Search Results - "EGIEBOR, N. O"

Trace Elements In Water, Fish and Sediment from Tuskegee Lake, Southeastern Usa by Ikem, A, Egiebor, N O, Nyavor, K

“…The concentrations of trace elements in water, sediment and fish samples from Tuskegee Lake located in Southeastern United States were investigated in this…”
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Kinetic analysis of data obtained from studies on microbial degradation of cement waste forms, using shrinking core models by Idachaba, M.A, Nyavor, K, Egiebor, N.O

“…Model equations based on analytical solutions of two shrinking core models (acid dissolution or shrinking unreacted core (SUC) model, and bulk diffusion…”
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Development of test methods for assessing microbial influenced degradation of cement-solidified radioactive and industrial waste by Rogers, R.D, Knight, J.J, Cheeseman, C.R, Wolfram, J.H, Idachaba, M, Nyavor, K, Egiebor, N.O

“…This paper reports on the development of accelerated tests for evaluating microbial influenced degradation (MID) of cement-solidified wastes. An existing U.S…”
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The effect of ferric ion on the rate of ferrous oxidation by Thiobacillus ferrooxidans by NYAVOR, K, EGIEBOR, N. O, FEDORAK, P. M

“…In this study, the effect of ferric ion and cell concentrations on the oxidation of ferrous ion by T. ferrooxidans was investigated. Ferric ions competitively…”
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A refinement of the biofilm formation method for waste forms stability evaluation by Idachaba, M.A, Nyavor, K, Egiebor, N.O, Rogers, R.D

“…A refinement of the biofilm formation method for waste form stability evaluation was carried out in this study. Refinement of the biofilm formation method…”
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Development of a biofilm formation method for waste forms stability evaluation by Idachaba, M.A., Nyavor, K., Egiebor, N.O., Rogers, R.D.

“…The development of an accurate assessment protocol is critical for the prediction of long-term performance of waste disposal systems under field conditions. In…”
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Suppression of microbial pyrite oxidation by fatty acid amine treatment by Nyavor, K., Egiebor, N.O., Fedorak, P.M.

“…Numerous techniques have been investigated in the past for the treatment and control of acid mine drainage (AMD). While some of these techniques are directed…”
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Chemical quality of bottled waters from three cities in eastern Alabama by Ikem, Abua, Odueyungbo, Seyi, Egiebor, Nosa O., Nyavor, Kafui

“…Twenty-five brands of bottled waters consisting of both purified and spring types collected randomly from three Alabama cities, USA were assessed for their…”
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Stability evaluation of a cement based waste form to microbially induced degradation by Idachaba, M. A., Nyavor, K., Egiebor, N. O., Rogers, R. D.

“…In this study the current Nuclear Regulatory Commission (NRC) protocol is used to evaluate the stability of Tuskegee cement/cobalt chloride waste form in the…”
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Batch culture biodegradation of methylhydrazine contaminated NASA wastewater by Nwankwoala, A U, Egiebor, N O, Gilbert, C, Nyavor, K

“…The batch culture degradation of NASA wastewater containing mixtures of citric acid, methylhydrazine, and their reaction product was studied. The organic…”
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Petroleum coke utilization: effect of coagglomeration with novel silica-enhanced sulfur sorbents by Otaigbe, J. U, Egiebor, N. O

“…Novel silica-enhanced hydrated lime sulfur sorbents were prepared by pressure hydrating lime and silica mixtures at a Ca(OH) sub(2)/SiO sub(2) mole ratio of…”
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Athabasca petroleum coke utilization: coagglomeration with sulfur sorbents for control of sulfur dioxide emissions during combustion by Otaigbe, J. U, Egiebor, N. O

“…The high sulfur content (6-9 wt%) of Athabasca petroleum coke, produced as a byproduct in the fluid and delayed coking of Athabasca oil sands bitumen,…”
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Limitations of the NRC method of microbial stability evaluation of waste forms by Idachaba, M.A., Nyavor, K., Egiebor, N.O., Rogers, R.D.

“…In this study a critical examination of the current Nuclear Regulatory Commission (NRC) protocol for waste forms microbial stability evaluation is carried out…”
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Adsorption isotherm and kinetic studies of hexavalent chromium removal from aqueous solution onto bone char by Hyder, A.H.M.G., Begum, Shamim A., Egiebor, Nosa O.

“…The adsorption of hexavalent chromium [Cr(VI)] onto bone char was optimized as a function of pH, initial Cr(VI) concentration, and bone char dosage using…”
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Effects of composition and calcination temperature on morphology and structure of barium modified zirconia nanoparticles by Liu, Aiguo, Nyavor, Kafui, Li, Zhimin, Egiebor, Nosa O

“…Co-precipitation of zirconyl chloride and barium chloride followed by supercritical ethanol drying was used to synthesize the barium modified zirconia…”
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Microbial stability evaluation of cement-based waste forms at different waste to cement ratio by Idachaba, Michael A, Nyavor, Kafui, Egiebor, Nosa O

“…An evaluation of the effect of differences in chromium nitrate to cement ratio on the microbial stability of a chromium nitrate/cement waste form, as reflected…”
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Evaluation of microbial stability of simulated solid and liquid waste forms using a refined biofilm formation method by Idachaba, Michael A, Nyavor, Kafui, Egiebor, Nosa O

“…A refined biofilm formation method was used to evaluate the stability of a simulated liquid waste form containing a simulated liquid waste (salts) and cement…”
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Activated carbon production from synthetic crude coke by DiPanfilo, Robert, Egiebor, Nosa O.

“…A two-step pyrolysis and activation process was used to study the production of activated carbon from oil sands coke. Steam was employed as the activating…”
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Control of pyrite oxidation by phosphate coating by Nyavor, Kafui, Egiebor, Nosa O.

“…Several techniques are currently being investigated for the treatment and abatement of acid mine drainage (AMD). While some of these methods are directed…”
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The leaching of chromium from cement-based waste form via a predominantly biological mechanism by Idachaba, Michael A., Nyavor, Kafui, Egiebor, Nosa O.

“…An evaluation of the leaching of chromium from 100% cement waste forms was carried out in this study using a refined biofilm formation method. Approximately…”
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