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Biodegradation of Tetrabromobisphenol-A in Mangrove Sediments

Author

Listed:
  • Chu-Wen Yang

    (Department of Microbiology, Soochow University, Taipei 11101, Taiwan)

  • Chien-Sen Liao

    (Department of Civil and Ecological Engineering, I Shou University, Kaohsiung 84001, Taiwan)

  • His Ku

    (Department of Microbiology, Soochow University, Taipei 11101, Taiwan)

  • Bea-Ven Chang

    (Department of Microbiology, Soochow University, Taipei 11101, Taiwan)

Abstract

Tetrabromobisphenol-A (TBBPA) is a pollutant which has a devastating impact on our environment and should be removed from earth. This research aims to evaluate the aerobic and anaerobic TBBPA degradation and bacterial community changes in mangrove sediments. TBBPA degradation in the sediments was enhanced with a microcapsuled enzyme extract of spent mushroom compost (MC) under aerobic conditions and with zerovalent iron under anaerobic conditions. The TBBPA aerobic or anaerobic degradation rates were enhanced for three time additions. Four bacterial genera ( Bacillus , Erythrobacter , Pseudomonas , Rhodococcus ) were associated with TBBPA aerobic degradation; and four other bacterial genera ( Desulfovibrio , Pseudomonas , Sphaerochaeta , Sphingomonas ) were associated with TBBPA anaerobic degradation in the sediment. Moreover, nine methanogens were identified under anaerobic conditions that might also be involved in TBBPA anaerobic degradation in the sediment. Our results demonstrate two feasible methods toward TBBPA bioremediation for mangrove sediments under aerobic and anaerobic conditions.

Suggested Citation

  • Chu-Wen Yang & Chien-Sen Liao & His Ku & Bea-Ven Chang, 2018. "Biodegradation of Tetrabromobisphenol-A in Mangrove Sediments," Sustainability, MDPI, vol. 11(1), pages 1-13, December.
    • Handle: RePEc:gam:jsusta:v:11:y:2018:i:1:p:151-:d:193742
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