CD Skripsi
Pengaruh Tinggi Unggun Karbon Aktif Dan Pasir Kuarsa Pada Saringan Pasir Lambat Untuk Penyisihan Logam Fe, Cod, Dan Kekeruhan Pada Air Sungai Siak
One of the treatments to reduce levels of pollutants in river water is by using a slow sand filter using quartz sand and activated carbon. This research aims to determined the effect of high activated carbon and quartz sand as well as the best sampling time with the efficiency of removal of Fe, COD, and turbidity parameters in slow sand filters, and compared the quality standards of PP No. 82 of 2001 and RI Minister of Health Regulation No.416 / MENKES / PER / IX / 1990. The fixed variable uses in this research is the velocity of water flow on the sand filter is slow 0.3 m / hour and the sampling time is 0, 15, 30, 45, 60. The changeable variable uses consists of variations in bed height in the reactor namely : 10 cm gravel, 50 cm quartz sand, and 20 cm activated carbon; 10 cm gravel, 60 cm quartz sand, and 10 cm activated carbon; and 10 cm gravel, 70 cm quartz sand, and no activated carbon. Based on the results of the research after the slow sand filtering process obtained the best removal efficiency in reactor 1 for 60 minutes, namely increasing the pH to 7.8, the efficiency of removal of Fe metal by 97.52% and COD at 80.45%, while for the turbidity parameters the best removal efficiency occurred in reactor 3 which was 97.85% with a time of 60 minutes.
Keywords: Siak River, Slow Sand Filter, activated carbon, quartz sand, Fe metal removal, COD, turbidity.
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