细鳞片石墨的提纯研究

Purification of fine scale graphite

以攀枝花产细鳞片石墨（含碳量为94％～95％）为原料，通过化学方法使其含碳量大大提高，其最佳工艺条件为：碱熔过程反应温度600℃，时间60min，NaOH溶液与石墨比例1：0．6，NaOH浓度35％，酸解过程HCl用量为石墨质量的50％，在此条件下所制石墨纯度可达99．6％。

The fine scale graphite （carbon content 94% -95% ） was purified by chemical method to advance the carbon content. The best process conditions were as follows： alkali fusion temperature 600℃, time 60min, rate of NaOH and graphite 1：0.6, NaOH concentration 35%, content of HCl is 50% of graphite. The graphite is 99.6%.