中文摘要：

采用预臭氧氧化技术与陶粒生物滤池组合工艺去除原水中消毒副产物的前体物，考察了三卤甲烷前体物和卤乙酸前体物的转化规律。试验结果表明：预臭氧氧化和生物过滤组合工艺对受污染黄河水中三卤甲烷前体物的去除效果不佳，可能会引起出水中前体物浓度的升高；该组合工艺对二氯乙酸前体物有一定的去除作用，对三氯乙酸前体物的去除效果显著。

英文摘要：

The combined process of preozonation and biological filter was applied to remove disinfection by-products in the raw water. The change of THM precursors and HAA precursors were investigated. The results show that the removal of THM precursors in the polluted water of the Yellow River by the combined process is poor, and possibly THM precursors in the effluent can be increased. However, the combined process can effectively remove TCAA precursors but only partly remove DCAA precursors.