Analysis of Brackish Water Salinity Reduction in Sungsang Coastal Area Using Adsorption With Zeolite,  Powder and Activated Carbon

Tantriana; Atina; Rita Sulistyowati

doi:10.31851/jupiter.v8i1.22073

Authors

Tantriana Department of Physics, Faculty of Science and Technology, Universitas PGRI Palembang
Atina Department of Physics, Faculty of Science and Technology, Universitas PGRI Palembang
Rita Sulistyowati Department of Physics, Faculty of Science and Technology, Universitas PGRI Palembang

DOI:

https://doi.org/10.31851/jupiter.v8i1.22073

Keywords:

Adsorption, salinity, zeolite, Cuttlebone bone powder, activated carbon.

Abstract

The availability of clean water in the coastal area of Sungsang is challenged by seawater intrusion and limited water treatment infrastructure. This study analyzed the effectiveness of an adsorption method using zeolite, Cuttlebone powder, and activated carbon to reduce salinity as a simple, low-cost, and environmentally friendly treatment alternative. The research employed an experimental laboratory method. Variables included contact time (20, 40, 60, 80, 100, and 120 minutes), zeolite-to- powder ratios (1:1, 1:2, 1:3, 1:4, and 1:5), and activated carbon masses (2, 4, 6, 8, 10, and 12 grams). All adsorbents were activated at 250°C for 1 hour. Salinity reduction and efficiency were measured using a Salinity Meter (AR-8012). The optimum contact time for zeolite and powder was 80 minutes, achieving efficiencies of 58.80% and 54.81%, respectively. The optimum adsorbent ratio was 1:2, with an efficiency of 61.46%. The addition of 10 grams of activated carbon produced the highest efficiency of 73.05% and reduced salinity by 21.9 ppt. These findings demonstrate that the adsorbent combination effectively reduces salinity and offers a practical, economical, and environmentally friendly option for brackish water treatment.

Keywords: Adsorption, salinity, zeolite, cuttlefish bone powder, activated carbon.

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