粉煤灰易溶盐浸出液制取条件的分析和确定

Analysis and Determination on Preparing Leaching Solution of Soluble Salt from Fly Ash

在采集全国火力发电厂灰场中的粉煤灰试样的基础上,分析了粉煤灰易溶盐析出离子中的主要离子占比,以及对建筑材料存在腐蚀性的主要腐蚀介质,对主要离子先后两次开展易溶盐试验,确定了易溶盐浸出液制取条件中的最佳灰水比和震荡时间,为测定对建筑材料存在腐蚀性的主要易溶盐指标含量提供了重要的试验依据。

Through collecting fly ash samples from ash storage fields of nationwide thermal power plants,both the proportions of main soluble salt ions released from fly ash and the main corrosive mediums affecting on building materials have been analyzed.Soluble salt tests on the main ions have been conducted twice to determine the optimum ash-water ratio and shaking time in preparing leaching solution of soluble salt.The study results have offered important experimental basis for determining the content of main soluble salts corroding on building materials.