A Characterization Study of Raw Maiganga, Gombe Coal
DOI:
https://doi.org/10.22034/advjse22032103Keywords:
Cerrusite, Characterization, Energy, Properties, Maiganga coal, TemperatureAbstract
The characteristics of individual coal deposits define its suitable applications, there is a need for a study on the detailed characterization of large coal deposits of Maiganga, Gombe coal, Nigeria. This work used the state of art analytical equipment to investigate the physicochemical properties, microstructural, elemental composition, mineralogy, functional groups, and thermal properties of the Maiganga coal. The proximate and ultimate analyses results depict that it is combustible with minimal impact on the environment and the calorific value of the coal (5179.80 kcal/kg) falls within the grade for energy recovery. The surface morphology revealed rough images that displayed the agglomerate network structure of the amorphous forms of coal, the coal contains heavy metals in form of oxides with combined major elements and trace metals. The phases found are quartz low (5.6%), cerussite (54%), lime (4.9%), and amesite (35.5%) with the crystalline size of 5.35 nm moreover, the functional group result showed different aliphatic –CH bonds exhibited by sub-bituminous coal. Thermal analysis revealed a temperature of >848.2 oC is required to decompose the Maiganga coal to obtain an efficient and high energy recovery and the ignition temperature at 285 oC, maximum weight loss temperature of 310 oC, and burnout temperature of 426 oC. This study identified the Maiganga coal as Low-Rank Coal (LRC), Sub-bituminous coal and is best suited for fertilizer, chemicals, cement, and electrical power production. Other possible applications are in catalysis, glass and ceramics production, fine chemicals, and nanomaterials.
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