Calcined anthracite coal is one kind of carbon raiser，it is produced when anthracite is calcined under the temperature of 1200-1400C in vertical shaft furnaces to obtained a devolatized and partially gratized product. Calcining is controlled to achieve specific characteristics.    Â
Raw materials for Calcined Anthracite are selected carefully from TaiXi Anthracite Coal which is well-known for its low ash, low sulfur content in Ningxia Province and are processed by floatation before calcining。 Â
