Abstract

Coal is a mixture of heterogeneous sedimentary rock materials; it includes organic and inorganic constituents. The utilisation potential of any coal depends on its chemical constituents, and the gross calorific value defines its usefulness in thermal power generation and other industries. In this study, we collected non-coking coal from the Singrauli coalfields region in India. These coals have been analysed for proximate and ultimate analysis and GCV (gross calorific value). The grade of coal varies from G6 to G9. De-ashing and clean coal technology are required. This study will reveal the reasons for grade variation in coal, which will be useful in thermal power industries.

Highlights

  • Different types of coal have been used as a source of energy for power generation all over the world

  • Coal is made through the bacterial decomposition of the organic elements such lignin, cuticle, bark, and stems, and it is transported by water and deposited in various basins around the planet over time[2]

  • It is a non-renewable energy source that releases a variety of hazardous gases into the atmosphere when burned[3].Coal comes in a variety of forms

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Summary

INTRODUCTION

Different types of coal have been used as a source of energy for power generation all over the world. Coal is made through the bacterial decomposition of the organic elements such lignin, cuticle, bark, and stems, and it is transported by water and deposited in various basins around the planet over time[2]. Many additional industries, such as limestone, alumina smelting, coke production, cement manufacturing, copper ore smelting, and metallurgical industries, rely on coal-fired power generation. Opencast and underground mining processes are used to mine coal, as well as peat, lignite, bituminous, and anthracite around the world It is generally found in a sedimentary formation known as a seam, where vegetation has accumulated over time and has experienced chemical and physical changes. The quantity of thermal energy (gross calorific value) determines its grade

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