Quality Requirements for Standard Anthracite Coal

Coal classification includes bituminous coal, anthracite, and lignite.Standard Anthracite CoalAnthracite, also known as white coal or red coal, is a highly metamorphosed coal with a carbon content exceeding 90% and a volatile matter content below 10%. Standard anthracite is a black, hard coal with metallic luster, high density, and hardness, burning cleanly without smoke. Its fracture is shell-like, and it burns with short flames and minimal smoke, without coking or a胶质 layer. Volatile matter content exceptionally high is sometimes referred to as semi-anthracite, while exceptionally low content is called high anthracite. Anthracite classification includes: volatile matter content greater than 6.5% and less than 10% as Anthracite No. 3; volatile matter content less than 6.5% and greater than 3.5% as Standard Anthracite No. 2; and volatile matter content less than 3.5%.Standard Anthracite Coal一号标准无烟煤 - Standard Grade Anthracite Coal No. 1

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