The influence of roasting temperature,time,atmosphere and organics in stone coal,percentage of additive (NaCl),particle size of stone coal sample on leaching rate of vanadium are studied.

• 研究了焙烧对从方山口石煤中提钒的影响。考察了焙烧温度、入炉温度、有机质、添加剂氯化钠用量、焙烧时间、焙烧气氛和矿样粒度对钒浸出率的影响。