粉煤灰-碳酸钠活化工艺的实验研究  

Study on the process of activating fly ash by sodium carbonate

作　　者：缪应菊[1] 刘学院 周钰[1] 连明磊[1] 

机构地区：[1]六盘水师范学院化学与化学工程系,贵州六盘水553004

出　　处：《应用化工》2016年第1期97-100,共4页Applied Chemical Industry

基　　金：贵州省教育厅自然科学研究项目(黔教合KY字[2013]201);贵州省教育厅高等学校创新人才团队(黔教合人才团队字[2014]46);贵州省教育厅特色重点实验室[黔教高发2011-278];贵州省科技厅资助项目(黔科合J字LKLS[2013]25)

摘　　要：以碳酸钠为活化剂活化粉煤灰,考察碳酸钠和粉煤灰体系的含水量、粒度、质量配比、升温方式、放置位置、活化温度、活化时间对活化效果的影响,通过焙烧样品的烧结情况、质地、是否易取、酸浸分解率进行评价。结果表明,以碳酸钠活化粉煤灰,活化温度和体系质量配比是引起体系烧结的主要因素;将140~160目的绝干物料按质量比1：1.2配料后混合均匀,800℃焙烧2 h,分解率可达97.34%,且样品质地蓬松,易取出。Using sodium carbonate as activator. The influence of the water content,particle size,mass ratio of sodium carbonate and fly ash,and the heating mode,the location,the activation temperature and activation time on activation effect were investigated,and evaluation of activation effect by the sintering conditions,texture,whether the texture,the extraction rate of the acid leaching rate. The results show that using sodium carbonate as activating agent of fly ash were activated in the process of activation temperature and the ratio of quality system is caused by sintering system of the main factors; 140 ~ 160 mesh objective vast dry material according to quality than 1：1. 2 ingredients mixed evenly,into the heated to 800 ℃ muffle furnace central baking 2 h,decomposition rate can reach 97. 34% and fluffy like quality,easy remove.

关 键 词：粉煤灰 碳酸钠 活化 

分 类 号：TQ021[化学工程] TQ027