Maulana, Fauzi
(2021)
Studi Awal Pemanfaatan Biji Asam Jawa (Tamarindus Indica) Dan Biji Kecipir (Psophocarpus Tetragonolobus) Sebagai Koagulan Untuk Koagulasi Limbah Cair.
Other thesis, Universitas Islam Riau.
Abstract
Liquid waste in the form of formation water is residual material that results from an activity and process of oil and natural gas production. The impact of this waste water greatly affects the surrounding environment. Liquid waste generated from oil processing usually still contains substances that are very dangerous to the environment such as oil, which is poisonous to living things. Apart from that, other important parameters such as pH, Total Dissolved Solid (TDS) and turbidity are important for determining a lot of contens in waste water. So that these parameters must be eliminated in such a way as according to the standards of the Minister of Environment Regulation No. 19 of 2010 so that the waste is suitable for disposal into the environment. The coagulation method is a method that is often applied in formation water treatment. However, coagulants that are commonly used in the oil and gas industry, such as alum, which are synthetic, are generally less environmentally friendly and cause a lot of new residues. So other alternatives to coagulants and synthetics are utilizing biocoagulants derived from materials available in nature. One of these natural ingredients is in the form of tamarind seeds (Tamarindus indica) and winged bean seeds (Psophocarpus Tetragonolobus) which are proven to have useful ingredients in improving the quality of formation water. The use of the Jar Test was carried out as a standard test to test the effectiveness of the biocoagulants produced. From the research that has been done, it is found that the best tamarind formulation is with a mass of 7 g which is able to meet the required pH (6-9) of 6.3, and the required TDS (<4000 ppm) of 597 ppm, while in oil and fat even though not in accordance with the set standards (<25 ppm) but the efficiency obtained is high from 1554 ppm to 205 ppm. Whereas in the formulation of winged bean seeds, the best mass obtained was 7 grams, with the TDS value reduced from 1554 ppm to 743 ppm and although the pH and Oil and Fat values were still not up to standard but the effect caused by winged bean seeds was quite efficient for reducing oil and grease content.
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