By means of optical microscopy analysis system,the effect on the particle size of clay in high-salt and high-iron water caused by concentration of NaCl,CaCl_2,Fe~(2+) and adding volume of H_2O_2 was investigated.

• 应用显微图象分析系统,研究了水中NaC l、CaC l2、Fe2+等对黏土颗粒粒径中值的影响。