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

Now showing items 2841-2850 of 3793

Effect of nitrogen and potassium on growth parameters and rhizomatic characters of mango-ginger (Curcuma amada)

Behura, S. (Indian Journal Of Biological Science, 46(4), 2001: 747-751)

A field experiment was conducted in 1996-97 and 1997-98 on a lateritic soil, to study the performance of mango-ginger (Curcuma amada Roxb.) at 4 levels of nitrogen (N-0, N-50, N-100 and N-150) and 3 levels of potassium ...
Leaching of sikkim zinc concentrate in bioreactor using Thiobacillus ferrooxidans

Pani, C.K.; Patnaik, L.; Kar, R.N.; Roychaudhury, G.; Sukla, L.B. (Transactions Of The Indian Institute Of Metals, 54(4), 2001: 145-148)

Bacterial leaching of Sikkim zinc concentrate, containing 35% of zinc, was carried out in a bioreactor using acidophilic microorganisms. During leaching aeration was done in order to activate the microorganisms. At 2% pulp ...
Influence of pH on bioleaching of copper and zinc from complex sulphide concentrate using Thiobacillus ferrooxidans

Patnaik, L.; Kar, R.N.; Sukla, L.B. (Transactions Of The Indian Institute Of Metals, 54(4), 2001: 139-144)

pH plays an important role on the growth of Thiobacillus ferrooxidans and on their ability to leach toxic heavy metals. Present work relates to the growth of T. ferrooxidans at different pH in the presence and absence of ...
Microbial extraction of manganese from low grade manganese ore

Acharya, C.; Kar, R.N.; Sukla, L.B. (Transactions Of The Indian Institute Of Metals, 54(3), 2001: 99-103)

A low grade manganese ore collected from Joda East Manganese mines of Orissa was subjected to leaching with an indigenous fungal culture, Penicillium citrinum, isolated from the top soil of the same mines. It was found ...
Separation of copper and zinc from sulphate solutions using hostarex DK-16 as extractant

Rao, K.S.; Chaudhury, G.R. (Transactions Of The Indian Institute Of Metals, 54(5), 2001: 231-234)
Effect of Mg2+, Li+, Na+ and K+ on the electrocrystallization of nickel from aqueous sulfate solutions containing boric acid

Tripathy, B.C.; Das, S.C.; Singh, P.; Hefter, G.T.; Muir, D.M. (Journal Of Applied Electrochemistry, 31(5), 2001: 573-577)

The effects of metal ions such as Mg2+, Li+, Na+ and K+ on the cathodic current efficiency, deposit morphology, crystallographic orientation and polarization behaviour during nickel deposition on stainless steel from aqueous ...
Effect of pyridine and its derivatives on the electrodeposition of nickel from aqueous sulfate solutions. Part II: Polarization behaviour

Mohanty, U.S.; Tripathy, B.C.; Singh, P.; Das, S.C. (Journal Of Applied Electrochemistry, 31(9), 2001: 969-972)

The electrochemical reactions occurring during electrodeposition of nickel from acidic sulfate solutions were examined by cyclic and linear sweep voltammetry techniques. The effect of pyridine, 2-picoline and 4-picoline ...
Effect of organic extractants on the electrocrystallization of nickel from aqueous sulphate solutions

Tripathy, B.C.; Singh, P.; Muir, D.M.; Das, S.C. (Journal Of Applied Electrochemistry, 31(3), 2001: 301-305)

The effect of the presence of commercial organic extractants LIX 84I, Cyanex 272, D2EHPA, Versatic 10 and TBP with or without Mg2+ on various electrodeposition parameters for nickel deposition on stainless steel cathode ...
India's demonstration metallurgical plant to treat ocean nodule

Das, R.P. (Proceedings Of The Fourth (2001) Isope Ocean Mining Symposium, 2001: 163-166)

India is currently establishing a 500 kg/d processing plant to treat ocean nodules. The plant is mainly based on the process developed by Regional Research Laboratory, Bhubaneswar, and Bhabha Atomic Research Centre, Mumbai. ...
SO42-/TiO2-SiO2 mixed oxide catalyst 2. Effect of the fluoride ion and calcination temperature on esterification of acetic acid

Samantaray, S.K.; Parida, K.M. (Applied Catalysis A-General, 211(2), 2001: 175-187)

A series of fluoride-modified SO42-/TiO2-SiO2 (4 wt.% SO42-) catalysts have been prepared by an incipient wetness impregnation technique and compared for their catalytic activity/selectivity in esterification of acetic ...

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