以粉煤灰提硅液为原料制备纳米氧化铁工艺的研究进展

Research Progress on Preparation of Nano Iron Oxide by Using Fly Ash as Raw Material

氧化铁这种材料的成本比较低廉,对环境造成的污染比较小,且具有很强的抗腐蚀性以及稳定性,在催化剂、磁记录介质、颜料、磁性涂料以及气体传感器等领域得到了广泛的应用。介绍了以粉煤灰提硅液为原料制备纳米氧化铁的研究进展及所需的工艺,并且对各种制备方法存在的优缺点做分析和比较,展望了制备纳米氧化铁的未来方向。

The cost of this material is relatively low, environmental pollution is relatively small, and has a strong corrosion resistance and stability in the catalyst, magnetic recording media, pigments, magnetic coatings and gas sensors and other fields have been widely application. In this paper, the progress of the preparation of nanometer ferric oxide by using fly ash and the preparation of nanometer iron oxide are introduced. The advantages and disadvantages of various preparation methods are analyzed and compared, and the future direction of preparation of nanometer iron oxide is prospected.