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[目的]探讨攀枝花市城市生活饮用水水源金沙江攀枝花段江水中铁含量变化趋势。[方法]1998~2007年于枯水期、丰水期分别对8个大水厂的水源水进行检测。[结果]检测的所有水样中铁含量均超过集中式供水饮用水地表水源地铁含量限值(≤0.3 mg/L)。8个水厂水源水1998~2007年各年均值,枯水期为(0.68~1.36)mg/L,丰水期为(5.99~13.31)mg/L;各水厂10年均值,枯水期为(0.62~1.46)mg/L,丰水期为(7.44~9.64)mg/L),均有在金沙江穿越城市过程中从上游至下游逐渐增高的趋势(P<0.01)。全部水样均值,丰水期为(8.55±2.32)mg/L,枯水期为(0.92±0.38)mg/L(P<0.01)。[结论]攀枝花市各水厂来自金沙江的水源水铁含量均超过国家标准,随着城市工业化的发展水源水中铁含量随之升高。
[Objective] To explore the trend of iron content in Panzhihua section of the Jinsha River, an urban drinking water source in Panzhihua City. [Method] From 1998 to 2007, water source water of 8 large waterworks were tested in dry season and wet season respectively. [Result] The content of iron in all the water samples tested exceeded the limit (≤0.3 mg / L) of subway content of surface water source of centralized water supply and drinking water. The average water consumption of 8 water plants was between 1998 and 2007, with dry season being (0.68 ~ 1.36) mg / L and wet season being (5.99 ~ 13.31) mg / L; 1.46) mg / L, and the wet season (7.44 ~ 9.64) mg / L), all increased gradually from upstream to downstream during the Jinsha River crossing the city (P <0.01). The average of all water samples was (8.55 ± 2.32) mg / L in wet season and (0.92 ± 0.38) mg / L in dry season (P <0.01). [Conclusion] The iron and iron contents of water sources in the waterworks of Panzhihua City exceeded the national standards. With the development of urban industrialization, the iron content of water sources increased.