Produksi Air Minum Dari Air Pdam Dengan Cara Dimasak Dan Menggunakan Metode Reverse Osmosis

Juwita Arrahma Wijayanti, Darnia Anita, Erwana Dewi, Selastia Yuliati

Sari


Water is the main requirement that humans need because 60-70% of body fluids need water to carry the remnants of metobolism, food saris, and also the body stabilizer. Bottled drinking water is a means for the body not to lack of fluids which can cause hydration in the human body. The drinking water used is the raw water from the PDAM which the water condition has been trusted and especially has been treated before flowing to the community. This study aims to make bottled drinking water using raw water from the PDAM so that the water obtained includes clean water. In this study raw water treatment will be carried out using RO (reverse osmosis) and UV lamp membranes to better ensure that the water to be sold and obtained as bottled drinking water meets the MOH Regulation No. 492 / MENKES / PER / IV / 2010. In addition, it also aims to find out which drinking water is good for sale to produce bottled drinking water both by the cooked method and using the reverse osmosis method. In drinking water treatment with RO (reverse osmosis) is done by varying the output time of the process, namely: 5 minutes, 10 minutes, 30 minutes, 45 minutes, and 60 minutes and in drinking water that is processed by cooking using a gas stove is done by varying the volume of water will be cooked namely 1 l, 2 l, 3 l, 4 l, and 5 l. The parameters tested are PH, TDS, Turbidity and the effect of UV lamps in the water treatment process with the reverse osmosition method to analyze microbes produced from the process output and analyze microbes contained in the raw water used. The results of the analysis show that bottled water treatment using RO (reverse osmosis) and boiled drinking water in the TDS parameter is 0.28 ppm, pH is 6.92 and Turbidity is 0.11 NTU and the parameter for water cooked TDS is 0.43 ppm, PH is 6.99 and turbidity of 0.81 NTU does not exceed the standard of the MOH Number 492 / MENKES / PER / IV / 2010. Economic results from prices and workers show that it is more economical to treat drinking water using RO compared to treatment with boiled water because it takes only a few workers to treat water using the RO method compared to boiled water because cooking water requires many workers. BEP (break-even point) in drinking water by processing using RO membranes and drinking water by cooking produces BEP sales that reach the break-even point and get profit is drinking water treatment with RO membrane that is BEP selling Rp. 14,596,000 with a capital of Rp. 11,096,000 obtained a profit of Rp. 3,500,000 boiled drinking water takes two boasting to get capital back.


Kata Kunci


RO membrane (reverse osmosis), bottled water, BEP.

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Referensi


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