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

Now showing items 2671-2680 of 3828

Environmental quantification of heavy metals in the sediments of the Brahmani and Nandira rivers, Orissa

Rath, P.; Panda, U.C.; Bhatta, D.; Sahoo, B.N. (Journal Of The Geological Society Of India, 65(4), 2005: 487-492)

The degree of contamination of the sediments from Brahmani and Nandira rivers, Angul-Talcher industrial belt, Orissa is evaluated using Enrichment ratio (ER), Pollution load index (PLI) and Geo-accumulation index (Igeo) ...
Kinetics of thermal dehydration and decomposition of hydrated chlorides of some 3d transition metals (Mn-Cu series). Part-V. Dehydration and decomposition of CuCl2.2H(2)O

Kanungo, S.B. (Journal Of The Indian Chemical Society, 82(2), 2005: 108-110)

Unlike dehydration of the dihydrate chlorides of other metal ions of Mn-Cu series, CuCl2.2H(2)O dehydrates in one step without pre-melting. The anhydrous salt decomposes in air in three steps yielding CnO as final product. ...
A comparative study of the thermal dehydration characteristics of MCl2 center dot 2H(2)O (where M = Mn2+, Fe2+, Co2+, Ni2+ and Cu2+) under dynamic condition

Kanungo, S.B. (Journal Of The Indian Chemical Society, 82(11), 2005: 1000-1002)

A brief comparative study on the thermal dehydration behavior of the hydrated chlorides of some 3d transition metals (Mn-Cu series) under dynamic or rising temperature condition has been carried out based on the results ...
Modified TiO2-SiO2 mixed oxides 1. Effect of manganese concentration and activation temperature towards catalytic combustion of volatile organic compounds

Samantaray, S.K.; Parida, K. (Applied Catalysis B-Environmental, 57(2), 2005: 83-91)

Catalytic combustion of acetone, methanol and 2-propanol as model volatile organic compounds (VOCs) has been measured over manganese-modified, hydrophobic TiO2-SiO2 Mixed oxides in the temperature range 373-573 K. The ...
Petrology of Mn carbonate-silicate rocks from the Gangpur Group, India

Mohapatra, B.K.; Nayak, Bibhuranjan (Journal Of Asian Earth Sciences, 25(5), 2005: 773-780)

Metamorphosed Mn carbonate-silicate rocks with or without oxides (assemblage 1) and Mn silicate-oxide rocks with minor Mn carbonate (assemblage II) occur as conformable lenses within metapelites and metacherts of the ...
Photocatalytic reduction of hexavalent chromium in aqueous solution over sulphate modified titania

Mohapatra, P.; Samantaray, S.K.; Parida, K. (Journal Of Photochemistry And Photobiology A-Chemistry, 170(2), 2005: 189-194)

Samples of different crystal forms and sizes of unmodified and sulphate modified TiO2 were prepared by varying pH, source and concentration of sulphate ion and by activating at different temperatures. Samples prepared at ...
Bioleaching with ultrasound

Swamy, K.M.; Narayana, K.L.; Misra, V.N. (Ultrasonics Sonochemistry, 12(4), 2005: 301-306)

Application of bioleaching of metals in a large-scale operation is reviewed briefly. Continued technical innovation is vital for the wider utilisation of this extraction process within the mineral industries. Therefore, ...
Chemical composition of rainwater and dustfall at Bhubaneswar in the east coast of India

Das, R.; Das, S.N.; Misra, V.N. (Atmospheric Environment, 39(32), 2005: 5908-5916)

Chemical composition of rainwater and dustfall was studied in two different stations of Bhubaneswar, located in the east coast of India. A wet-only and a bulk collector were placed at Regional Research Laboratory (RRL), a ...
Photo-oxidation of phenol over titania pillared zirconium phosphate and titanium phosphate

Das, D.P.; Parida, K.; De, B.R. (Journal Of Molecular Catalysis A-Chemical, 240(1-2), 2005: 1-6)

The photodegradation of phenol was studied in the aqueous solutions over titania pillared zirconium phosphate and titanium phosphate under solar radiation and compared with that of the UV-radiation (6 W low pressure Hg ...
Effect of addition of Cu(II), Ni(II) and Co(II) ions on conversion of crystalline geothite to magnetite in NH3-FeSO4-H2O medium (vol 69, pg 75, 2003)

Mohapatra, M.; Anand, S.; Das, R.P.; Upadhyay, C.; Verma, H.C. (International Journal Of Mineral Processing, 75(1-2), 2005: 145-146)

Now showing items 2671-2680 of 3828

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