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The wet processing stages in the batik industry generate wastewater with elevated concentrations of dyes, chemical oxygen demand (COD), biological oxygen demand (BOD), total dissolved solids (TDS), total suspended solids (TSS) and persistent pollutants due to extensive water and chemical usage. The preservation of water resources is imperative, necessitating a cost-effective and eco-friendly approach to enhance the quality of batik wastewater. This study explores the efficiency of indigenous strains S1 and S2, isolated from batik wastewater, in decolorizing dye-containing batik wastewater. Decolorization experiments were conducted at 37 ℃, employing both static and shaking conditions without adjusting the pH. The results revealed a preference for shaking conditions in both strains. Notably, strain S2 demonstrated significant promise, achieving a decolorization rate of 58.64 ± 1.23% after a 3-day incubation period, showcasing an 86% higher decolorization capacity compared to strain S1. Hence, this indigenous strain, showcasing Malaysia's biodiversity, stands as a competent biocatalyst for the effective treatment of batik wastewater. Further study will be carried out by identifying strain S2 using genetic tools and improving its potential for batik wastewater decolorization through optimization of culture conditions, namely temperature and pH.

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Isolation and Characterization of Indigenous Microbial Strains from Batik Wastewater: Unveiling Their Potential for Enhanced Wastewater Treatment

  • 会议论文

  • 发表日期：

    2025年

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  • Maegala Nallapan Maniyam,
  • Primeela Gunalan,
  • Hazeeq Hazwan Azman,
  • Hasdianty Abdullah,
  • Nor Suhaila Yaacob

摘要

The wet processing stages in the batik industry generate wastewater with elevated concentrations of dyes, chemical oxygen demand (COD), biological oxygen demand (BOD), total dissolved solids (TDS), total suspended solids (TSS) and persistent pollutants due to extensive water and chemical usage. The preservation of water resources is imperative, necessitating a cost-effective and eco-friendly approach to enhance the quality of batik wastewater. This study explores the efficiency of indigenous strains S1 and S2, isolated from batik wastewater, in decolorizing dye-containing batik wastewater. Decolorization experiments were conducted at 37 ℃, employing both static and shaking conditions without adjusting the pH. The results revealed a preference for shaking conditions in both strains. Notably, strain S2 demonstrated significant promise, achieving a decolorization rate of 58.64 ± 1.23% after a 3-day incubation period, showcasing an 86% higher decolorization capacity compared to strain S1. Hence, this indigenous strain, showcasing Malaysia's biodiversity, stands as a competent biocatalyst for the effective treatment of batik wastewater. Further study will be carried out by identifying strain S2 using genetic tools and improving its potential for batik wastewater decolorization through optimization of culture conditions, namely temperature and pH.