Journal of Basic and Environmental Sciences

Abstract of:

Photodegradation for Mordant Orange 37 and Direct Green B from Water using Nanokaolin

Sabah S. Ibrahim      ,, Belal N.A. Mahran,
A novel amido-amine based cationic surfactant, namely, 3-decanoylamino-propyl-ethyl-dimethyl-ammonium iodide (DAEI) was synthesized and its chemical structure was confirmed using FTIR spectroscopy and 1H NMR spectra. The surface activities of synthesized compound were investigated. Free energies of adsorption and micellization processes were calculated. The inhibition effect of synthesized surfactant on the corrosion of aluminum in 0.5 M HCl solution was investigated using weight loss, hydrogen evolution and potentiodynamic polarization techniques. It was found that this inhibitor acts as a mixed-type inhibitor as well as the inhibition efficiency increases with increasing the inhibitor concentration, but decreases with raising temperature. Langmuir adsorption isotherm fits well with the experimental data. Thermodynamic functions for the adsorption process in 0.5 M HCl were determined and explained.

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