Browsing Faculty of Natural and Agricultural Sciences by Author "Bahadur, I."
Now showing items 1-18 of 18
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Anti-corrosive properties of 4-amino-3,5-bis(disubstituted)-1,2,4-triazole derivatives on mild steel corrosion in 2M H3PO4 solution: Experimental and theoretical studies
Belghiti, M.E.; Ebenso, E.E.; Bahadur, I. (Elsevier, 2016)The corrosion inhibitory effect of two 3,5-bis(disubstituted)-4-amino-1,2,4-triazole derivatives, namely 3,5-bis(4-tolyl)-4-amino-1,2,4-triazole (K1) and 3,5-bis(3,4-dimethoxyphenyl)-4-amino-1,2,4-triazole (K2), for mild ... -
Application of 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide ionic liquid for the different types of separations problem: Activity coefficients at infinite dilution measurements using gas-liquid chromatography technique
Singh, S.; Bahadur, I.; Naidoo, P.; Redhi, G.; Ramjugernath, D. (Elsevier, 2016)The present work focussed on application of the environmental friendly 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide ([BMIM]+[Tf2N]−) ionic liquid for the separations of (alkane/aromatic), (alkane/alk-1-ene), ... -
Cibulka correlation for ternary excess/deviation properties of C2mim EtSO4 (x1) + acetic or propionic acid (x2) + acetonitrile (x3) systems at different temperatures
Singh, S.; Bahadur, I.; Redhi, G.G.; Karlapudi, S.; Ramjugernath, D.; Hofman, T.; Ebenso, E.E. (Elsevier, 2017)In this perspective, the main intention is to reveal the possible intra and inter molecular interactions between ternary ionic liquid systems. The excess molar volume (VE123), isentropic compressibility (ks) and deviation ... -
Electrochemical, thermodynamic and quantum chemical studies of synthesized benzimidazole derivatives as corrosion inhibitors for N80 steel in hydrochloric acid
Yadav, M.; Kumar, S.; Purkait, T.; Olasunkanmi, L.O.; Bahadur, I.; Ebenso, E.E. (Elsevier, 2016)The inhibitive action of synthesized benzimidazole derivatives, namely: 2-(1-(morpholinomethyl)-1H-benzo[d]imidazol-2-yl)phenol (MBP), 2-(1-((piperazine-1-yl)methyl)-1H-benzo[d]imidazol-2-yl)phenol (PzMBP) and 2-(1-((pip ... -
Experimental, quantum chemical and Monte Carlo simulation studies of 3,5-disubstituted-4-amino-1,2,4-triazoles as corrosion inhibitors on mild steel in acidic medium
ElBelghiti, M.; Bahadur, I.; Ebenso, E.E. (Elsevier, 2016)The inhibition properties of two 3,5-bis (disubstituted)-4-amino-1, 2,4-triazole derivatives, namely 3,5-bis(4-methoxyphenyl)-4-amino-1,2,4-triazole (T1) and 3,5-bis(4-chlorophenyl)-4-amino-1,2,4-triazole (T2) were ... -
Green arbitrated synthesis of Fe3O4 magnetic nanoparticles with nanorod structure from pomegranate leaves and Congo red dye degradation studies for water treatment
Prasad, Cheera; Karlapudi, S.; Venkateswarlu, P.; Bahadur, I.; Kumar, S. (Elsevier, 2017)An efficient, cost effective and eco-friendly approach has been developed for the synthesis of Fe3O4 magnetic nanorods (MNRs) using aqueous extract of Pomegranate leaves (PG). The synthesized PG-Fe3O4 MNRs were characterized ... -
Industrial application of ionic liquids for the recoveries of spent paint solvent
Moodley, K.; Mabaso, M.; Bahadur, I.; Redhi, G.G. (Elsevier, 2016)The recovery of industrially valuable organic solvents from liquid waste, generated in chemical processes, is economically crucial to countries which need to import organic solvents. In view of this, the main objective of ... -
Influence of alkyl group on interactions between carboxylic acid and acetonitrile at different temperatures
Singh, S.; Bahadur, I.; Redhi, G.G.; Ramjugernath, D.; Ebenso, E.E. (Elsevier, 2016)In this paper, the influence of alkyl group as well as temperature on interactions between carboxylic acid and acetonitrile were examined using thermodynamics technique. The carboxylic acid used in this study was acetic ... -
Interactions of 1-butyl-3-methylimidazolium hexafluorophosphate with N,N-dimethylformamide: density and viscosity measurements
Bennett, V.; Dikio, C.W.; Angaye, S.S.; Wankasi, D.; Dikio, E.D.; Bahadur, I.; Ebenso, E.E. (Elsevier, 2016)Physico-chemical properties: density (ρ) and viscosity (η) at (303.15, 313.15 and 323.15) K were measured for the binary mixtures of synthesized and characterized ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate ... -
Interactions of ethyl acetoacetate with some (C4-C9) aliphatic ketones at 298.15 K: insight from volumetric studies
Kemeakegha, A.J.; Abia, A.A.; Dikio, E.D.; Bahadur, I.; Ebenso, E.E. (Elsevier, 2016)Density of binary mixtures of ethyl acetoacetate (EAA) with straight chain aliphatic ketones butan-2-one, pentan-2-one, hexan-2-one, heptan-2-one, octan-2-one and nonan-2-one were measured at varying compositions of the ... -
Interactions of polyvinylpyrrolidone with imidazolium based ionic liquids: Spectroscopic and Density Functional Theory studies
Bahadur, I.; Ebenso, E.E.; Seru-Katata, L.M. (Elsevier, 2016)A polyvinylpyrrolidone (PVP) polymer has been shown to interact with the ionic liquids (ILs), 1-butyl-3-methylimidazolium bis(trifluromethylsulfonyl)imide [BMIM][Tf2N], 1-butyl-3-methylimidazolium methylsulphate [BMIM][MeSO4], ... -
Intermolecular interactions between 2-methyl-2-butanol and petroleum ether at different temperatures: density, viscosity and refractive index measurements
Dikio, E.D.; Bahadur, I.; Ebenso, E.E. (Elsevier, 2016)Experimental data of densities, dynamic viscosities, at 293.15, and 303.15 K as well as refractive indices at 293.15, 303.15, 313.15 and 323.15 K were measured for the binary systems of 2-methyl-2-butanol and petroleum ... -
(Liquid + liquid) equilibria measurements for ternary systems (sulfolane + a carboxylic acid + n-heptane) at T = 303.15 K and at 0.1 MPa
Cele, N.P.; Bahadur, I.; Redhi, G.G.; Ebenso, E.E. (Elsevier, 2016)In the present work, new (liquid + liquid) equilibrium (LLE) values are reported for ternary systems {sulfolane(1) + acetic acid, or propanoic acid, or butanoic acid, or 2-methylpropanoic acid, or pentanoic acid, or ... -
Nature of the molecular interaction between 1-ethyl-3-methylimidazolium methylsulfate ionic liquid with higher chain alcohol through binary mixtures containing thermophysical properties
Sandhya, M. Swetha; Govinda, V.; Bahadur, I.; Venkateswarlu, P. (Elsevier, 2017)In this work, the sophisticated thermodynamic techniques: thermodynamic and thermophysical properties of binary mixtures of 1-ethyl-3-methylimidazolium [C2mim][MeSO4] with various organic solvents were determined at different ... -
Synergistic inhibition between benzyl triphenyl phosphonium chloride and halide Ions on the corrosion of mild steel in acidic medium
Vashisht, H.; Bahadur, I.; Kumar, S.; Singh, G.; Ramjugernath, D.; Ebenso, Eno Effiong (ESG, 2014)The effect of benzyl triphenyl phosphonium chloride (BTPPC) and halide ion (KI) on the corrosion of mild steel in a solution of 0.3 M phosphoric acid have been investigated at various inhibitor concentrations ... -
Synergistic interactions between tetra butyl phosphonium hydroxide and iodide ions on the mild steel surface for corrosion inhibition in acidic medium
Vashisht, H.; Bahadur, I.; Katata-Seru, L.; Ebenso, E.E. (Elsevier, 2016)The corrosion inhibitive action of tetra butyl phosphonium hydroxide (TBPH) on mild steel was investigated in 0.5 M H2SO4. On adding the potassium iodide (KI) to the solution corrosion inhibition efficiency was significantly ... -
Synthesis and characterization of 2′,3′-epoxy propyl-N-methyl-2-oxopyrrolidinium salicylate ionic liquid and study of its interaction with water or methanol
Vasanthakumar, A.; Bahadur, I.; Redhi, G.; Gengan, R.M. (Royal Society of Chemistry, 2016)Important physico-chemical properties of ionic liquids (ILs) can be manipulated by adjusting the nature of the cation or anion. These properties are exploited in applications such as organic synthesis, catalysis and ... -
Synthesis, characterization and thermophysical properties of ionic liquid N-methyl-N-(2′,3′-epoxypropyl)-2-oxopyrrolidinium chloride and its binary mixtures with water or ethanol at different temperatures
Vasanthakumar, A.; Bahadur, I.; Redhi, G.G.; Gengan, R.M.; Anand, K. (Elsevier, 2016)A novel ionic liquid, namely, N-methyl-N-(2′,3′-epoxypropyl)-2-oxopyrrolidiniumchloride [Epmpyr]+[Cl]− was synthesized and characterized by different techniques such as NMR (1H and 13C), FTIR, and elemental analysis. The ...