The results showed that the leached Cr~(6+) was remained below 1.5mg/L of GB5085-1985 limits. The final detoxified slag disposal in air would be safe and stable.

• 结果表明终渣中Cr6+浸出值远低于国标GB5085-1985规定限值1.；5mg/L之下；且方法简单、成本低廉、解毒彻底；在环境中放置安全、稳定。