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 graphitized product. Calcining is controlled to achieve specific characteristics.
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。
