The Effectiveness of Seaweed and Coconut Fiber Combination as Adsorbents for Wastewater Treatment in Weaving Home Industries in Nusa Penida, Klungkung, Bali: A Study on BOD, COD, and DO Quality

Cokorda Dewi Widhya Hana Sundari, Ida Ayu Made Sri Arjani, I Wayan Karta, Surya Natallia Bryan

Abstract


The wastewater generated from the Cepuk weaving process in Nusa Penida poses significant environmental challenges, necessitating appropriate treatment before discharge. This study assesses the effectiveness of seaweed powder (SWP) and coconut husk powder (CHP) as adsorbents for treating wastewater from the Cepuk weaving industry. Changes in water quality were evaluated through the measurement of Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD), and Dissolved Oxygen (DO) levels before and after the adsorption process. Filtration and adsorption were conducted by constructing a basin to channel wastewater to the adsorbent media arranged according to treatment variations. The results indicated that the combination of seaweed powder and coconut husk powder effectively reduced BOD and COD levels while enhancing DO concentrations in the wastewater from the Cepuk dyeing process. The variation with a thickness of adsorbents in combination T3 (40 cm SWP: 20 cm CHP) yielded the best results compared to T1 and T2. The absorption efficiency of colorants and organic substances present in the textile waste improved with increasing adsorbent thickness. Further research on other factors influencing BOD, COD, and DO, such as adsorbent ratios, flow rates, and environmental conditions, may be necessary to optimize the application of these adsorbents.


Keywords


wastewater treatment, BOD, COD, DO, adsorben, seaweed, coconut husk

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DOI: https://doi.org/10.33992/icmahs.v2i1.3686

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