SHOWER UNTUK PENURUNAN KADAR BESI (Fe) AIR TANAH

Anif Nur Fauziah Arin, Sri Poerwati, Karno
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Abstract

Ground water that is consumed as drinking water is water which has passed processing system or water which has not passed any process that meets the healthstandard/requirements and can be consumed/drunk directly. Drinking water that fulfills the requirements according to the minister of health no 492 of 2010 has the maximum limit of iron (Fe) content which is 0.3 mg/l. The iron (Fe) content of ground water for drinking water in this research location exceeds the established quality standards, which yields 1,20 mg/.The objective of this research is to measure the iron content (Fe) before and after the treatment with the shower by using several variations of height 30 cm, 50 cm, 160 cm.Sampling method applied in this research was the grab sample with 9 times of replication and analyzed by using the Friedman statistic test. And the laboratory tests were carried out by using spectrophotometry.The results of laboratory examinations of iron (Fe) levels in ground water for drinking water after treatment using a shower with a height variation of 30 cm has reduced the iron content.in groundwater by 30.45%, height variation of 50 cm has reduced the iron (Fe)content in groundwater for drinking water which was 50.45%, and a height variation of 160 cm has effectively reduced iron (Fe) level by 80.75% which was the most effective height in reducing iron (Fe) levels. The results obtained have met the quality standards set by Minister of Health No. 492 In 2010. The results of the Friedman Statistical Test showed that there were differences in the decrease in iron (Fe) levels with the use of a circularshower with variations in height of 30 cm, 50 cm and 160 cm, so the hypothesis wasaccepted. In this research, the most effective height can be found by increasing the height of the shower and adding a longer contact time.
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作为饮用水饮用的地下水,是指经过处理系统处理的水或没有经过任何符合卫生标准/要求的工序,可以直接饮用的水。符合卫生部2010年第492号法令要求的饮用水,铁(Fe)含量的最高限制为0.3毫克/升。该研究地点饮用水的地下水铁(Fe)含量超过了既定的质量标准,其产量为每120毫克。本研究的目的是通过使用30厘米,50厘米,160厘米的几种高度变化来测量淋浴前后的铁含量(Fe)。本研究采用的抽样方法为9次重复的抓取样本,采用Friedman统计检验进行分析。并采用分光光度法进行了实验室测试。在使用高度变化30厘米的淋浴处理后,对饮用水地下水中的铁(Fe)水平进行实验室检查的结果降低了铁含量。地下水中铁(Fe)含量降低30.45%,50 cm高度变化使饮用水中铁(Fe)含量降低50.45%,160 cm高度变化使铁(Fe)含量有效降低80.75%,是降低铁(Fe)含量最有效的高度。所获得的结果符合2010年卫生部第492号文件规定的质量标准。弗里德曼统计检验的结果表明,在使用30厘米、50厘米和160厘米高度的圆形淋浴器时,铁(Fe)水平的下降是不同的,因此假设被接受。在这项研究中,可以通过增加淋浴的高度和增加接触时间来找到最有效的高度。
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