红外光谱分析淮南煤灰中矿物组成  

Study on mineral composition of Huainan coal ash with FTIR

作　　者：孙文娟[1] 李寒旭[1] 武成利[1] 梁国治[1] 

机构地区：[1]安徽理工大学化学工程系,安徽淮南232001

出　　处：《应用化工》2005年第10期644-646,共3页Applied Chemical Industry

基　　金：安徽教委自然科学基金资助项目(2004KJ125);淮南市重大科技项目(2003001)

摘　　要：选取淮南矿区HN115与HN119两种煤样,在氧化性气氛下,制成815℃煤灰。利用红外光谱研究了其矿物质组成以及煤中添加不同比例助熔剂CA后矿物组成的变化。结果表明:淮南煤灰中,矿物质组成为石英、硬石膏、方解石、高岭土和赤铁矿,其中硬石膏和方解石含量较低。煤中添加助熔剂CA后,煤灰中硬石膏含量增加,并且随着助熔剂CA量的不断增加,方解石含量在不断减少,硬石膏含量在不断增加。In order to test the mineral composition of Huainan coal ash, the coals of HN115 and HN119 of Huainan are selected to burn into ashes at 815℃ in oxidizing atmosphere. The mineral composition and mineral transformation of Huainan coal ashes were studied by FTIR. The results show that the mineral composition of Huainan coal ashes are mainly quartz, anhydrite, calcite, kaolinite and hematite. The content of anhydrite and calcite is lower. The content of anhydrite will increase with the addition of flux CA while the content of calcite will decrease.

关 键 词：煤灰 矿物质 助熔剂 红外光谱 

分 类 号：TQ533.6[化学工程—煤化学工程]