Harnessing Bacillus cereus from Surabaya Seawater for Enhanced Diesel Fuel Bioremediation in Tropical Ocean
DOI:
https://doi.org/10.48048/tis.2024.7616Keywords:
Aquatic ecosystem, Bioremediation, Microbial ecology, Resources, Seawater pollutionAbstract
Hydrocarbon is one of the primary organic pollutants that contaminate seawater. Most hydrocarbons which pollute the sea waters of Indonesia are the constituents of diesel fuel. This condition emphasizes the need to develop a bioremediation strategy for diesel fuel pollution in the country. A successful plan for bioremediation is primarily determined by the choice of the bacterial agent, which can be isolated from the polluted seawater. Furthermore, the setup must consider the characteristics and capability of the bacterial isolates to degrade diesel fuel. This study thus aimed to analyze the potential of Bacillus cereus isolated from the polluted seawater of Surabaya, East Java, Indonesia, as a bioremediation agent. The results of bacterial density, pH measurements, TPH and GC-MS assays indicated that the locally isolated Bacillus cereus could significantly reduce the hydrocarbon concentrations. More importantly, after 14 days of bioremediation, the polluting diesel fuel was categorized as biodegradable based on the BOD:COD ratio. This study shows that Bacillus cereus has excellent potential for bioremediating hydrocarbon contaminants in tropical seawater.
HIGHLIGHTS
- Bacillus cereus from Surabaya's polluted waters fights diesel pollutants effectively.
- Bacillus cereus degrades hydrocarbons efficiently over two weeks, proving its bioremediation potential.
- Rise in BOD:COD ratio indicates Bacillus cereus' effective reduction of complex organics.
- GC-MS shows Bacillus cereus transforms hydrocarbons into shorter chains systematically.
- Bacillus cereus offers an eco-friendly solution for diesel pollution in tropical climates, urging further exploration.
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