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

Now showing items 2631-2640 of 3793

Synthesis of active goethite and maghemite from scrap iron sources

Nayak, R.; Rao, J.R. (Journal Of Scientific & Industrial Research, 64(1), 2005: 35-40)

Investigations have been carried out on the oxidative hydrolysis of iron(II) chloride using Na2CO3 or NaOH. The products were subjected to hydrothermal agitation before being filtered and dried at 110degreesC. The samples ...
Studies on structural properties, surface acidity and benzene isopropylation activity of sulphated ZrO2-TiO2 mixed oxide catalysts

Das, D.; Mishra, H.K.; Pradhan, N.C.; Dalai, A.K.; Parida, K.M. (Microporous And Mesoporous Materials, 80(1-3), 2005: 327-336)

A series of sulphated ZrO2-TiO2 mixed oxide with different nominal sulphate loadings in the range of 2-15 wt.% was prepared and characterized for their structural properties, surface acidity and benzene isopropylation ...
Amine-modified titania-silica mixed oxides: 1. Effect of amine concentration and activation temperature towards epoxidation of cyclohexene

Samantaray, S.K.; Parida, K. (Catalysis Communications, 6(9), 2005: 578-581)

Titania-silica mixed oxides with covalently bound 3-aminopropyl groups were prepared by keeping the amount of tetrabutylorthotitanate as fixed and varying the 3-aminopropyltriethoxy silane and tetraethylortho silicate ...
Morpho-chemistry of hematite in manganese-rich formation of Gangpur Group, Orissa

Nayak, Bibhuranjan; Mohapatra, B.K. (Journal Of The Geological Society Of India, 66(4), 2005: 486-490)

The Precambrian manganese-rich formation (Goriajhar Formation) Gangpur Group contains appreciable Fe, as reflected from the occurrence of hematite in different paragenesis. The first generation of hematite (Hm(1)) exhibits ...
Importance of petrographic study of non-coking coals from Talcher coal field, Orissa in coal utilisation

Misra, S.K.; Mohanty, J.K. (Journal Of The Geological Society Of India, 66(4), 2005: 475-485)

Talcher coal is non-coking and high ash type and presently used for thermal power generation, sponge iron making, cement and chemical industry. Coal beneficiation is being carried out by size reduction followed by washing ...
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 ...

Now showing items 2631-2640 of 3793

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