摘要
目的研究传统处理工艺对江门市6家自来水厂水源水中氟化物、硝酸盐、铁、锰、氯化物、硫酸盐和耗氧量等的影响，以探讨生活饮用水传统处理工艺对水源水中常规化学物质的处理效果，为选择水处理工艺提供科学依据。方法分析2008～2012年采用传统水处理工艺的6家自来水厂水源水和出厂水中7种化学物质的检测数据。结果6家自来水厂水源水和出厂水中氟化物的含量差异均无统计学意义（P〉O．05），有1家自来水厂水源水和出厂水中硝酸盐的含量差异有统计学意义（P〈O．05），6家自来水厂水源水和出厂水中铁的含量差异有统计学意义（P〈O．05），有3家自来水厂水源水和出厂水中氯化物的含量差异有统计学意义（P〈O．05），有4家自来水厂水源水和出厂水中锰的含量差异有统计学意义（P〈O．05），有5家自来水厂水源水和出厂水中的耗氧量差异有统计学意义（P〈O．05）。结论生活饮用水传统处理工艺可以降低水源水中的铁、锰和耗氧量，增加氯化物的含量，对氟化物、硝酸盐和硫酸盐无明显去除作用。
Objective To research the impact of conventional water treatment process on fluoride,nitrate,iron,man- ganese,chloride,sulfate and oxygen consumption of source water and to explore the treatment effect of traditional domes- tic and drinking water treatment technology on conventional chemical substances of source water,and provide the scien- tific basis for selecting treatment process. Methods The test data of fluoride,nitrate and iron,etc of source water and finished water of six waterworks which adopt conventional water treatment process were analyzed. Results There were not significant differences in the content of fluoride between source water and finished water of six waterworks（P〉0.05）. There was significant difference in the content of nitrate between source water and finished water of one waterwork （P〈 0.05）.There were significant differences in the content of iron between source water and finished water of six water- works（P〈0.05）.There were significant differences in the content of chloride between source water and finished water of three waterworks（P〈0.05）.There were significant differences in the content of manganese between source water and fin- ished water of four waterworks（P〈O.O5）.There were significant differences in the content of oxygen consumption between source water and finished water of five waterworks （P〈0.05）. Conclusion Contents of iron,manganese and oxygen con- sumption of source water are decreased after the conventional domestic drinking water treatment process,and content of chloride is increased,and there are not significant impact on fluoride,nitrate and sulfate in source water
出处
《中国当代医药》
2014年第3期129-133,共5页
China Modern Medicine
关键词
水源水
出厂水
传统处理工艺
氟化物
硝酸盐
铁
锰
Source water
Finished water
Conventional water treatment process
Fluoride
Nitrate
Iron
