高炉瓦斯灰综合回收利用及再资源化的研究

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基金项目:

2013年河北省高等学校技术研究项目（编号：Z2013094）。

Research on Comprehensive Recycling of Blast Furnace Dusts

1. Tangshan Vocational College of Science and Technology, Tangshan 063000, Hebei, China;
2. Institute of Process Engineering of Chinese Academy of Sciences, Beijing 100190, China;
3. Tangshan Research and Commercialization Center for High-tech of Chinese Academy of Sciences, Tangshan 063000, Hebei, China

摘要: 在分析唐山地区高炉瓦斯灰特性的基础上，提出一种高炉瓦斯灰综合回收利用及再资源化的工艺流程，并通过一系列试验对该工艺流程进行了验证。试验结果表明，该工艺不但能够有效地利用高炉灰中的Fe、C等元素，而且能够把高炉瓦斯灰中K、Na、Pb、Zn等有色金属进行烟气富集，并通过多段湿法工艺分离提取出来，实现了高炉灰的再资源化综合利用。此项技术是对高炉瓦斯灰综合、高效利用的较佳途径。
- 高炉瓦斯灰 /
- 综合回收 /
- 有色金属挥发 /
- 有色金属提取
Abstract: In this article,based on analysis on properties of blast furnace dusts in Tangshan,a process for comprehensive recycling of blast furnace dusts is put forward and validated through a range of tests.The results show that in the process,blast furnace dusts including Fe and C can be effectively recycled,and non-ferrous metals such as K,Na,Pb,and Zn can also be separated and collected through multistage hydrometallurgical process,which realizes the comprehensive utilization of blast furnace dusts. The researches prove that it is the best way to utilize blast furnace dusts.
- blast furnace dust /
- comprehensive recycling /
- volatility of non-ferrous metal /
- collection of non-ferrous metal