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

Now showing items 3011-3020 of 3828

Coagulation and flocculation study of iron ore fines

Singh, B.P.; Besra, L.; Prasad, A.R. (Separation Science And Technology, 34(5), 1999: 743-753)

A comparative study of the flocculation and coagulation response of an iron ore fines suspension has been carried out, and the extent of flocculation has been assessed by measurement of electrophoretic mobility, supernatant ...
Preparation and characterization of nanosize Mn-Zn ferrite

Rath, C.; Sahu, K.K.; Anand, S.; Date, S.K.; Mishra, N.C.; Das, R.P. (Journal Of Magnetism And Magnetic Materials, 202(1), 1999: 77-84)

Synthesis of nanosize (9-12 nm) Mn0.65Zn0.35Fe2O4 particles from metal chloride solution through a hydrothermal precipitation route using aqueous ammonia, and their characterization by XRD, TEM and VSM are reported. Chloride ...
Catalytic combustion of volatile organic compounds on Indian Ocean manganese nodules

Parida, K.M.; Samal, A. (Applied Catalysis A-General, 182(2), 1999: 249-256)

Catalytic combustion of acetone, methanol and 2-propanol as model volatile organic compounds (VOCs) has been measured over several manganese nodules of Indian Ocean origin in the temperature range 180-280 degrees C. The ...
Ultrasonically assisted rapid solid-liquid separation of fine clean coal particles

Singh, B.P. (Minerals Engineering, 12(4), 1999: 437-443)

An investigation on the effects of sonic waves to improve the efficiency of fine coal dewatering in vacuum filtration has been carried out. The objective was to study the synergistic effect of vacuum filtration and sonication ...
Modeling of three-dimensional pressure fields in sonochemical reactors with an inhomogeneous density distribution of cavitation bubbles. Comparison of theoretical and experimental results

Dahnke, S.; Swamy, K.M.; Keil, F.J. (Ultrasonics Sonochemistry, 6(1-2), 1999: 31-41)

During the last 50 years extensive experimental investigation has been carried out on the chemical effects of ultrasound, but limited work has been reported on modeling. This paper presents a new model in which a numerical ...
Effect of perchlorate ion on the textural and catalytic activity of zirconia

Mishra, H.K.; Parida, K.M. (Applied Catalysis A-General, 184(2), 1999: 219-229)

Synthesis and physico-chemical characterization of hydrous zirconia gel were carried out. The perchlorate sorption properties of hydrous zirconia were found to be appreciable and a loading of about 9 wt% was possible in ...
A comparative study on the modeling of sound pressure field distributions in a sonoreactor with experimental investigation

Dahnke, S.; Swamy, K.M.; Keil, F.J. (Ultrasonics Sonochemistry, 6(4), 1999: 221-226)

In sonochemical reactors the effect of emerging cavitation bubbles has significant influence on the amplitude and structure of the developing sound field. Calculations show that the damping parameter and the phase velocity ...
Catalytic ketonisation of acetic acid over modified zirconia - 1. Effect of alkali-metal cations as promoter

Parida, K.; Mishra, H.K. (Journal Of Molecular Catalysis A-Chemical, 139(1), 1999: 73-80)

The catalytic ketonisation of acetic acid was studied over fifteen different metal-doped zirconia samples. Among all, the catalytic aspects of alkali-metal cation-promoted zirconia were extensively studied and found most ...
Mineralogy and geochemistry of profiles through lateritic nickel deposits at Kansa, Sukinda, Orissa

Das, S.K.; Sahoo, R.K.; Muralidhar, J.; Nayak, B.K. (Journal Of The Geological Society Of India, 53(6), 1999: 649-668)

In the Sukinda ultramafic belt of Orissa, significant deposits of nickeliferous laterite have formed by weathering of large chromiferous dunite-peridotite suite of rocks. Two typical laterite profiles obtained by drilling ...
A new temperature-thermal conductivity relationship for predicting saturated liquid thermal conductivity

Sastri, S.R.S.; Rao, K.K. (Chemical Engineering Journal, 74(3), 1999: 161-169)

A new temperature-thermal conductivity relationship similar to the Rackett equation for saturated liquid densities is proposed. The first-order group contribution values proposed earlier for predicting the thermal conductivity ...

Now showing items 3011-3020 of 3828

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