HPCL - The quality of coal is determined by the carbon percentage in it. Anthracite is the highest ranked coal and it happens to be rare, representing almost 1% of the world's
![Anthracite coal. Anthracite is the hardest type of coal with the highest carbon content. As it has few impurities, it burns with a clean flame, and so Stock Photo - Alamy Anthracite coal. Anthracite is the hardest type of coal with the highest carbon content. As it has few impurities, it burns with a clean flame, and so Stock Photo - Alamy](https://l450v.alamy.com/450v/2adfkt5/anthracite-coal-anthracite-is-the-hardest-type-of-coal-with-the-highest-carbon-content-as-it-has-few-impurities-it-burns-with-a-clean-flame-and-so-2adfkt5.jpg)
Anthracite coal. Anthracite is the hardest type of coal with the highest carbon content. As it has few impurities, it burns with a clean flame, and so Stock Photo - Alamy
![Carbon content in relation to reflectance of macerals 1 from lignite to... | Download Scientific Diagram Carbon content in relation to reflectance of macerals 1 from lignite to... | Download Scientific Diagram](https://www.researchgate.net/publication/280309712/figure/fig1/AS:525951772696576@1502408082148/Carbon-content-in-relation-to-reflectance-of-macerals-1-from-lignite-to-anthracite-rank.png)
Carbon content in relation to reflectance of macerals 1 from lignite to... | Download Scientific Diagram
![Anthracite. Anthracite is a hard, lustrous variety of coal with a very high carbon content that releases very little tarry or other hydrocarbon vapour Stock Photo - Alamy Anthracite. Anthracite is a hard, lustrous variety of coal with a very high carbon content that releases very little tarry or other hydrocarbon vapour Stock Photo - Alamy](https://c8.alamy.com/comp/2AD373P/anthracite-anthracite-is-a-hard-lustrous-variety-of-coal-with-a-very-high-carbon-content-that-releases-very-little-tarry-or-other-hydrocarbon-vapour-2AD373P.jpg)
Anthracite. Anthracite is a hard, lustrous variety of coal with a very high carbon content that releases very little tarry or other hydrocarbon vapour Stock Photo - Alamy
![Do the different types of coal (such as anthracite, lignite, and bituminous) have different amount of energy? | Socratic Do the different types of coal (such as anthracite, lignite, and bituminous) have different amount of energy? | Socratic](https://useruploads.socratic.org/heIFOg8HTWC0omm2NVsA_coal-as-energyresource-6-638.jpg)
Do the different types of coal (such as anthracite, lignite, and bituminous) have different amount of energy? | Socratic
![Fixed Carbon Content 85% Anthracite Coal Water Filter Media with Factory Price - China Anthracite, Hard Coal | Made-in-China.com Fixed Carbon Content 85% Anthracite Coal Water Filter Media with Factory Price - China Anthracite, Hard Coal | Made-in-China.com](https://image.made-in-china.com/2f0j00zpGbKRaIsocC/Fixed-Carbon-Content-85-Anthracite-Coal-Water-Filter-Media-with-Factory-Price.webp)
Fixed Carbon Content 85% Anthracite Coal Water Filter Media with Factory Price - China Anthracite, Hard Coal | Made-in-China.com
![Subbituminous and bituminous coal dominate U.S. coal production - U.S. Energy Information Administration (EIA) Subbituminous and bituminous coal dominate U.S. coal production - U.S. Energy Information Administration (EIA)](https://www.eia.gov/todayinenergy/images/2011.08.16/coalpiesp2.png)
Subbituminous and bituminous coal dominate U.S. coal production - U.S. Energy Information Administration (EIA)
![1-5mm 90-95% Carbon Content Anthracite Carburetant for Steel Making - China Graphitized Petroleum Coke, Calcined Petroleum Coke | Made-in-China.com 1-5mm 90-95% Carbon Content Anthracite Carburetant for Steel Making - China Graphitized Petroleum Coke, Calcined Petroleum Coke | Made-in-China.com](https://image.made-in-china.com/202f0j00RGfYpUlzDHor/1-5mm-90-95-Carbon-Content-Anthracite-Carburetant-for-Steel-Making.webp)
1-5mm 90-95% Carbon Content Anthracite Carburetant for Steel Making - China Graphitized Petroleum Coke, Calcined Petroleum Coke | Made-in-China.com
![Carbon content in relation to reflectance of macerals 1 from lignite to... | Download Scientific Diagram Carbon content in relation to reflectance of macerals 1 from lignite to... | Download Scientific Diagram](https://www.researchgate.net/publication/272241075/figure/fig1/AS:306611974361088@1450113399097/Carbon-content-in-relation-to-reflectance-of-macerals-1-from-lignite-to-anthracite.png)