不锈钢厂烟尘中铬及其他元素的分布规律  

Distribution Behavior of Chromium and Other Elements in the Stainless Steel Plant Dust

作　　者：马国军[1] 范巍[1] 徐之浩[1] 薛正良[1] 王炜[1] 苏伟厚[1] 

机构地区：[1]武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,湖北武汉430081

出　　处：《过程工程学报》2010年第S1期68-72,共5页The Chinese Journal of Process Engineering

基　　金：国家自然科学基金资助项目(编号:50804037)

摘　　要：采用SEM-EDS、XRD和XPS等技术对不锈钢厂烟尘中铬及其他元素的分布进行了研究.结果表明,在不同粒径的不锈钢厂烟尘中SiO2,Al2O3,CaO和MgO含量均随粒径的增大而增加,其他组分如MnO,ZnO,NiO,Cr2O3和Fe2O3含量随粒径的增大而减小.对烟尘的表面元素分布分析表明烟尘表面主要是由O,Fe,Zn,Cl和Si等元素组成,原子百分比浓度分别为65.2%,4.46%,5.15%,8.8%和16.39%,但烟尘表面没有检测到Cr的存在.SEM-EDS,XRD and XPS techniques were used to study the distribution behavior of chromium and other elements in the stainless steel plant dust.The results showed that the contents of SiO2,Al2O3,CaO and MgO in different particle sizes of the dust increased with the increase of the particle size of dust,while the contents of other components,such as MnO,ZnO,NiO,Cr2O3 and Fe2O3,increased with the decrease of the particle size.The distributions of surface elements of the dust showed that it mainly consisted of O,Fe,Zn,Cl and Si with the atomic concentrations of 65.2%,4.46%,5.15%,8.8% and 16.39%,respectively.However,chromium was not detected on the surface of the dust.

关 键 词：烟尘 铬 不锈钢 电弧炉 AOD炉 

分 类 号：X757[环境科学与工程—环境工程]