Gasification-grade bituminous coal
Gasification-grade bituminous coal is a specific class of coal valued for its suitability in conversion processes that produce synthesis gas (syngas) — a mixture primarily of carbon monoxide and hydrogen…
Blast-furnace injection coal
This article examines the role, characteristics, sources, economics and industrial importance of coal used for blast-furnace injection — commonly referred to as pulverized coal injection (PCI) coal. In modern ironmaking…
Hard coking blend
Hard coking blend coal plays a pivotal role in the global metals and energy complex. This specialized grade of metallurgical coal is blended and processed to produce high-strength coke, an…
Soft coking blend
Soft coking blend coals occupy a special place in the global coal and steel industries. They are neither the hardest, most strongly caking coking coals nor simple thermal coals; instead…
Super-premium coking coal
Super-premium coking coal occupies a niche but critical position in the global energy and metals complex. This special grade of coking coal is prized for its exceptional physical and chemical…
Utility-grade coal
This article examines utility-grade coal — the steam or thermal coal primarily used for large-scale electricity generation and district heating — covering what it is, where it is found and…
Mining-grade coal
This article examines mining-grade coal: its geology, types, where it occurs and is extracted, economic and statistical dimensions, industrial importance, and ongoing technological and environmental developments. The discussion covers both…
Ultra-low-mercury coal
Ultra-low-mercury coal is gaining attention as countries and industries seek ways to reduce toxic emissions from fossil fuel use while maintaining reliable energy and industrial feedstocks. This article examines what…
Low-mercury coal
This article examines the topic of low-mercury coal from geological occurrence to mining regions, market dynamics, industrial uses and environmental implications. Low-mercury coal has become an important commodity as regulators,…
Ultra-low-chlorine coal
This article explores the characteristics, distribution, industrial significance and market dynamics of ultra-low-chlorine coal. It explains why low chlorine content in coal is increasingly important for modern industry, where concerns…
