Characterization of the pristine barite mineral was established using a scanning electron microscope (SEM) and Fourier Transform Infra-Red (FTIR). Barite was applied for sodium oleate and sodium palmitate adsorption in aqueous solutions. Equilibrium adsorption data were fitted into two adsorption isotherms, three kinetic models and thermodynamic study. The concentration of the ion and pH in the solution proved to be a controlling factor in the adsorption process. Sodium oleate and sodium palmitate soaps adsorbed strongly onto the barite mineral at pH 9 and a temperature of 293k. They result was affected by the high bulk density and chemical resistance nature of barite indicated by successive increase in dosage amount. The effect of concentration and time typically gave a C-type adsorption isotherm. Adsorptive isotherm showed that sodium palmitate adsorption over natural barite was better described by the Langmuir adsorption isotherm while oleate desorption gave a good fitting with Freundlich isotherm. The adsorptive kinetics of sodium palmitate fitted well into pseudo 1 st order and 2nd order kinetics. Intra particle diffusion was not the rate-determining step. Thermodynamic study showed a physio-sorption that was exothermic. Hence the findings showed that pristine barite absorbs at optimum pH and temperature of 9 and 293K.
| Published in | American Journal of Physical Chemistry (Volume 7, Issue 4) |
| DOI | 10.11648/j.ajpc.20180704.12 |
| Page(s) | 63-72 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2019. Published by Science Publishing Group |
Barite, Adsorption, Sodium Palmitate, Sodium Oleate
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APA Style
Nwoko Christopher Ikpe Amadi, Nkwoada Amarachi Udoka, Okoji Josephine, Opah Solomon. (2019). An Experimental Investigation of Pristine Barite Adsorption on Sodium Oleate and Sodium Palmitate. American Journal of Physical Chemistry, 7(4), 63-72. https://doi.org/10.11648/j.ajpc.20180704.12
ACS Style
Nwoko Christopher Ikpe Amadi; Nkwoada Amarachi Udoka; Okoji Josephine; Opah Solomon. An Experimental Investigation of Pristine Barite Adsorption on Sodium Oleate and Sodium Palmitate. Am. J. Phys. Chem. 2019, 7(4), 63-72. doi: 10.11648/j.ajpc.20180704.12
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Download@article{10.11648/j.ajpc.20180704.12,
author = {Nwoko Christopher Ikpe Amadi and Nkwoada Amarachi Udoka and Okoji Josephine and Opah Solomon},
title = {An Experimental Investigation of Pristine Barite Adsorption on Sodium Oleate and Sodium Palmitate},
journal = {American Journal of Physical Chemistry},
volume = {7},
number = {4},
pages = {63-72},
doi = {10.11648/j.ajpc.20180704.12},
url = {https://doi.org/10.11648/j.ajpc.20180704.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20180704.12},
abstract = {Characterization of the pristine barite mineral was established using a scanning electron microscope (SEM) and Fourier Transform Infra-Red (FTIR). Barite was applied for sodium oleate and sodium palmitate adsorption in aqueous solutions. Equilibrium adsorption data were fitted into two adsorption isotherms, three kinetic models and thermodynamic study. The concentration of the ion and pH in the solution proved to be a controlling factor in the adsorption process. Sodium oleate and sodium palmitate soaps adsorbed strongly onto the barite mineral at pH 9 and a temperature of 293k. They result was affected by the high bulk density and chemical resistance nature of barite indicated by successive increase in dosage amount. The effect of concentration and time typically gave a C-type adsorption isotherm. Adsorptive isotherm showed that sodium palmitate adsorption over natural barite was better described by the Langmuir adsorption isotherm while oleate desorption gave a good fitting with Freundlich isotherm. The adsorptive kinetics of sodium palmitate fitted well into pseudo 1 st order and 2nd order kinetics. Intra particle diffusion was not the rate-determining step. Thermodynamic study showed a physio-sorption that was exothermic. Hence the findings showed that pristine barite absorbs at optimum pH and temperature of 9 and 293K.},
year = {2019}
}
TY - JOUR T1 - An Experimental Investigation of Pristine Barite Adsorption on Sodium Oleate and Sodium Palmitate AU - Nwoko Christopher Ikpe Amadi AU - Nkwoada Amarachi Udoka AU - Okoji Josephine AU - Opah Solomon Y1 - 2019/01/28 PY - 2019 N1 - https://doi.org/10.11648/j.ajpc.20180704.12 DO - 10.11648/j.ajpc.20180704.12 T2 - American Journal of Physical Chemistry JF - American Journal of Physical Chemistry JO - American Journal of Physical Chemistry SP - 63 EP - 72 PB - Science Publishing Group SN - 2327-2449 UR - https://doi.org/10.11648/j.ajpc.20180704.12 AB - Characterization of the pristine barite mineral was established using a scanning electron microscope (SEM) and Fourier Transform Infra-Red (FTIR). Barite was applied for sodium oleate and sodium palmitate adsorption in aqueous solutions. Equilibrium adsorption data were fitted into two adsorption isotherms, three kinetic models and thermodynamic study. The concentration of the ion and pH in the solution proved to be a controlling factor in the adsorption process. Sodium oleate and sodium palmitate soaps adsorbed strongly onto the barite mineral at pH 9 and a temperature of 293k. They result was affected by the high bulk density and chemical resistance nature of barite indicated by successive increase in dosage amount. The effect of concentration and time typically gave a C-type adsorption isotherm. Adsorptive isotherm showed that sodium palmitate adsorption over natural barite was better described by the Langmuir adsorption isotherm while oleate desorption gave a good fitting with Freundlich isotherm. The adsorptive kinetics of sodium palmitate fitted well into pseudo 1 st order and 2nd order kinetics. Intra particle diffusion was not the rate-determining step. Thermodynamic study showed a physio-sorption that was exothermic. Hence the findings showed that pristine barite absorbs at optimum pH and temperature of 9 and 293K. VL - 7 IS - 4 ER -
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