Brackish Water Treatment With Sustainable Local Materials

Hermawan, Surya and Tjahyana, Angela Jasmine Tanya (2023) Brackish Water Treatment With Sustainable Local Materials. [UNSPECIFIED]

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Abstract

Abstract. Water is a natural resource that has a very important function for all living things. However, 97.2% of the water on earth cannot be consumed. In 2019, according to the Central Statistics Agency, Indonesia reached 89.27% of access to clean water. It means that there are still some areas that still lack clean water. Likewise, the area of Tegal Sari, Kupang Village, Jabon District, Sidoarjo Regency, East Java Province, where the area is experiencing problems with brackish well water. This research aims to find the right sustainable material ratio that can be used at the research location as brackish water treatment. The research method used is the experimental method to determine the effect of treatment on the test object. The treatment carried out is by flowing water through activated carbon, kaolin, sand, or gravel with a certain ratio to make the power of hydrogen (pH), total dissolved solids (TDS), and electrical conductivity (EC) of water according to WHO standards. Based on the experiment, it is known that the use of the material can reduce the pH, TDS, and EC of brackish water. The best results from the experiments carried out were a decrease in pH from 8.18 to 7.77, TDS from 2870 ppm to 1389 ppm, and EC from 5790 ms/cm to 2770 ms/cm with a ratio of 1 tube of kaolin, 1 tube of activated carbon and gravel sand gravel ratio 1: 3: 1 in 1 tube and aquarium.

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