Abstract
Water is one of the important components of human life or other living things. With the increasing number of residents, the need for clean water has also increased. However, this increase in demand is not offset by the availability of clean water due to the lower quality of water produced by the water treatment plant. Therefore, it is necessary to do alternative water treatment so that clean water needs can be sufficient. One method of processing clean water that can be done is the Jar test method. This study aims to determine the effect of coagulant dose addition on water quality parameters including pH, turbidity, TDS and total hardness of the Manisrejo City Madiun well water sample after water treatment. The research method is carried out through three stages, namely the preparation stage, the instrument analysis stage and the experimental stage. Where the type of coagulant used is Poly Aluminum Chloride (PAC). From the research that has been done, the optimum PAC coagulant dose is 43 mg / l. The conclusion obtained in this study is that the greater the coagulant dose added to the water sample, the smaller the pH value, the value of turbidity, the TDS value and the total hardness of the water sample.
Highlights
Nur Ihda Farikhatin Nisa, Achmad Aminudin Pengaruh Penambahan Dosis Koagulan terhadap Parameter Kualitas Air dengan Metode Jartest analysis stage and the experimental stage
This study aims to determine the effect of coagulant dose addition on water quality parameters including pH, turbidity, Total Dissolved Solids (TDS) and total hardness of the Manisrejo City Madiun well water sample after water treatment
Review on Chemical treatment of Industrial Waste Water
Summary
Air merupakan salah satu komponen penting dalam kehidupan manusia ataupun makhluk hidup lainnya. Dengan semakin banyaknya jumlah penduduk, maka kebutuhan akan air bersih juga mengalami peningkatan. Peningkatan kebutuhan ini tidak diimbangi dengan ketersediaan air bersih yang disebabkan oleh semakin rendahnya kualitas air yang dihasilkan oleh unit instalasi pengolahan air. Salah satu kelurahan di kota ini adalah kelurahan Manisrejo. Seluruh kebutuhan air bersih diperoleh dengan memanfaatkan sumur dalam sebagai satusatunya sumber air baku (Kusumawardani & Astuti, 2018). Air yang digunakan warga seharihari bisa berasal dari PDAM atau langsung dari sumur yang kualitas airnya tidak sesuai dengan baku mutu yang disyaratkan untuk air minum. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan dosis koagulan PAC terhadap parameter kualitas air yang terdiri dari parameter pH, turbidity, TDS dan total hardness dari sampel air Manisrejo sesudah proses pengolahan air
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