Search Results - "Kar, B.B"

Spent catalyst: secondary source for molybdenum recovery by Kar, B.B., Datta, P., Misra, V.N.

“…Molybdenum-containing catalysts are mostly used in petroleum-refining industries for mild hydrogenation processes. These catalytic processes generate huge…”
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Extraction of molybdenum from spent catalyst by salt-roasting by Kar, B.B., Murthy, B.V.R., Misra, V.N.

“…Spent hydro-refining catalysts mainly consists of 20–22% MoO 3, 5–6% NiO, 4–5% S, 1–2% Co 3O 4, 1.3–1.5% Fe 2O 3, 3–4% SiO 2, and the balance is Al 2O 3. In…”
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Carbothermic reduction of hydro-refining spent catalyst to extract molybdenum by Kar, B.B.

“…With the increase in environmental awareness, disposal of any form of hazardous waste has become a great threat to the industrial sector. During…”
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WITHDRAWN: Water absorptivity and its impact on various properties of the concrete materials by Sahoo, A.K., Kar, B.B.

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WITHDRAWN: Recovery of vanadium from red mud using microwave assisted leaching by Dash, H.N., Hota, S., Kar, B.B.

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WITHDRAWN: Removal of phosphorus from contaminated water sources using composite matrix fabricated from agro-based waste materials by Hota, S., Kar, B.B., Mishra, Manoranjan

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Physico-chemical characterization and sulphatization roasting of low-grade nickeliferous laterites by Swamy, Y.V, Kar, B.B, Mohanty, J.K

“…Low-grade nickeliferous laterites from the Sukinda region, Orissa, India, were characterized by microscopic investigations, using X-ray diffraction (XRD),…”
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Some aspects of nickel extraction from chromitiferous overburden by sulphatization roasting by Kar, B.B, Swamy, Y.V

“…Nickel bearing chromitiferous overburden of Sukinda region, Orissa, India, was pugged with sulphuric acid and subjected to roasting in two stages. Various…”
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Design of experiments to study the extraction of nickel from lateritic ore by sulphatization using sulphuric acid by Kar, B.B, Swamy, Y.V, Murthy, B.V.R

“…Experiments were designed to optimize the sulphatization of a mechanical mixture of chemically pure nickel and iron oxide and a lateritic ore using sulphuric…”
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