| 摘要 |
The present invention relates to a purification method to obtain high purity graphite with 99.9999999% purity grade, which comprises: a physical pulverization step to pulverize a graphite-containing mineral into a particular size; and a separation step to inject the pulverized substance obtained from the physical pulverization step into a tank storing ionic water and obtain high purity graphite by increasing the temperature. The graphite purification method of the present invention does not generate harmful substances by avoiding an acid treatment method conventionally performed, and can simply and easily separate high purity graphite. |
