Abstract
This work illustrates the production and characterization of metallurgical coke from Duduguru coal, Obi local Government Area of Nasarawa State, Nigeria. The analytical assessment of properties such as proximate analysis, elemental composition, and calorific value are very important to know the coking qualities of the coal. The proximate analysis showed that the moisture content, ash content, volatile matter, fixed carbon and calorific values of the coal are; 1.86%, 18.82%, 43.74%, 53.58% and 5405.15 Cal/g respectively. Based on the result of the proximate analysis, the coal is of good metallurgical coke quality from an industrial prospective and heat generation is to be considered. Elemental analysis shows that due to the low heavy metals, low sulfur content and ash content of the coal, utilization of the coal within a safe environment is feasible with just a little environment impact and make it suitable for blending with strong coking or caking properties. Â
Highlights
Coal is a fossil fuel formed from the remains of plants that lived and died hundreds of millions years ago, when parts of the earth were covered with huge swampy forest
It could be observed from this study that Duduguru coal sample collected for the study contained low percentage of moisture and ash content, a moderate percentage of fixed carbon, high percentage of volatile and high calorific value
The Duduguru coal sample fell within the rank of moderate volatile bituminous coal based on the value of its fixed carbon, volatile matter and heating value
Summary
Coal is a fossil fuel formed from the remains of plants that lived and died hundreds of millions years ago, when parts of the earth were covered with huge swampy forest. It is an organic, black combustible sedimentary rock that contains mineral or inorganic materials (Neksumi et al, 2018). Metallurgical coke is a heterogeneous, porous, brittle solid, used primary in iron and steel production It is a macro porous carbon material of high strength produced by carbonization of coals of specific rank or of coal blends at temperatures up to 1400k (Rymshak and Jauro, 2013, Diez, et al, 2002). Some parameters are used to determine the coking quality of the coal such as proximate analysis and elemental composition
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