渭南市地下水氟化物分布特征及污染成因研究

Study on Distribution Characteristics and Pollution Causes of Fluoride in Groundwater of Weinan City

渭南地区大面积地下水都存在着高氟污染,地方性氟病分布广也比较广,严重地危害了当地人民的身体健康,也阻碍区内工农业的生产和发展。由于氟化物大都具有良好的水溶性,地下水中氟得以以多种化合物形式存在,对地下水的质量构成严重的威胁。采用近年来该地区地下水水质化验资料,分析其分布规律和动态变化,探究地下水氟浓度与pH值、矿化度、气候条件、水文地质条件、地质条件等因素的相关性,为研究该区地下水中氟的分布特征及其演化机制,为科学地制定高氟区治理对策提供充分的依据。

There is high fluoride pollution in large areas of groundwater in southern Anhui.The distribution of endemic fluorosis is also wide,which seriously endangers the health of local people and hinders the production and development of industry and agriculture in the region.Since most of the fluorides have good water solubility,the fluorine in the groundwater can exist in the form of various compounds,posing a serious threat to the quality of the groundwater.Based on the groundwater quality test data in this area in recent years,the distribution law and dynamic changes were analyzed,and the correlation between groundwater fluoride concentration and pH value,salinity,climatic conditions,hydrogeological conditions,geological conditions and other factors was investigated to study the groundwater in the area.The distribution characteristics and evolution mechanism of fluorine in China provide a sufficient basis for the scientific formulation of high-fluorine treatment strategies.