Thermal-Gravimetric, Calorimetric and Chemical Analytical Characterisation of Coal

Misael Silas Nadiye-Tabbiruka; Wilfred Ddamba; Kifilwe Tsheko; Zakarea Kenewang; Estella Judith Salamula

doi:doi:10.11648/j.ijmsa.20140306.18

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Thermal-Gravimetric, Calorimetric and Chemical Analytical Characterisation of Coal

Misael Silas Nadiye-Tabbiruka, Wilfred Ddamba, Kifilwe Tsheko, Zakarea Kenewang, Estella Judith Salamula

Published in International Journal of Materials Science and Applications (Volume 3, Issue 6)

Received: 25 September 2014 Accepted: 11 October 2014 Published: 20 October 2014

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Abstract

Coal samples from Morupule colliery in Botswana were characterized by bomb calorimetry, thermal-gravimetric analysis, atomic absorption spectrometry and flame photometry. The average heat of combustion of the coal was found to be 27.3 kJ g-1; with a substantial amount of ashes left behind. Thermo-gravimetric analysis showed peaks at 59.40 oC corresponding to loss of surface water, an exothermic peak at 448.54 0C associated with primary devolatilization in which compounds containing carbon, hydrogen and oxygen are released and finally a second exothermic peak at 682.58 0C associated with the secondary degasification in which methane and hydrogen are released. 70.4% of the coal was left after heating to 1000 0C indicating that in its present form, Morupule coal is of low quality but releases plenty of heat on combustion. The determination of the percentage weights of Calcium, Chromium, Copper, Lead, Iron using Atomic Absorption Spectrometry (AAS) and that of Potassium and Sodium using flame photometry showed that Iron (21.0956%) is the dominant inorganic element. The percentage weights of the other elements varied between zero and 7.4301%.

Published in	International Journal of Materials Science and Applications (Volume 3, Issue 6)
DOI	10.11648/j.ijmsa.20140306.18
Page(s)	325-330
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

Coal Characterization, Morupule Coal, Coal Chemical Analysis

References

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[8]	Shaoqing Wang, Yuegang Tang, Harald H. Schobert, Gareth D. Mitchell, Fengrong Liao, and Zengzhi Liu ‘A thermal behaviour study of Chinese coals with high hydrogen content’ International Journal of Coal Geology 81 37 – 44. (2010).
[9]	Prasassarakich, P. and Pecharanond, P. "Kinetics of Coal Desulphurization in Aqueous Cupric Sulphate" Fuel, Vol.71, No.8, 929-933. (1991).
[10]	Golightly D. W. and Simon F. O: Methods For and Inorganic Analysis of Coal U. S. Geological Survey Bulletin 1823
[11]	Hsing Cheng His, Chiaoguo Chen, Massoud Rastam –Abadi, Mark J. Rood, Carl F. Richardson, Todd R. Carey, and Ramsay Chang ‘Preparation and evaluation of coal derived activated carbons for removal of mercury vapour from simulated coal combustion fuel gases’ Energy and Fuel 12 1061 – 1070 (1998). and solvent fractionation’ . Fuel 80 41-48.
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APA Style

Misael Silas Nadiye-Tabbiruka, Wilfred Ddamba, Kifilwe Tsheko, Zakarea Kenewang, Estella Judith Salamula. (2014). Thermal-Gravimetric, Calorimetric and Chemical Analytical Characterisation of Coal. International Journal of Materials Science and Applications, 3(6), 325-330. https://doi.org/10.11648/j.ijmsa.20140306.18

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ACS Style

Misael Silas Nadiye-Tabbiruka; Wilfred Ddamba; Kifilwe Tsheko; Zakarea Kenewang; Estella Judith Salamula. Thermal-Gravimetric, Calorimetric and Chemical Analytical Characterisation of Coal. Int. J. Mater. Sci. Appl. 2014, 3(6), 325-330. doi: 10.11648/j.ijmsa.20140306.18

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AMA Style

Misael Silas Nadiye-Tabbiruka, Wilfred Ddamba, Kifilwe Tsheko, Zakarea Kenewang, Estella Judith Salamula. Thermal-Gravimetric, Calorimetric and Chemical Analytical Characterisation of Coal. Int J Mater Sci Appl. 2014;3(6):325-330. doi: 10.11648/j.ijmsa.20140306.18

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@article{10.11648/j.ijmsa.20140306.18,
  author = {Misael Silas Nadiye-Tabbiruka and Wilfred Ddamba and Kifilwe Tsheko and Zakarea Kenewang and Estella Judith Salamula},
  title = {Thermal-Gravimetric, Calorimetric and Chemical Analytical Characterisation of Coal},
  journal = {International Journal of Materials Science and Applications},
  volume = {3},
  number = {6},
  pages = {325-330},
  doi = {10.11648/j.ijmsa.20140306.18},
  url = {https://doi.org/10.11648/j.ijmsa.20140306.18},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20140306.18},
  abstract = {Coal samples from Morupule colliery in Botswana were characterized by bomb calorimetry, thermal-gravimetric analysis, atomic absorption spectrometry and flame photometry. The average heat of combustion of the coal was found to be 27.3 kJ g-1; with a substantial amount of ashes left behind. Thermo-gravimetric analysis showed peaks at 59.40 oC corresponding to loss of surface water, an exothermic peak at 448.54 0C associated with primary devolatilization in which compounds containing carbon, hydrogen and oxygen are released and finally a second exothermic peak at 682.58 0C associated with the secondary degasification in which methane and hydrogen are released. 70.4% of the coal was left after heating to 1000 0C indicating that in its present form, Morupule coal is of low quality but releases plenty of heat on combustion. The determination of the percentage weights of Calcium, Chromium, Copper, Lead, Iron using Atomic Absorption Spectrometry (AAS) and that of Potassium and Sodium using flame photometry showed that Iron (21.0956%) is the dominant inorganic element. The percentage weights of the other elements varied between zero and 7.4301%.},
 year = {2014}
}

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TY  - JOUR
T1  - Thermal-Gravimetric, Calorimetric and Chemical Analytical Characterisation of Coal
AU  - Misael Silas Nadiye-Tabbiruka
AU  - Wilfred Ddamba
AU  - Kifilwe Tsheko
AU  - Zakarea Kenewang
AU  - Estella Judith Salamula
Y1  - 2014/10/20
PY  - 2014
N1  - https://doi.org/10.11648/j.ijmsa.20140306.18
DO  - 10.11648/j.ijmsa.20140306.18
T2  - International Journal of Materials Science and Applications
JF  - International Journal of Materials Science and Applications
JO  - International Journal of Materials Science and Applications
SP  - 325
EP  - 330
PB  - Science Publishing Group
SN  - 2327-2643
UR  - https://doi.org/10.11648/j.ijmsa.20140306.18
AB  - Coal samples from Morupule colliery in Botswana were characterized by bomb calorimetry, thermal-gravimetric analysis, atomic absorption spectrometry and flame photometry. The average heat of combustion of the coal was found to be 27.3 kJ g-1; with a substantial amount of ashes left behind. Thermo-gravimetric analysis showed peaks at 59.40 oC corresponding to loss of surface water, an exothermic peak at 448.54 0C associated with primary devolatilization in which compounds containing carbon, hydrogen and oxygen are released and finally a second exothermic peak at 682.58 0C associated with the secondary degasification in which methane and hydrogen are released. 70.4% of the coal was left after heating to 1000 0C indicating that in its present form, Morupule coal is of low quality but releases plenty of heat on combustion. The determination of the percentage weights of Calcium, Chromium, Copper, Lead, Iron using Atomic Absorption Spectrometry (AAS) and that of Potassium and Sodium using flame photometry showed that Iron (21.0956%) is the dominant inorganic element. The percentage weights of the other elements varied between zero and 7.4301%.
VL  - 3
IS  - 6
ER  -

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Author Information

Misael Silas Nadiye-Tabbiruka

Chemistry Department, University of Botswana, Private Bag 00704, Gaborone
Wilfred Ddamba

Chemistry Department, University of Botswana, Private Bag 00704, Gaborone
Kifilwe Tsheko

Chemistry Department, University of Botswana, Private Bag 00704, Gaborone
Zakarea Kenewang

Chemistry Department, University of Botswana, Private Bag 00704, Gaborone
Estella Judith Salamula

Chemistry Department, Makerere University, P. O. Box 7062, Kampala, Uganda

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APA Style

Misael Silas Nadiye-Tabbiruka, Wilfred Ddamba, Kifilwe Tsheko, Zakarea Kenewang, Estella Judith Salamula. (2014). Thermal-Gravimetric, Calorimetric and Chemical Analytical Characterisation of Coal. International Journal of Materials Science and Applications, 3(6), 325-330. https://doi.org/10.11648/j.ijmsa.20140306.18

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ACS Style

Misael Silas Nadiye-Tabbiruka; Wilfred Ddamba; Kifilwe Tsheko; Zakarea Kenewang; Estella Judith Salamula. Thermal-Gravimetric, Calorimetric and Chemical Analytical Characterisation of Coal. Int. J. Mater. Sci. Appl. 2014, 3(6), 325-330. doi: 10.11648/j.ijmsa.20140306.18

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AMA Style

Misael Silas Nadiye-Tabbiruka, Wilfred Ddamba, Kifilwe Tsheko, Zakarea Kenewang, Estella Judith Salamula. Thermal-Gravimetric, Calorimetric and Chemical Analytical Characterisation of Coal. Int J Mater Sci Appl. 2014;3(6):325-330. doi: 10.11648/j.ijmsa.20140306.18

Copy | Download

@article{10.11648/j.ijmsa.20140306.18,
  author = {Misael Silas Nadiye-Tabbiruka and Wilfred Ddamba and Kifilwe Tsheko and Zakarea Kenewang and Estella Judith Salamula},
  title = {Thermal-Gravimetric, Calorimetric and Chemical Analytical Characterisation of Coal},
  journal = {International Journal of Materials Science and Applications},
  volume = {3},
  number = {6},
  pages = {325-330},
  doi = {10.11648/j.ijmsa.20140306.18},
  url = {https://doi.org/10.11648/j.ijmsa.20140306.18},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20140306.18},
  abstract = {Coal samples from Morupule colliery in Botswana were characterized by bomb calorimetry, thermal-gravimetric analysis, atomic absorption spectrometry and flame photometry. The average heat of combustion of the coal was found to be 27.3 kJ g-1; with a substantial amount of ashes left behind. Thermo-gravimetric analysis showed peaks at 59.40 oC corresponding to loss of surface water, an exothermic peak at 448.54 0C associated with primary devolatilization in which compounds containing carbon, hydrogen and oxygen are released and finally a second exothermic peak at 682.58 0C associated with the secondary degasification in which methane and hydrogen are released. 70.4% of the coal was left after heating to 1000 0C indicating that in its present form, Morupule coal is of low quality but releases plenty of heat on combustion. The determination of the percentage weights of Calcium, Chromium, Copper, Lead, Iron using Atomic Absorption Spectrometry (AAS) and that of Potassium and Sodium using flame photometry showed that Iron (21.0956%) is the dominant inorganic element. The percentage weights of the other elements varied between zero and 7.4301%.},
 year = {2014}
}

Copy | Download

TY  - JOUR
T1  - Thermal-Gravimetric, Calorimetric and Chemical Analytical Characterisation of Coal
AU  - Misael Silas Nadiye-Tabbiruka
AU  - Wilfred Ddamba
AU  - Kifilwe Tsheko
AU  - Zakarea Kenewang
AU  - Estella Judith Salamula
Y1  - 2014/10/20
PY  - 2014
N1  - https://doi.org/10.11648/j.ijmsa.20140306.18
DO  - 10.11648/j.ijmsa.20140306.18
T2  - International Journal of Materials Science and Applications
JF  - International Journal of Materials Science and Applications
JO  - International Journal of Materials Science and Applications
SP  - 325
EP  - 330
PB  - Science Publishing Group
SN  - 2327-2643
UR  - https://doi.org/10.11648/j.ijmsa.20140306.18
AB  - Coal samples from Morupule colliery in Botswana were characterized by bomb calorimetry, thermal-gravimetric analysis, atomic absorption spectrometry and flame photometry. The average heat of combustion of the coal was found to be 27.3 kJ g-1; with a substantial amount of ashes left behind. Thermo-gravimetric analysis showed peaks at 59.40 oC corresponding to loss of surface water, an exothermic peak at 448.54 0C associated with primary devolatilization in which compounds containing carbon, hydrogen and oxygen are released and finally a second exothermic peak at 682.58 0C associated with the secondary degasification in which methane and hydrogen are released. 70.4% of the coal was left after heating to 1000 0C indicating that in its present form, Morupule coal is of low quality but releases plenty of heat on combustion. The determination of the percentage weights of Calcium, Chromium, Copper, Lead, Iron using Atomic Absorption Spectrometry (AAS) and that of Potassium and Sodium using flame photometry showed that Iron (21.0956%) is the dominant inorganic element. The percentage weights of the other elements varied between zero and 7.4301%.
VL  - 3
IS  - 6
ER  -

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