粉煤灰中非晶相含量定量分析研究进展  

Research Progress of Quantitative Determination of the Amorphous Phase in Fly Ash

作　　者：聂轶苗 陈阳 翟培鑫 刘攀攀 王玲 刘淑贤 Nie Yimiao;Chen Yang;Zhai Peixin;Liu Panpan;Wang Ling;Liu Shuxian(School of Mining Engineering,North China University of Technology,Tangshan,Hebei,China)

机构地区：[1]华北理工大学矿业工程学院,河北唐山063210

出　　处：《矿产综合利用》2023年第1期121-126,132,共7页Multipurpose Utilization of Mineral Resources

基　　金：唐山市科技计划项目(19130223g);河北省高层次人才资助项目(A201901053);唐山市科学技术研究与发展计划项目(19150210E);河北省高等学校科学研究计划项目(QN2015091)。

摘　　要：利用粉煤灰这种工业固废制备矿物聚合材料时,其活性来源主要是处于亚稳定态的非晶相,而非晶相含量的多少与由其制备的材料性能密切相关。文中综述了目前定量分析粉煤灰中非晶相含量的常用测试方法及分析结果,重点给出了XRD-Rietveld法、选择性化学溶解法两种方法的基本原理、应用及优缺点,并提出了目前研究中存在的主要问题及可能采取的途径,为粉煤灰中非晶相定量分析提供了思路和方向。The main parameters in the control of the preparation mineral polymer using fly ash, as a byproduct of coal-fired steam powder plants, is the composition and the content of the amorphous phase in the fly ash. The popular methods to quantitative determination of the amorphous phase were summarized,especially the Rietveld X-ray powder diffraction(XRPD) method and selective chemical treatments,including their principles, merits and demerits, respectively. On the describes of these methods and its applications, the major questions and development directions were put forward, which sorting out the amorphous phase research thoughts and providing the basic direction for the amorphous phase determination of fly ash.

关 键 词：粉煤灰 非晶相 定量分析 XRD-Rietveld法 选择性化学溶解法 

分 类 号：TD985[矿业工程—选矿]