Gasification of Coal

Gasification of coal is a high temperature process which is developed to produce a fuel gas with minimal of liquid and solids. Coal Gasification take place in a gasifier, generally in a high temperature vessel where oxygen and steam directly contracted with the coal causing a series of chemical reactions to occur that convert the feed to syngas and ash. Syngas is composed primarily of the colourless highly flammable gases carbon monoxide (CO) and Hydrogen (H2).  Coal Gasification is considered as a partial oxidation process.

Applications of Coal Gasification:-

¨ One of the most abundant energy sources

¨ Can be used to produce ultra-clean fuel

¨ Leading source of electricity today

¨ Chemical Production (Methanol, ammonia, acetic acid etc)

¨ Hydrogen made from coal or other solid fuels can be used to refine oil, or to make products such as ammonia and fertilizer (urea).

¨ By product of burning (ash or slag) can be used for concrete and roadways

Gasification is attractive for its simple but brutal operation. Higher efficiency, cleaner output and more control over products can only help the economics. As other sensor technologies are introduced gasification could be a leading refining technique for a wide range of raw materials from trash to cultivated biomass and on to coal. Gasification might not be elegant – but the process enjoys the leading spot for going to commercial scale in today’s market for synthetic fuel process. Particularly in clean generation of electricity from coal, gasification may make an increasingly important part of the world’s energy and industrial markets.

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