Abstract:

The research progress of the utilization of fly ash with high concentration alumina is reviewed. After a summary of properties of fly ash with high concentration alumina，the main methods of utilizationof sintering，acid，alkali，acid and alkali combination method are introduced. The processes，products of the four methods and the research status are described. Advantages and disadvantages of various methods are pointed out and corresponding solutions are proposed.

摘要：

综述了近年来我国高铝粉煤灰精细化利用研究进展。在总结高铝粉煤灰性质的基础上，归纳概括了目前精细化利用的主要工艺方法：石灰石烧结法、酸溶出法、碱溶出法、酸碱联合法。介绍了4种方法的主要工艺实现途径、主要产品以及研究现状，并指出了各种方法的优缺点以及改进和发展方向。