Radiation Shielding Performance of Aggregates Made by Sludge with High Content of Heavy Metal  

作　　者：黄修林 丁庆军 

机构地区：[1]School of Materials Science and Engineering,Hubei University [2]School of Materials Science and Engineering,Wuhan University of Technology

出　　处：《Journal of Wuhan University of Technology(Materials Science)》2013年第5期980-983,共4页武汉理工大学学报（材料科学英文版）

基　　金：Funded by the National Natural Science Foundation of China(No.51272192);National "Twelfth Five-Year" Plan for Science&Technology Support(No.2011BAJ04B05-02)

摘　　要：A new method to prepare radiation shielding functional aggregate is described, and an appropriate mix ratio and a reasonable calcinated condition was engaged. The y-ray shielding capability of both the new functional aggregates and some other nature aggregates had been measured. The linear attenuation coefficients （μ, cm-1） of these aggregates had been calculated at photon energies from 1 keV to 10GeV using XCOM program, and measured at the photon energies of 662 keV, showing good agreement between experimental and calculated results. The results show that the y-ray shielding capacity of the new functional aggregates has been improved substantially compared with basalt, almost equal to serpentine and high-titanium slag, and up to 80% to barite.A new method to prepare radiation shielding functional aggregate is described, and an appropriate mix ratio and a reasonable calcinated condition was engaged. The y-ray shielding capability of both the new functional aggregates and some other nature aggregates had been measured. The linear attenuation coefficients （μ, cm-1） of these aggregates had been calculated at photon energies from 1 keV to 10GeV using XCOM program, and measured at the photon energies of 662 keV, showing good agreement between experimental and calculated results. The results show that the y-ray shielding capacity of the new functional aggregates has been improved substantially compared with basalt, almost equal to serpentine and high-titanium slag, and up to 80% to barite.

关 键 词：SLUDGE heavy metal radiation shielding aggregate 

分 类 号：X703[环境科学与工程—环境工程]