STUDI PENURUNAN KEKERUHAN DAN TOTAL PADATAN TERSUSPENSI (TSS) PADA PENAMPUNG AIR HUJAN MENGGUNAKAN KOMBINASI GRAVITY ROUGHING FILTER DAN HORIZONTAL ROUGHING FILTER (GRF-HRF)

R. Abadi Rulian E

Abstract


Rain water is one source of raw water that can be utilized to fulfill the basic needs of communities clean water. Essentially, rain water has good quality, but it is not the case if it is housed in a rain water storage. However, by using a combination of processing technology Gravity and Horizontal Roughing Filter (GRF-HRF) is expected to increase the value of the feasibility of rainwater that can be utilized. The research was conducted to determine the feasibility of water in rainwater storage qualify as a source of clean water or drinking water, determine the level of turbidity and total suspended solids (TSS) that contained in the rainwater on the rainwater storage, determine the ability of roughing filter combination of gravity and horizontal flow capable of processing water in rainwater storage to be able to meet water quality standards.

The research method used in this study by conducting a literature review and analyzing data by using Microsoft Office Excel and SPSS 12.0. From the analysis of the data it is known that the quality of rainwater samples in the rainwater storage on Seruni Village, Musuk, Boyolali, do not qualify as a source of clean water or drinking water. It is based on a large sample test results in five different locations showed the highest level of turbidity of 76.84 NTU NTU and the lowest 23.25. While the content of total suspended solids showed the highest value of 380 mg / l and the lowest 180mg / l. Large decrease in the efficiency of turbidity in the flow variation 5ml / s is 90.67%, the variation of flow of 10 ml / s was 98.30%, and the variation of flow 15 ml / s was 87.88%. Removal efficiency of total suspended solids (TSS) on the variation of flow 5ml / s is 90.91%, the variation of flow of 10 ml / s was 98.45%, and the variation of flow 15 ml / s was 88.23%. There is the influence of variations in flow of the roughing filter efficiency performance in reducing levels of turbidity and total suspended solids.


Keywords


turbidity, total suspended solids, gravity roughing filter, horizontal roughing filter

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