G-grade coal
This article examines the properties, distribution, economic role and industrial significance of a category frequently referred to as G-grade coal. The term can have several meanings depending on national standards…
Why Coal Remains Controversial in Climate Discussions
The significance of coal extends far beyond its role as a simple energy source. From powering the early steam engines of the Industrial Revolution to generating electricity in modern power…
PCI coal (Pulverized Coal Injection)
The following article examines pulverized coal injected into blast furnaces — commonly known as PCI (Pulverized Coal Injection) coal — covering its geological occurrence, mining regions, technical characteristics, economic and…
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