Characterazation of Unmodified and Chemically Modified Coal Samples by Nitrogen Adsorption at 77k, and Investigation of their Interaction with Sulphur Dioxide, (SO2), a Known Pollutant

Nadiye-Tabbiruka M. S.; Unaye Masiya; Salamula; E. J.; Obuseng V.; Ngila J. C.

doi:doi:10.11648/j.am.20140306.12

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Characterazation of Unmodified and Chemically Modified Coal Samples by Nitrogen Adsorption at 77k, and Investigation of their Interaction with Sulphur Dioxide, (SO2), a Known Pollutant

Nadiye-Tabbiruka M. S., Unaye Masiya, Salamula, E. J., Obuseng V., Ngila J. C.

Published in Advances in Materials (Volume 3, Issue 6)

Received: 25 November 2014 Accepted: 4 December 2014 Published: 18 December 2014

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Abstract

Samples of modified and fresh coal from Morupule, in Botswana, were characterized by nitrogen adsorption at 77 K and found to be micro porous materials, with the modified sample having a higher specific surface area (SBET = 282.0 m2/g) which is 19 times that of the original sample. Modification by activation increased the average pore radius slightly. Interaction of the coals with sulphur dioxide, a known pollutant, was investigated through its adsorption at various temperatures to facilitate the determination of isosteric heats of adsorption. The values obtained indicated physical adsorption of the pollutant indicating the possible reuse over and over again to trap and remove the pollutant in gaseous phase. Results from elemental analyser show that Morupule coal contains 68.8%±5.0% carbon.

Published in	Advances in Materials (Volume 3, Issue 6)
DOI	10.11648/j.am.20140306.12
Page(s)	68-74
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), 2014. Published by Science Publishing Group

Keywords

Adsorption, Coal, Activated Carbon, Surface Area, Pore Size Distribution

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Nadiye-Tabbiruka M. S., Unaye Masiya, Salamula, E. J., Obuseng V., et al. (2014). Characterazation of Unmodified and Chemically Modified Coal Samples by Nitrogen Adsorption at 77k, and Investigation of their Interaction with Sulphur Dioxide, (SO2), a Known Pollutant. Advances in Materials, 3(6), 68-74. https://doi.org/10.11648/j.am.20140306.12

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Nadiye-Tabbiruka M. S.; Unaye Masiya; Salamula; E. J.; Obuseng V., et al. Characterazation of Unmodified and Chemically Modified Coal Samples by Nitrogen Adsorption at 77k, and Investigation of their Interaction with Sulphur Dioxide, (SO2), a Known Pollutant. Adv. Mater. 2014, 3(6), 68-74. doi: 10.11648/j.am.20140306.12

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AMA Style

Nadiye-Tabbiruka M. S., Unaye Masiya, Salamula, E. J., Obuseng V., et al. Characterazation of Unmodified and Chemically Modified Coal Samples by Nitrogen Adsorption at 77k, and Investigation of their Interaction with Sulphur Dioxide, (SO2), a Known Pollutant. Adv Mater. 2014;3(6):68-74. doi: 10.11648/j.am.20140306.12

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@article{10.11648/j.am.20140306.12,
  author = {Nadiye-Tabbiruka M. S. and Unaye Masiya and Salamula and E. J. and Obuseng V. and Ngila J. C.},
  title = {Characterazation of Unmodified and Chemically Modified Coal Samples by Nitrogen Adsorption at 77k, and Investigation of their Interaction with Sulphur Dioxide, (SO2), a Known Pollutant},
  journal = {Advances in Materials},
  volume = {3},
  number = {6},
  pages = {68-74},
  doi = {10.11648/j.am.20140306.12},
  url = {https://doi.org/10.11648/j.am.20140306.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.am.20140306.12},
  abstract = {Samples of modified and fresh coal from Morupule, in Botswana, were characterized by nitrogen adsorption at 77 K and found to be micro porous materials, with the modified sample having a higher specific surface area (SBET = 282.0 m2/g) which is 19 times that of the original sample. Modification by activation increased the average pore radius slightly. Interaction of the coals with sulphur dioxide, a known pollutant, was investigated through its adsorption at various temperatures to facilitate the determination of isosteric heats of adsorption. The values obtained indicated physical adsorption of the pollutant indicating the possible reuse over and over again to trap and remove the pollutant in gaseous phase. Results from elemental analyser show that Morupule coal contains 68.8%±5.0% carbon.},
 year = {2014}
}

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TY  - JOUR
T1  - Characterazation of Unmodified and Chemically Modified Coal Samples by Nitrogen Adsorption at 77k, and Investigation of their Interaction with Sulphur Dioxide, (SO2), a Known Pollutant
AU  - Nadiye-Tabbiruka M. S.
AU  - Unaye Masiya
AU  - Salamula
AU  - E. J.
AU  - Obuseng V.
AU  - Ngila J. C.
Y1  - 2014/12/18
PY  - 2014
N1  - https://doi.org/10.11648/j.am.20140306.12
DO  - 10.11648/j.am.20140306.12
T2  - Advances in Materials
JF  - Advances in Materials
JO  - Advances in Materials
SP  - 68
EP  - 74
PB  - Science Publishing Group
SN  - 2327-252X
UR  - https://doi.org/10.11648/j.am.20140306.12
AB  - Samples of modified and fresh coal from Morupule, in Botswana, were characterized by nitrogen adsorption at 77 K and found to be micro porous materials, with the modified sample having a higher specific surface area (SBET = 282.0 m2/g) which is 19 times that of the original sample. Modification by activation increased the average pore radius slightly. Interaction of the coals with sulphur dioxide, a known pollutant, was investigated through its adsorption at various temperatures to facilitate the determination of isosteric heats of adsorption. The values obtained indicated physical adsorption of the pollutant indicating the possible reuse over and over again to trap and remove the pollutant in gaseous phase. Results from elemental analyser show that Morupule coal contains 68.8%±5.0% carbon.
VL  - 3
IS  - 6
ER  -

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Author Information

Nadiye-Tabbiruka M. S.

University of Botswana, Faculty of Science, Department of Chemistry, Private Bag 00704, Gaborone, Botswana
Unaye Masiya

University of Botswana, Faculty of Science, Department of Chemistry, Private Bag 00704, Gaborone, Botswana
Salamula
E. J.
Obuseng V.

University of Botswana, Faculty of Science, Department of Chemistry, Private Bag 00704, Gaborone, Botswana
Ngila J. C.

Department of Applied Chemistry, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Doornfonten 2028, Cornerbeit and Nind Street John Orr Building

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APA Style

Nadiye-Tabbiruka M. S., Unaye Masiya, Salamula, E. J., Obuseng V., et al. (2014). Characterazation of Unmodified and Chemically Modified Coal Samples by Nitrogen Adsorption at 77k, and Investigation of their Interaction with Sulphur Dioxide, (SO2), a Known Pollutant. Advances in Materials, 3(6), 68-74. https://doi.org/10.11648/j.am.20140306.12

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ACS Style

Nadiye-Tabbiruka M. S.; Unaye Masiya; Salamula; E. J.; Obuseng V., et al. Characterazation of Unmodified and Chemically Modified Coal Samples by Nitrogen Adsorption at 77k, and Investigation of their Interaction with Sulphur Dioxide, (SO2), a Known Pollutant. Adv. Mater. 2014, 3(6), 68-74. doi: 10.11648/j.am.20140306.12

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AMA Style

Nadiye-Tabbiruka M. S., Unaye Masiya, Salamula, E. J., Obuseng V., et al. Characterazation of Unmodified and Chemically Modified Coal Samples by Nitrogen Adsorption at 77k, and Investigation of their Interaction with Sulphur Dioxide, (SO2), a Known Pollutant. Adv Mater. 2014;3(6):68-74. doi: 10.11648/j.am.20140306.12

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@article{10.11648/j.am.20140306.12,
  author = {Nadiye-Tabbiruka M. S. and Unaye Masiya and Salamula and E. J. and Obuseng V. and Ngila J. C.},
  title = {Characterazation of Unmodified and Chemically Modified Coal Samples by Nitrogen Adsorption at 77k, and Investigation of their Interaction with Sulphur Dioxide, (SO2), a Known Pollutant},
  journal = {Advances in Materials},
  volume = {3},
  number = {6},
  pages = {68-74},
  doi = {10.11648/j.am.20140306.12},
  url = {https://doi.org/10.11648/j.am.20140306.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.am.20140306.12},
  abstract = {Samples of modified and fresh coal from Morupule, in Botswana, were characterized by nitrogen adsorption at 77 K and found to be micro porous materials, with the modified sample having a higher specific surface area (SBET = 282.0 m2/g) which is 19 times that of the original sample. Modification by activation increased the average pore radius slightly. Interaction of the coals with sulphur dioxide, a known pollutant, was investigated through its adsorption at various temperatures to facilitate the determination of isosteric heats of adsorption. The values obtained indicated physical adsorption of the pollutant indicating the possible reuse over and over again to trap and remove the pollutant in gaseous phase. Results from elemental analyser show that Morupule coal contains 68.8%±5.0% carbon.},
 year = {2014}
}

Copy | Download

TY  - JOUR
T1  - Characterazation of Unmodified and Chemically Modified Coal Samples by Nitrogen Adsorption at 77k, and Investigation of their Interaction with Sulphur Dioxide, (SO2), a Known Pollutant
AU  - Nadiye-Tabbiruka M. S.
AU  - Unaye Masiya
AU  - Salamula
AU  - E. J.
AU  - Obuseng V.
AU  - Ngila J. C.
Y1  - 2014/12/18
PY  - 2014
N1  - https://doi.org/10.11648/j.am.20140306.12
DO  - 10.11648/j.am.20140306.12
T2  - Advances in Materials
JF  - Advances in Materials
JO  - Advances in Materials
SP  - 68
EP  - 74
PB  - Science Publishing Group
SN  - 2327-252X
UR  - https://doi.org/10.11648/j.am.20140306.12
AB  - Samples of modified and fresh coal from Morupule, in Botswana, were characterized by nitrogen adsorption at 77 K and found to be micro porous materials, with the modified sample having a higher specific surface area (SBET = 282.0 m2/g) which is 19 times that of the original sample. Modification by activation increased the average pore radius slightly. Interaction of the coals with sulphur dioxide, a known pollutant, was investigated through its adsorption at various temperatures to facilitate the determination of isosteric heats of adsorption. The values obtained indicated physical adsorption of the pollutant indicating the possible reuse over and over again to trap and remove the pollutant in gaseous phase. Results from elemental analyser show that Morupule coal contains 68.8%±5.0% carbon.
VL  - 3
IS  - 6
ER  -

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