissa, have been described. This terrestrial vernadite is distinguished from delta-MnO2 in marine ...
Transition metal pillared clay .3. A para selective catalyst for nitration of chlorobenzene

Mishra, T.; Parida, K.M. (Journal Of Molecular Catalysis A-Chemical, 121(1), 1997: 91-96)

Nitration of chlorobenzene has been studied at different temperatures using transition metal (Fe(III), Cr(III), Mn(III)) pillared clays as the catalysts. All the samples showed high para selectivity (up to 94%). The acid ...

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