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Browsing by Author "Baba, A.A."

Browsing by Author "Baba, A.A."

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  • Aqueous processing of nickel spent catalyst for a value added product 
    Sheik, A.R.; Ghosh, M.K.; Sanjay, K.; Subbaiah, T.; Mishra, B.K.; Baba, A.A. (Korean Journal Of Chemical Engineering, 30(2), 2013: 400-404)
    Nickel was recovered from a fertilizer industry spent catalyst by leaching with nitric acid followed by nickel hydroxide precipitation. The optimization of temperature, initial acid concentration and particle size for ...
  • ASSESSMENT OF A NIGERIAN CHALCOPYRITE ORE DISSOLUTION IN SULFURIC ACID MEDIUM 
    Ayinla, K.I.; Baba, A.A.; Akanji, F.T.; Ambo, A.I.; Adekola, F.A. (Bulletin of the Chemical Society of Ethiopia, 36(1), 2022: 187-196)
    This paper presents a study of dissolution kinetics of a Nigerian chalcopyrite ore in sulfuric acid lixiviant. The effects of acid concentration, temperature and particle diameter on the dissolution rates of chalcopyrite ...
  • Bioleaching of Zn(II) and Pb(II) from Nigerian sphalerite and galena ores by mixed culture of acidophilic bacteria 
    Baba, A.A.; Adekola, F.A.; Atata, R.F.; Ahmed, R.N.; Panda, S. (Transactions Of Nonferrous Metals Society Of China, 21(11), 2011: 2535-2541)
    Zn(II) and Pb(II) from Nigerian sphalerite and galena ores were bioleached by a mixed culture of acidophilic bacteria. The influences of pH and ferric ion on the bioleaching rates of sphalerite and galena were examined. ...
  • Characterization and kinetic study on ammonia leaching of complex copper ore 
    Baba, A.A.; Ghosh, M.K.; Pradhan, S.R.; Rao, D.S.; Baral, A.; Adekola, F.A. (Transactions Of Nonferrous Metals Society Of China, 24(5), 2014: 1587-1595)
    Ammonia leaching kinetics of a complex Cu-ore assaying 8.8% Cu and 36.1% Fe was examined. Mineralogical characterization indicated that the major phase of the ore was siderite with chalcopyrite as the major sulfide mineral. ...
  • Dissolution Kinetics Potential of a Biotite-Rich Kaolinite Ore for Industrial Applications by Oxalic Acid Solution 
    Baba, A.A.; Raji, M.A.; Abdulkareem, A.Y.; Ghosh, M.K.; Bale, R.B.; Adeyemi, C.O. (Mining Metallurgy and Exploration, 36(6), 2019: 1091-1099)
    The increasing demand for pure aluminum and aluminum compounds of industrial quality from kaolinite ore cannot be overemphasized. Nigeria is one of the African countries endowed with abundant solid mineral resources that ...
  • Extraction and Purification of Copper from a Nigerian Chalcopyrite Ore Leach Liquor by Dithizone in Kerosene 
    Baba, A.A.; Ayinla, K.I.; Adekola, F.A.; Ghosh, M.K.; Rout, P.C.; Ambo, A.I. (Solvent Extraction Research And Development-Japan, 22, 2015: 135-146)
    The extraction and purification of copper by dithizone in kerosene from an aqueous chloride chalcopyrite leach liquor containing 934.44 mg/L Cu, 2326.73 mg/L Fe, 92.14 mg/L Mn, 0.65 mg/L Mg, 0.22 mg/L Ca, 0.076 mg/L Sn and ...
  • Extraction equilibrium conditions of beryllium and aluminium from a beryl ore for optimal industrial beryllium compound production 
    Baba, A.A.; Olaoluwa, D.T.; Balogun, A.F.; Ibrahim, A.S.; Olasinde, F.T.; Adekola, F.A.; Ghosh, M.K. (Canadian Metallurgical Quarterly, 58(2), 2019: 232-240)
    This study examines the extraction of beryllium and aluminium from a Nigerian beryl ore using Cyanex (R) 272 in kerosene from an aqueous sulphate pregnant solution. Parameters such as extractant concentration and equilibrium ...
  • Leaching and Preparation of Co-Mo Sulfide/Oxide Nanoparticles from Spent Catalyst 
    Mohapatra, M.; Sahu, S.; Barik, R.; Padhan, E.; Mukherjee, P.; Moharana, M.; Baba, A.A.; Sanjay, K. (JOM-Journal Of The Minerals Metals And Materials Society, 70(10), 2018: 2015-2021)
    Acid leaching of spent molybdenum (Mo) catalyst followed by a simple pH-selective precipitation route for recovery of Co-Mo sulfide/oxide complexes in high yield has been investigated. The effect of leaching parameters ...
  • Preparation of Industrial Manganese Compound from a Low-Grade Spessartine Ore by Hydrometallurgical Process 
    Baba, A.A.; Abdulkareem, A.Y.; Raji, M.A.; Ayinla, K.I.; Adekola, F.A.; Bale, R.B.; Ghosh, M.K. (Transactions Of The Indian Institute Of Metals, 71(10), 2018: 2453-2463)
    The increasing global demands for pure manganese in steel production and manganese compound as dietary additives, fertilizer, pigment, cells and fine chemicals production cannot be over-emphasized. Thus, continuous efforts ...
  • Quantitative reductive leaching of a low-grade spessartine ore in acidic media 
    Baba, A.A.; Abdulkareem, A.Y.; Raji, M.A.; Adebayo, S.A.; Alabi, A.G.F.; Ghosh, M.K.; Hariprasad, D.; Adeyemia, C.O. (International Journal of Environmental Analytical Chemistry, 100(6), 2020: 635-646)
    The increasing demands for pure manganese and its compounds as a viable material in steel and chemical industries have prompted continuous efforts to develop a low-cost and eco-friendly technique for spessartine ore ...

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