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Browsing by Author "Acharya, C."

Browsing by Author "Acharya, C."

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  • Bacterial removal of sulphur from three different coals 
    Acharya, C.; Kar, R.N.; Sukla, L.B. (Fuel, 80(15), 2001: 2207-2216)
    Three different types of coal were taken for microbial desulphurisation experiments using isolated cultures of Thiobacillus ferrooxidans. The samples were milled and then sieved. The effect of various parameters on microbial ...
  • Biological elimination of sulphur from high sulphur coal by Aspergillus-like fungi 
    Acharya, C.; Sukla, L.B.; Misra, V.N. (Fuel, 84(12-13), 2005: 1597-1600)
    An attempt was made to desulphurise the coal from North Eastern coalfields of Assam in India, characterized by high total concentration of sulphur (2.13%) and high concentration of organic sulphur (1.21%) by using the ...
  • Biological removal of sulfur using coal derived inocula 
    Acharya, C.; Sukla, L.B.; Misra, V.N. (Green Processing 2004, (2), 2004: 61-64)
    Microbial desulfurisation of coal has significant advantages over physicochemical desulfurisation processes since the former process selectively removes the inorganic sulfur compounds and heavy metals without significant ...
  • Enhanced photocatalytic activities of polypyrrole sensitized zinc ferrite/graphitic carbon nitride n-n heterojunction towards ciprofloxacin degradation, hydrogen evolution and antibacterial studies 
    Das, K.K.; Patnaik, S.; Mansingh, S.; Behera, A.; Mohanty, A.; Acharya, C.; Parida, K.M. (Journal of Colloid and Interface Science, 561, 2020: 551-567)
    Fusion of heterogeneous photocatalysts with conducting polymers has paid a rising stratagem in the field of photocatalysis owing to its biocompatibility and environment friendliness. In this work a series of polypyrrole ...
  • Leaching of Chromite overburden with various native bacterial strains 
    Acharya, C.; Kar, R.N.; Sukla, L.B. (World Journal Of Microbiology & Biotechnology, 14(5), 1998: 769-771)
    Four heterotrophic bacterial strains were isolated from soil and water samples from a chromite mine in Sukinda valley in Orissa. They were identified as Lactobacillus acidophilus, Staphylococcus lactis, Lactobacillus sp. ...
  • Microbial desulfurization of different coals 
    Acharya, C.; Kar, R.N.; Sukla, L.B. (Applied Biochemistry And Biotechnology, 118(1-3), 2004: 47-63)
    Coal is the most important nonrenewable energy source of fossil origin. It is also the most common fuel in thermal power plants. However, during coal incineration in power plants, high sulfur content of coal poses serious ...
  • 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 ...
  • Physicochemical and antimicrobial properties of sodium alginate/gelatin-based silver nanoformulations 
    Acharya, C.; Panda, C.R.; Bhaskara, P.K.; Sasmal, A.; Shekhar, S.; Sen, A.K. (Polymer Bulletin, 74(3), 2017: 689-706)
    In the present investigation, synthesis of silver nanoparticles (AgNPs) has been successfully carried out in a very simple and cost-effective manner by reducing Ag+ ions in sodium alginate solution and further stabilizing ...
  • Phytoplankton Population Dynamics in Relation to Environmental Variables at Paradip Port, East Coast of India 
    Banoo, S.; Acharya, C.; Behera, R.R.; Satapathy, D.R.; Panda, C.R. (Thalassas, 38(2), 2022: 1135-1153)
    Paradip port is one of the biggest and busiest harbors in eastern India. The cargo handling and material transport in the harbor release spillage materials into the marine environment, which causes pollution to the aquatic ...
  • Prediction of sulphur removal with Acidithiobacillus sp using artificial neural networks 
    Acharya, C.; Mohanty, Swati; Sukla, L.B.; Misra, V.N. (Ecological Modelling, 190(1-2), 2006: 223-230)
    Artificial neural network (ANN) model was used to predict the extent of sulphur removal from three types of coal using native cultures of Acidithiobacillus ferrooxidans. The type of coal, initial pH, pulp density, particle ...
  • Removal of sulfur from Assam coal by bacterial conditioning and froth flotation 
    Acharya, C.; Rao, G.V.; Twardoska, I.; Kar, R.N.; Sukla, L.B. (Journal Of Chemical Technology And Biotechnology, 74(10), 1999: 945-948)
    Reduction of sulfur by bacterial leaching from a high sulfur-bearing coal sample from Assam was attempted. Flotation of the sample with light diesel oil could not depress the pyrite and also the Thiobacillus ferrooxidans ...
  • Review biodepyritisation of coal 
    Acharya, C.; Sukla, L.B.; Misra, V.N. (Journal Of Chemical Technology And Biotechnology, 79(1), 2004: 1-12)
    This review provides a detailed summary of the recent and past research activities in the area of biodesulfurisation of coal. It provides information about microorganisms important for biodesulfurisation of coal, with the ...
  • Studies on reaction mechanism of bioleaching of manganese ore 
    Acharya, C.; Kar, R.N.; Sukla, L.B. (Minerals Engineering, 16(10), 2003: 1027-1030)
    A systematic study has been made to establish the reaction mechanism of bioleaching of manganese ore with the manganese reducing fungi, Penicillium citrinum, isolated from the top soil of an active manganese ore mine site. ...

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